0030549: Coding - split Image_AlienPixMap into several classes

Image_AlienPixMap has been split into:
- Image_AlienPixMapI defining a general interface for reading/writing images from/to external files.
- Image_FreeImage implementing interface using FreeImage library.
- Image_WinCodec implementing interface using WinCodec library.
- Image_AlienPixMap redirecting to either Image_FreeImage or Image_WinCodec.

New static method Image_AlienPixMap::SetDefaultFactory() allows configuring
an external image library implementing Image_AlienPixMapI interface
to be used by default OCCT image processing routines (texturing, image dumps, etc.).

CMakeLists.txt

@@ -63,7 +63,7 @@ set (BUILD_RESOURCES OFF CACHE BOOL "${BUILD_RESOURCES_DESCR}")
 
 # single-configuration generator
 set (SINGLE_GENERATOR OFF)
-if (CMAKE_BUILD_TYPE)
+if (DEFINED CMAKE_BUILD_TYPE)
   set (SINGLE_GENERATOR ON)
 endif()
 
@@ -899,11 +899,19 @@ if (BUILD_SAMPLES_MFC OR BUILD_SAMPLES_QT)
   OCCT_COPY_FILE_OR_DIR    ("adm/templates/sample.${SCRIPT_EXT}" "${CMAKE_BINARY_DIR}")
 endif()
 
-# env script for draw in building environment
-OCCT_CONFIGURE ("adm/templates/env.${SCRIPT_EXT}.in" "env.${SCRIPT_EXT}")
-
-# install env script
-install (FILES "${CMAKE_BINARY_DIR}/env.${SCRIPT_EXT}" DESTINATION "${INSTALL_DIR_SCRIPT}")
+if (WIN32)
+  # env script for draw in building environment
+  OCCT_CONFIGURE ("adm/templates/env.${SCRIPT_EXT}.in" "env.${SCRIPT_EXT}")
+  # install env script
+  install (FILES "${CMAKE_BINARY_DIR}/env.${SCRIPT_EXT}" DESTINATION "${INSTALL_DIR_SCRIPT}")
+else()
+  set (SUB_ENV_NAME "env.${SCRIPT_EXT}")
+  set (SUB_ENV_BUILD_NAME "env.install.${SCRIPT_EXT}")
+  # install env script
+  OCCT_CONFIGURE_AND_INSTALL ("adm/templates/env.install.${SCRIPT_EXT}.in" "${SUB_ENV_BUILD_NAME}" "${SUB_ENV_NAME}" "${INSTALL_DIR_SCRIPT}")
+  # env script for draw in building environment
+  OCCT_CONFIGURE ("adm/templates/env.build.${SCRIPT_EXT}.in" "env.${SCRIPT_EXT}")
+endif()
 
 # copy DrawAppliInit from OCCT source to build directory
 if (NOT EXISTS "${CMAKE_BINARY_DIR}/DrawAppliInit")

adm/UDLIST

@@ -105,6 +105,7 @@ n BRepIntCurveSurface
 n BRepLib
 n BRepMAT2d
 n BRepMesh
+n BRepMeshData
 n BRepOffset
 n BRepOffsetAPI
 n BRepPrim
@@ -141,6 +142,8 @@ n HLRTopoBRep
 n HLRAppli
 n Hatch
 n HatchGen
+n IMeshData
+n IMeshTools
 n IntCurve
 n IntCurveSurface
 n IntCurvesFace

adm/cmake/ffmpeg.cmake

@@ -37,6 +37,10 @@ foreach (LIBRARY_NAME ${CSF_FFmpeg})
     set (3RDPARTY_FFMPEG_LIBRARY_DIR_${LIBRARY_NAME}           "" CACHE PATH "The directory containing FFmpeg framework (${LIBRARY_NAME})")
   endif()
 
+  if (NOT DEFINED 3RDPARTY_FFMPEG_LIBRARY_DIR)
+    set (3RDPARTY_FFMPEG_LIBRARY_DIR                           "" CACHE PATH "The directory containing FFmpeg libraries")
+  endif()
+
   if (WIN32)
     if (NOT DEFINED 3RDPARTY_FFMPEG_DLL_${LIBRARY_NAME} OR NOT 3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME} OR NOT EXISTS "${3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME}}")
       set (3RDPARTY_FFMPEG_DLL_${LIBRARY_NAME}                 "" CACHE FILEPATH "FFmpeg shared libraries (${LIBRARY_NAME})" FORCE)
@@ -47,6 +51,9 @@ foreach (LIBRARY_NAME ${CSF_FFmpeg})
     if (NOT DEFINED 3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME})
       set (3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME}               "" CACHE PATH "The directory containing FFmpeg shared libraries (${LIBRARY_NAME})")
     endif()
+    if (NOT DEFINED 3RDPARTY_FFMPEG_DLL_DIR)
+      set (3RDPARTY_FFMPEG_DLL_DIR                               "" CACHE PATH "The directory containing FFmpeg shared libraries")
+    endif()
   endif()
 
   # check 3RDPARTY_${PRODUCT_NAME}_ paths for consistency with specified 3RDPARTY_${PRODUCT_NAME}_DIR
@@ -56,6 +63,7 @@ foreach (LIBRARY_NAME ${CSF_FFmpeg})
 
     if (3RDPARTY_FFMPEG_LIBRARY_${LIBRARY_NAME} AND EXISTS "${3RDPARTY_FFMPEG_LIBRARY_${LIBRARY_NAME}}")
       get_filename_component (3RDPARTY_FFMPEG_LIBRARY_DIR_${LIBRARY_NAME} "${3RDPARTY_FFMPEG_LIBRARY_${LIBRARY_NAME}}" PATH)
+      set (3RDPARTY_FFMPEG_LIBRARY_DIR "${3RDPARTY_FFMPEG_LIBRARY_DIR_${LIBRARY_NAME}}" CACHE PATH "The directory containing FFmpeg libraries" FORCE)
       set (3RDPARTY_FFMPEG_LIBRARY_DIR_${LIBRARY_NAME} "${3RDPARTY_FFMPEG_LIBRARY_DIR_${LIBRARY_NAME}}" CACHE PATH "The directory containing FFmpeg library (${LIBRARY_NAME})" FORCE)
     else()
       CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FFMPEG_DIR 3RDPARTY_FFMPEG_LIBRARY_DIR_${LIBRARY_NAME} PATH "The directory containing FFmpeg library (${LIBRARY_NAME})")
@@ -66,6 +74,7 @@ foreach (LIBRARY_NAME ${CSF_FFmpeg})
 
       if (3RDPARTY_FFMPEG_DLL_${LIBRARY_NAME} AND EXISTS "${3RDPARTY_FFMPEG_DLL_${LIBRARY_NAME}}")
         get_filename_component (3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME} "${3RDPARTY_FFMPEG_DLL_${LIBRARY_NAME}}" PATH)
+        set (3RDPARTY_FFMPEG_DLL_DIR "${3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME}}" CACHE PATH "The directory containing FFmpeg shared libraries" FORCE)
         set (3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME} "${3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME}}" CACHE PATH "The directory containing FFmpeg shared library (${LIBRARY_NAME})" FORCE)
       else()
         CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FFMPEG_DIR 3RDPARTY_FFMPEG_DLL_DIR_${LIBRARY_NAME} PATH "The directory containing FFmpeg shared library (${LIBRARY_NAME})")

adm/cmake/freetype.cmake

@@ -61,8 +61,8 @@ endif()
 
 # check 3RDPARTY_FREETYPE_ paths for consistency with specified 3RDPARTY_FREETYPE_DIR
 if (3RDPARTY_FREETYPE_DIR AND EXISTS "${3RDPARTY_FREETYPE_DIR}")
-  CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR 3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build FILEPATH "the path to ft2build.h")
-  CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR 3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 FILEPATH "the path to ftheader.h")
+  CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR 3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build FILEPATH "The directory containing ft2build.h header")
+  CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR 3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 FILEPATH "The directory containing ftheader.h header")
   if (BUILD_SHARED_LIBS)
     CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR 3RDPARTY_FREETYPE_LIBRARY FILEPATH "the path to freetype library")
 
@@ -119,8 +119,8 @@ if (IS_BUILTIN_SEARCH_REQUIRED)
 
   # check the found paths for consistency with specified 3RDPARTY_FREETYPE_DIR
   if (3RDPARTY_FREETYPE_DIR AND EXISTS "${3RDPARTY_FREETYPE_DIR}")
-    CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR FREETYPE_INCLUDE_DIR_ft2build FILEPATH "the path to ft2build.h")
-    CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR FREETYPE_INCLUDE_DIR_freetype2 FILEPATH "the path to ftheader.h")
+    CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR FREETYPE_INCLUDE_DIR_ft2build FILEPATH "The directory containing ft2build.h header")
+    CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR FREETYPE_INCLUDE_DIR_freetype2 FILEPATH "The directory containing ftheader.h header")
     if (BUILD_SHARED_LIBS)
       CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_FREETYPE_DIR FREETYPE_LIBRARY FILEPATH "freetype library")
     endif()
@@ -129,13 +129,13 @@ if (IS_BUILTIN_SEARCH_REQUIRED)
   # assign the found paths to corresponding 3RDPARTY_FREETYPE_ variables
   if (NOT 3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build OR NOT EXISTS "${3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build}")
     if (FREETYPE_INCLUDE_DIR_ft2build AND EXISTS "${FREETYPE_INCLUDE_DIR_ft2build}")
-      set (3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build  "${FREETYPE_INCLUDE_DIR_ft2build}" CACHE FILEPATH "the path to ft2build.h" FORCE)
+      set (3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build  "${FREETYPE_INCLUDE_DIR_ft2build}" CACHE FILEPATH "The directory containing ft2build.h header" FORCE)
     endif()
   endif()
 
   if (NOT 3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 OR NOT EXISTS "${3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2}")
     if (FREETYPE_INCLUDE_DIR_freetype2 AND EXISTS "${FREETYPE_INCLUDE_DIR_freetype2}")
-      set (3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2  "${FREETYPE_INCLUDE_DIR_freetype2}" CACHE FILEPATH "the path to ftheader.h" FORCE)
+      set (3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2  "${FREETYPE_INCLUDE_DIR_freetype2}" CACHE FILEPATH "The directory containing ftheader.h header" FORCE)
     endif()
   endif()
 
@@ -162,7 +162,7 @@ if (NOT 3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build OR NOT EXISTS "${3RDPARTY_FREETYP
   set (FT2BUILD_NAMES ft2build.h config/ft2build.h freetype/config/ft2build.h)
 
   # set 3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build as notfound, otherwise find_library can't assign a new value to 3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build
-  set (3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build "3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build-NOTFOUND" CACHE FILEPATH "the path to ft2build.h" FORCE)
+  set (3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build "3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build-NOTFOUND" CACHE FILEPATH "The directory containing ft2build.h header" FORCE)
 
   # cmake (version < 3.0) doesn't find ft2build.h of freetype (version is >= 2.5.1)
   # do search taking into account freetype structure of 2.5.1 version
@@ -185,7 +185,7 @@ if (3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build AND EXISTS "${3RDPARTY_FREETYPE_INCLU
 else()
   list (APPEND 3RDPARTY_NOT_INCLUDED 3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build)
 
-  set (3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build "" CACHE FILEPATH "the path to ft2build.h" FORCE)
+  set (3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build "" CACHE FILEPATH "The directory containing ft2build.h header" FORCE)
 endif()
 
 # ftheader.h
@@ -193,7 +193,7 @@ if (NOT 3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 OR NOT EXISTS "${3RDPARTY_FREETY
   set (FTHEADER_NAMES ftheader.h config/ftheader.h freetype/config/ftheader.h)
 
   # set 3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 as notfound, otherwise find_library can't assign a new value to 3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2
-  set (3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 "3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2-NOTFOUND" CACHE FILEPATH "the path to ftheader.h" FORCE)
+  set (3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 "3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2-NOTFOUND" CACHE FILEPATH "The directory containing ftheader.h header" FORCE)
 
   if (3RDPARTY_FREETYPE_DIR AND EXISTS "${3RDPARTY_FREETYPE_DIR}")
     find_path (3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 NAMES ${FTHEADER_NAMES}
@@ -214,7 +214,7 @@ if (3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 AND EXISTS "${3RDPARTY_FREETYPE_INCL
 else()
   list (APPEND 3RDPARTY_NOT_INCLUDED 3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2)
 
-  set (3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 "" CACHE FILEPATH "the path to ftheader.h" FORCE)
+  set (3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2 "" CACHE FILEPATH "The directory containing ftheader.h header" FORCE)
 endif()
 
 # freetype library

adm/cmake/occt_csf.cmake

@@ -62,8 +62,9 @@ if (WIN32)
   set (CSF_advapi32      "advapi32.lib")
   set (CSF_gdi32         "gdi32.lib")
   set (CSF_user32        "user32.lib")
+  set (CSF_shell32       "shell32.lib")
   set (CSF_wsock32       "wsock32.lib")
-  set (CSF_psapi         "Psapi.lib")
+  set (CSF_psapi         "psapi.lib")
   set (CSF_d3d9          "D3D9.lib")
   if ("${CMAKE_SYSTEM_NAME}" STREQUAL "WindowsStore" OR USE_GLES2)
     set (CSF_OpenGlLibs  "libEGL libGLESv2")

adm/genproj.tcl

@@ -1263,12 +1263,16 @@ proc wokUtils:FILES:FileToString { fin } {
 
 # List extensions of compilable files in OCCT
 proc osutils:compilable {thePlatform} {
-  if { "$thePlatform" == "mac" || "$thePlatform" == "ios" } {
-    return [list .c .cxx .cpp .mm]
-  }
+  if { "$thePlatform" == "mac" || "$thePlatform" == "ios" } { return [list .c .cxx .cpp .mm] }
   return [list .c .cxx .cpp]
 }
 
+# List extensions of header file in OCCT
+proc osutils:fileExtensionsHeaders {thePlatform} {
+  if { "$thePlatform" == "mac" || "$thePlatform" == "ios" } { return [list .h .hxx .hpp .lxx .pxx .gxx ] }
+  return [list .h .hxx .hpp .lxx .pxx .gxx .mm ]
+}
+
 proc osutils:commonUsedTK { theToolKit } {
   set anUsedToolKits [list]
   set aDepToolkits [LibToLink $theToolKit]
@@ -1341,6 +1345,7 @@ proc osutils:csfList { theOS theCsfLibsMap theCsfFrmsMap } {
     set aLibsMap(CSF_advapi32)     "advapi32"
     set aLibsMap(CSF_gdi32)        "gdi32"
     set aLibsMap(CSF_user32)       "user32 comdlg32"
+    set aLibsMap(CSF_shell32)      "shell32"
     set aLibsMap(CSF_opengl32)     "opengl32"
     set aLibsMap(CSF_wsock32)      "wsock32"
     set aLibsMap(CSF_netapi32)     "netapi32"
@@ -1465,8 +1470,7 @@ proc osutils:tk:units { tkloc } {
 }
 
 proc osutils:justwnt { listloc } {
-  # ImageUtility is required for support for old (<6.5.4) versions of OCCT
-  set goaway [list Xdps Xw  ImageUtility WOKUnix]
+  set goaway [list Xw]
   return [osutils:juststation $goaway $listloc]
 }
 
@@ -1556,31 +1560,28 @@ proc wokUtils:FILES:wtail { f n } {
 }
 
 # Generate entry for one source file in Visual Studio 10 project file
-proc osutils:vcxproj:file { file params } {
-  append text "    <ClCompile Include=\"..\\..\\..\\[wokUtils:EASY:bs1 [wokUtils:FILES:wtail $file 3]]\">\n"
-  if { $params != "" } {
-    append text "      <AdditionalOptions Condition=\"\'\$(Configuration)|\$(Platform)\'==\'Debug|Win32\'\">[string trim ${params}]  %(AdditionalOptions)</AdditionalOptions>\n"
-  }
-
-  if { $params != "" } {
-    append text "      <AdditionalOptions Condition=\"\'\$(Configuration)|\$(Platform)\'==\'Release|Win32\'\">[string trim ${params}]  %(AdditionalOptions)</AdditionalOptions>\n"
-  }
-
-  if { $params != "" } {
-    append text "      <AdditionalOptions Condition=\"\'\$(Configuration)|\$(Platform)\'==\'Debug|x64\'\">[string trim ${params}]  %(AdditionalOptions)</AdditionalOptions>\n"
-  }
-
-  if { $params != "" } {
-    append text "      <AdditionalOptions Condition=\"\'\$(Configuration)|\$(Platform)\'==\'Release|x64\'\">[string trim ${params}]  %(AdditionalOptions)</AdditionalOptions>\n"
+proc osutils:vcxproj:cxxfile { theFile theParams } {
+  if { $theParams == "" } {
+    return "    <ClCompile Include=\"..\\..\\..\\[wokUtils:EASY:bs1 [wokUtils:FILES:wtail $theFile 3]]\" />\n"
   }
 
+  set aParams [string trim ${theParams}]
+  append text "    <ClCompile Include=\"..\\..\\..\\[wokUtils:EASY:bs1 [wokUtils:FILES:wtail $theFile 3]]\">\n"
+  append text "      <AdditionalOptions Condition=\"\'\$(Configuration)|\$(Platform)\'==\'Debug|Win32\'\">${aParams} %(AdditionalOptions)</AdditionalOptions>\n"
+  append text "      <AdditionalOptions Condition=\"\'\$(Configuration)|\$(Platform)\'==\'Release|Win32\'\">${aParams} %(AdditionalOptions)</AdditionalOptions>\n"
+  append text "      <AdditionalOptions Condition=\"\'\$(Configuration)|\$(Platform)\'==\'Debug|x64\'\">${aParams} %(AdditionalOptions)</AdditionalOptions>\n"
+  append text "      <AdditionalOptions Condition=\"\'\$(Configuration)|\$(Platform)\'==\'Release|x64\'\">${aParams} %(AdditionalOptions)</AdditionalOptions>\n"
   append text "    </ClCompile>\n"
   return $text
 }
 
+# Generate entry for one header file in Visual Studio 10 project file
+proc osutils:vcxproj:hxxfile { theFile } { return "    <ClInclude Include=\"..\\..\\..\\[wokUtils:EASY:bs1 [wokUtils:FILES:wtail $theFile 3]]\" />\n" }
+
 # Generate Visual Studio 2010 project filters file
-proc osutils:vcxproj:filters { dir proj theFilesMap } {
-  upvar $theFilesMap aFilesMap
+proc osutils:vcxproj:filters { dir proj theCxxFilesMap theHxxFilesMap } {
+  upvar $theCxxFilesMap aCxxFilesMap
+  upvar $theHxxFilesMap aHxxFilesMap
 
   # header
   append text "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
@@ -1591,60 +1592,25 @@ proc osutils:vcxproj:filters { dir proj theFilesMap } {
   append text "    <Filter Include=\"Source files\">\n"
   append text "      <UniqueIdentifier>[OS:genGUID]</UniqueIdentifier>\n"
   append text "    </Filter>\n"
-  foreach unit $aFilesMap(units) {
-    append text "    <Filter Include=\"Source files\\${unit}\">\n"
-    append text "      <UniqueIdentifier>[OS:genGUID]</UniqueIdentifier>\n"
-    append text "    </Filter>\n"
-  }
-  append text "  </ItemGroup>\n"
-
-  # list of files
-  append text "  <ItemGroup>\n"
-  foreach unit $aFilesMap(units) {
-    foreach file $aFilesMap($unit) {
-      append text "    <ClCompile Include=\"..\\..\\..\\[wokUtils:EASY:bs1 [wokUtils:FILES:wtail $file 3]]\">\n"
-      append text "      <Filter>Source files\\${unit}</Filter>\n"
-      append text "    </ClCompile>\n"
-    }
-  }
-  append text "  </ItemGroup>\n"
-
-  # end
-  append text "</Project>"
-
-  # write file
-  set fp [open [set fvcproj [file join $dir ${proj}.vcxproj.filters]] w]
-  fconfigure $fp -translation crlf
-  puts $fp $text
-  close $fp
-
-  return ${proj}.vcxproj.filters
-}
-
-# Generate Visual Studio 2011 project filters file
-proc osutils:vcx1proj:filters { dir proj theFilesMap } {
-  upvar $theFilesMap aFilesMap
-
-  # header
-  append text "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
-  append text "<Project ToolsVersion=\"4.0\" xmlns=\"http://schemas.microsoft.com/developer/msbuild/2003\">\n"
-
-  # list of "filters" (units)
-  append text "  <ItemGroup>\n"
-  append text "    <Filter Include=\"Source files\">\n"
+  append text "    <Filter Include=\"Header files\">\n"
   append text "      <UniqueIdentifier>[OS:genGUID]</UniqueIdentifier>\n"
   append text "    </Filter>\n"
-  foreach unit $aFilesMap(units) {
+  foreach unit $aCxxFilesMap(units) {
     append text "    <Filter Include=\"Source files\\${unit}\">\n"
     append text "      <UniqueIdentifier>[OS:genGUID]</UniqueIdentifier>\n"
     append text "    </Filter>\n"
   }
+  foreach unit $aHxxFilesMap(units) {
+    append text "    <Filter Include=\"Header files\\${unit}\">\n"
+    append text "      <UniqueIdentifier>[OS:genGUID]</UniqueIdentifier>\n"
+    append text "    </Filter>\n"
+  }
   append text "  </ItemGroup>\n"
 
-  # list of files
+  # list of cxx files
   append text "  <ItemGroup>\n"
-  foreach unit $aFilesMap(units) {
-    foreach file $aFilesMap($unit) {
+  foreach unit $aCxxFilesMap(units) {
+    foreach file $aCxxFilesMap($unit) {
       append text "    <ClCompile Include=\"..\\..\\..\\[wokUtils:EASY:bs1 [wokUtils:FILES:wtail $file 3]]\">\n"
       append text "      <Filter>Source files\\${unit}</Filter>\n"
       append text "    </ClCompile>\n"
@@ -1652,8 +1618,19 @@ proc osutils:vcx1proj:filters { dir proj theFilesMap } {
   }
   append text "  </ItemGroup>\n"
 
+  # list of hxx files
   append text "  <ItemGroup>\n"
-  append text "    <ResourceCompile Include=\"${proj}.rc\" />"
+  foreach unit $aHxxFilesMap(units) {
+    foreach file $aHxxFilesMap($unit) {
+      append text "    <ClInclude Include=\"..\\..\\..\\[wokUtils:EASY:bs1 [wokUtils:FILES:wtail $file 3]]\">\n"
+      append text "      <Filter>Header files\\${unit}</Filter>\n"
+      append text "    </ClInclude>\n"
+    }
+  }
+  append text "  </ItemGroup>\n"
+
+  append text "  <ItemGroup>\n"
+  append text "    <ResourceCompile Include=\"${proj}.rc\" />\n"
   append text "  </ItemGroup>\n"
 
   # end
@@ -1726,9 +1703,9 @@ proc osutils:vcproj { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
   set anIncPaths "..\\..\\..\\inc"
 #  set aTKDefines ""
   set aFilesSection ""
-  set aVcFilesX(units) ""
+  set aVcFilesCxx(units) ""
+  set aVcFilesHxx(units) ""
   set listloc [osutils:tk:units $theToolKit]
-  set resultloc [osutils:justwnt $listloc]
   if [array exists written] { unset written }
   #puts "\t1 [wokparam -v %CMPLRS_CXX_Options [w_info -f]] father"
   #puts "\t2 [wokparam -v %CMPLRS_CXX_Options] branch"
@@ -1737,9 +1714,10 @@ proc osutils:vcproj { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
   set fxloparamfcxx [lindex [osutils:intersect3 [_get_options wnt cmplrs_cxx f] [_get_options wnt cmplrs_cxx b]] 2]
   set fxloparamfc   [lindex [osutils:intersect3 [_get_options wnt cmplrs_c f] [_get_options wnt cmplrs_c b]] 2]
   set fxloparam ""
-  foreach fxlo $resultloc {
+  foreach fxlo $listloc {
     set xlo $fxlo
-    set aSrcFiles [osutils:tk:files $xlo wnt]
+    set aSrcFiles [osutils:tk:cxxfiles $xlo wnt]
+	set aHxxFiles [osutils:tk:hxxfiles $xlo wnt]
 	set fxlo_cmplrs_options_cxx [_get_options wnt cmplrs_cxx $fxlo]
     if {$fxlo_cmplrs_options_cxx == ""} {
       set fxlo_cmplrs_options_cxx [_get_options wnt cmplrs_cxx b]
@@ -1768,12 +1746,22 @@ proc osutils:vcproj { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
       foreach aSrcFile [lsort $aSrcFiles] {
         if { ![info exists written([file tail $aSrcFile])] } {
           set written([file tail $aSrcFile]) 1
-          append aFilesSection [osutils:vcxproj:file $aSrcFile $needparam]
+          append aFilesSection [osutils:vcxproj:cxxfile $aSrcFile $needparam]
         } else {
           puts "Warning : in vcproj more than one occurences for [file tail $aSrcFile]"
         }
-        if { ! [info exists aVcFilesX($xlo)] } { lappend aVcFilesX(units) $xlo }
-        lappend aVcFilesX($xlo) $aSrcFile
+        if { ! [info exists aVcFilesCxx($xlo)] } { lappend aVcFilesCxx(units) $xlo }
+        lappend aVcFilesCxx($xlo) $aSrcFile
+      }
+      foreach aHxxFile [lsort $aHxxFiles] {
+        if { ![info exists written([file tail $aHxxFile])] } {
+          set written([file tail $aHxxFile]) 1
+          append aFilesSection [osutils:vcxproj:hxxfile $aHxxFile]
+        } else {
+          puts "Warning : in vcproj more than one occurences for [file tail $aHxxFile]"
+        }
+        if { ! [info exists aVcFilesHxx($xlo)] } { lappend aVcFilesHxx(units) $xlo }
+        lappend aVcFilesHxx($xlo) $aHxxFile
       }
     } else {
       append aFilesSection "\t\t\t<Filter\n"
@@ -1789,15 +1777,9 @@ proc osutils:vcproj { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
       }
       append aFilesSection "\t\t\t</Filter>\n"
     }
-
-    # macros
-#    append aTKDefines ";__${xlo}_DLL"
-    # common includes
-#    append anIncPaths ";..\\..\\..\\src\\${xlo}"
   }
 
   regsub -all -- {__TKINC__}  $theProjTmpl $anIncPaths theProjTmpl
-#  regsub -all -- {__TKDEFS__} $theProjTmpl $aTKDefines theProjTmpl
   regsub -all -- {__FILES__}  $theProjTmpl $aFilesSection theProjTmpl
 
   # write file
@@ -1807,12 +1789,8 @@ proc osutils:vcproj { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
   close $aFile
 
   # write filters file for vc10+
-  if { "$theVcVer" == "vc7" || "$theVcVer" == "vc8" || "$theVcVer" == "vc9" } {
-    # nothing
-  } elseif { "$theVcVer" == "vc10" } {
-    lappend aVcFiles [osutils:vcxproj:filters $theOutDir $theToolKit aVcFilesX]
-  } else {
-    lappend aVcFiles [osutils:vcx1proj:filters $theOutDir $theToolKit aVcFilesX]
+  if { "$theVcVer" != "vc7" && "$theVcVer" != "vc8" && "$theVcVer" != "vc9" } {
+    lappend aVcFiles [osutils:vcxproj:filters $theOutDir $theToolKit aVcFilesCxx aVcFilesHxx]
   }
 
   # write resource file
@@ -1844,16 +1822,14 @@ proc osutils:tk:loadunit { loc map } {
   return
 }
 
-# Returns the list of all compilable files name in a toolkit, or devunit of any type
-# Tfiles lists for each unit the type of file that can be compiled.
-proc osutils:tk:files { tkloc thePlatform } {
+# Returns the list of all files name in a toolkit within specified list of file extensions.
+proc osutils:tk:files { tkloc theExtensions } {
   set Tfiles(source,nocdlpack)     {source pubinclude}
   set Tfiles(source,toolkit)       {}
   set Tfiles(source,executable)    {source pubinclude}
   set listloc [concat [osutils:tk:units $tkloc] $tkloc]
   #puts " listloc = $listloc"
 
-  set l_comp [osutils:compilable $thePlatform]
   set resultloc $listloc
   set lret {}
   foreach loc $resultloc {
@@ -1878,7 +1854,7 @@ proc osutils:tk:files { tkloc thePlatform } {
       #puts $type
       foreach f $map($type) {
         #puts $f
-        if { [lsearch $l_comp [file extension $f]] != -1 } {
+        if { [lsearch $theExtensions [file extension $f]] != -1 } {
           lappend lret $f
         }
       }
@@ -1887,10 +1863,16 @@ proc osutils:tk:files { tkloc thePlatform } {
   return $lret
 }
 
+# Returns the list of all compilable files name in a toolkit.
+proc osutils:tk:cxxfiles { tkloc thePlatform } { return [osutils:tk:files $tkloc [osutils:compilable $thePlatform]] }
+
+# Returns the list of all header files name in a toolkit.
+proc osutils:tk:hxxfiles { tkloc thePlatform } { return [osutils:tk:files $tkloc [osutils:fileExtensionsHeaders $thePlatform]] }
+
 # Generate Visual Studio project file for executable
 proc osutils:vcprojx { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
   set aVcFiles {}
-  foreach f [osutils:tk:files $theToolKit wnt] {
+  foreach f [osutils:tk:cxxfiles $theToolKit wnt] {
     set aProjTmpl [osutils:vcproj:readtemplate $theVcVer $isUWP 1]
 
     set aProjName [file rootname [file tail $f]]
@@ -1925,15 +1907,16 @@ proc osutils:vcprojx { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
     regsub -all -- {__TKDEP__} $aProjTmpl $aUsedLibs aProjTmpl
 
     set aFilesSection ""
-    set aVcFilesX(units) ""
+    set aVcFilesCxx(units) ""
+	set aVcFilesHxx(units) ""
 
     if { ![info exists written([file tail $f])] } {
       set written([file tail $f]) 1
 
       if { "$theVcVer" != "vc7" && "$theVcVer" != "vc8" && "$theVcVer" != "vc9" } {
-        append aFilesSection [osutils:vcxproj:file $f ""]
-        if { ! [info exists aVcFilesX($theToolKit)] } { lappend aVcFilesX(units) $theToolKit }
-        lappend aVcFilesX($theToolKit) $f
+        append aFilesSection [osutils:vcxproj:cxxfile $f ""]
+        if { ! [info exists aVcFilesCxx($theToolKit)] } { lappend aVcFilesCxx(units) $theToolKit }
+        lappend aVcFilesCxx($theToolKit) $f
       } else {
         append aFilesSection "\t\t\t<Filter\n"
         append aFilesSection "\t\t\t\tName=\"$theToolKit\"\n"
@@ -1945,10 +1928,8 @@ proc osutils:vcprojx { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
       puts "Warning : in vcproj there are than one occurences for [file tail $f]"
     }
     #puts "$aProjTmpl $aFilesSection"
-#    set aTKDefines ";__${theToolKit}_DLL"
     set anIncPaths "..\\..\\..\\inc"
     regsub -all -- {__TKINC__}  $aProjTmpl $anIncPaths    aProjTmpl
-#    regsub -all -- {__TKDEFS__} $aProjTmpl $aTKDefines    aProjTmpl
     regsub -all -- {__FILES__}  $aProjTmpl $aFilesSection aProjTmpl
     regsub -all -- {__CONF__}   $aProjTmpl Application    aProjTmpl
 
@@ -1964,9 +1945,12 @@ proc osutils:vcprojx { theVcVer isUWP theOutDir theToolKit theGuidsMap } {
 
     # write filters file for vc10
     if { "$theVcVer" != "vc7" && "$theVcVer" != "vc8" && "$theVcVer" != "vc9" } {
-      lappend aVcFiles [osutils:vcxproj:filters $theOutDir $aProjName aVcFilesX]
+      lappend aVcFiles [osutils:vcxproj:filters $theOutDir $aProjName aVcFilesCxx aVcFilesHxx]
     }
 
+    # write resource file
+    lappend aVcFiles [osutils:readtemplate:rc $theOutDir $aProjName]
+
     set aCommonSettingsFileTmpl ""
     if { "$theVcVer" == "vc7" || "$theVcVer" == "vc8" } {
       # nothing
@@ -2149,7 +2133,7 @@ proc osutils:cbptk { theCmpl theOutDir theToolKit thePlatform} {
   if [array exists written] { unset written }
   foreach fxlo $resultloc {
     set xlo       $fxlo
-    set aSrcFiles [osutils:tk:files $xlo $thePlatform]
+    set aSrcFiles [osutils:tk:cxxfiles $xlo $thePlatform]
     foreach aSrcFile [lsort $aSrcFiles] {
       if { ![info exists written([file tail $aSrcFile])] } {
         set written([file tail $aSrcFile]) 1
@@ -2243,7 +2227,7 @@ proc osutils:cbpx { theCmpl theOutDir theToolKit thePlatform } {
   set aWokArch    "$::env(ARCH)"
 
   set aCbpFiles {}
-  foreach aSrcFile [osutils:tk:files $theToolKit $thePlatform] {
+  foreach aSrcFile [osutils:tk:cxxfiles $theToolKit $thePlatform] {
     # collect list of referred libraries to link with
     set aUsedLibs     [list]
     set aFrameworks   [list]
@@ -2682,7 +2666,7 @@ proc osutils:xcdtk:deps {theToolKit theTargetType theGuidsMap theFileRefSection
   set aDepToolkits      [lappend [wokUtils:LIST:Purge [osutils:tk:close $theToolKit]] $theToolKit]
 
   if { "$theTargetType" == "executable" } {
-    set aFile [osutils:tk:files $theToolKit mac]
+    set aFile [osutils:tk:cxxfiles $theToolKit mac]
     set aProjName [file rootname [file tail $aFile]]
     set aDepToolkits [LibToLinkX $theToolKit $aProjName]
   }
@@ -2748,7 +2732,7 @@ proc osutils:xcdtk:sources {theToolKit theTargetType theSrcFileRefSection theGro
       set aGuidsMap($aPackage) [OS:genGUID "xcd"]
     }
 
-    set aSrcFiles [osutils:tk:files $xlo mac]
+    set aSrcFiles [osutils:tk:cxxfiles $xlo mac]
     foreach aSrcFile [lsort $aSrcFiles] {
       set aFileExt "sourcecode.cpp.cpp"
 

adm/templates/env.build.sh.in

@@ -0,0 +1,137 @@
+#!/bin/bash
+
+aScriptPath=${BASH_SOURCE%/*}; if [ -d "${aScriptPath}" ]; then cd "$aScriptPath"; fi; aScriptPath="$PWD";
+
+# ----- For compatability with external application using CASROOT -----
+if [ "${CASROOT}" == "" ]; then
+  export CASROOT="${aScriptPath}"
+fi
+
+# ----- Define path to 3rdparty products -----
+export THIRDPARTY_DIR="@3RDPARTY_DIR@"
+
+# ----- Read script arguments -----
+shopt -s nocasematch
+export CASDEB="";
+if [[ "$1" == "debug" ]]; then export CASDEB="d"; fi
+if [[ "$1" == "d" ]]; then export CASDEB="d"; fi
+if [[ "$1" == "relwithdeb" ]]; then export CASDEB="i"; fi
+if [[ "$1" == "i" ]]; then export CASDEB="i"; fi
+shopt -u nocasematch
+
+# ----- Set path to 3rd party and OCCT libraries -----
+anArch=`uname -m`
+if [ "$anArch" != "x86_64" ] && [ "$anArch" != "ia64" ]; then
+  export ARCH="32";
+else
+  export ARCH="64";
+fi
+
+aSystem=`uname -s`
+if [ "$aSystem" == "Darwin" ]; then
+  export WOKSTATION="mac";
+  export ARCH="64";
+else
+  export WOKSTATION="lin";
+fi
+
+# ----- Set local settings -----
+if [ -e "${CASROOT}/custom.sh" ]; then
+  source "${CASROOT}/custom.sh" "${CASDEB}" "${ARCH}"
+fi
+
+THRDPARTY_PATH=""
+if [ "$TCL_DIR" != "" ]; then
+  THRDPARTY_PATH="${TCL_DIR}:${THRDPARTY_PATH}"
+fi
+
+if [ "$TK_DIR" != "" ]; then
+  THRDPARTY_PATH="${TK_DIR}:${THRDPARTY_PATH}"
+fi
+
+if [ "$FREETYPE_DIR" != "" ]; then
+  THRDPARTY_PATH="${FREETYPE_DIR}:${THRDPARTY_PATH}"
+fi
+
+if [ "$FREEIMAGE_DIR" != "" ]; then
+  THRDPARTY_PATH="${FREEIMAGE_DIR}:${THRDPARTY_PATH}"
+fi
+
+if [ "$TBB_DIR" != "" ]; then
+  THRDPARTY_PATH="${TBB_DIR}:${THRDPARTY_PATH}"
+fi
+
+if [ "$VTK_DIR" != "" ]; then
+  THRDPARTY_PATH="${VTK_DIR}:${THRDPARTY_PATH}"
+fi
+
+if [ "$FFMPEG_DIR" != "" ]; then
+  THRDPARTY_PATH="${FFMPEG_DIR}:${THRDPARTY_PATH}"
+fi
+
+if [ "$QTDIR" != "" ]; then
+  THRDPARTY_PATH="${QTDIR}/lib:${THRDPARTY_PATH}"
+fi
+
+if [ "$TK_DIR" != "$TCL_DIR" ]; then
+  if [ "$TK_DIR" != "" ]; then
+    export TK_LIBRARY="${TK_DIR}/../lib/tk${TK_VERSION_WITH_DOT}"
+  fi
+  if [ "$TCL_DIR" != "" ]; then
+    export TCL_LIBRARY="${TCL_DIR}/../lib/tcl${TCL_VERSION_WITH_DOT}"
+  fi
+fi
+
+if [ "$LD_LIBRARY_PATH" != "" ]; then
+  export LD_LIBRARY_PATH="${THRDPARTY_PATH}:${LD_LIBRARY_PATH}"
+else
+  export LD_LIBRARY_PATH="${THRDPARTY_PATH}"
+fi
+
+if [ "$CSF_OCCTBinPath" != "" ]; then
+  export PATH="${CSF_OCCTBinPath}:${PATH}"
+fi
+
+if [ "$CSF_OCCTLibPath" != "" ]; then
+  if [ "$LD_LIBRARY_PATH" != "" ]; then
+    export LD_LIBRARY_PATH="${CSF_OCCTLibPath}:${LD_LIBRARY_PATH}"
+  else
+    export LD_LIBRARY_PATH="${CSF_OCCTLibPath}"
+  fi
+fi
+
+if [ "$WOKSTATION" == "mac" ]; then
+  if [ "$DYLD_LIBRARY_PATH" != "" ]; then
+    export DYLD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${DYLD_LIBRARY_PATH}"
+  else
+    export DYLD_LIBRARY_PATH="${LD_LIBRARY_PATH}"
+  fi
+fi
+
+# ----- Set envoronment variables used by OCCT -----
+export CSF_LANGUAGE=us
+export MMGT_CLEAR=1
+export CSF_SHMessage="${CSF_OCCTResourcePath}/SHMessage"
+export CSF_MDTVTexturesDirectory="${CSF_OCCTResourcePath}/Textures"
+export CSF_ShadersDirectory="${CSF_OCCTResourcePath}/Shaders"
+export CSF_XSMessage="${CSF_OCCTResourcePath}/XSMessage"
+export CSF_TObjMessage="${CSF_OCCTResourcePath}/TObj"
+export CSF_StandardDefaults="${CSF_OCCTResourcePath}/StdResource"
+export CSF_PluginDefaults="${CSF_OCCTResourcePath}/StdResource"
+export CSF_XCAFDefaults="${CSF_OCCTResourcePath}/StdResource"
+export CSF_TObjDefaults="${CSF_OCCTResourcePath}/StdResource"
+export CSF_StandardLiteDefaults="${CSF_OCCTResourcePath}/StdResource"
+export CSF_IGESDefaults="${CSF_OCCTResourcePath}/XSTEPResource"
+export CSF_STEPDefaults="${CSF_OCCTResourcePath}/XSTEPResource"
+export CSF_XmlOcafResource="${CSF_OCCTResourcePath}/XmlOcafResource"
+export CSF_MIGRATION_TYPES="${CSF_OCCTResourcePath}/StdResource/MigrationSheet.txt"
+
+# ----- Draw Harness special stuff -----
+if [ -e "${CSF_OCCTResourcePath}/DrawResources" ]; then
+  export DRAWHOME="${CSF_OCCTResourcePath}/DrawResources"
+  export CSF_DrawPluginDefaults="${CSF_OCCTResourcePath}/DrawResources"
+
+  if [ -e "${CSF_OCCTResourcePath}/DrawResources/DrawDefault" ]; then
+    export DRAWDEFAULT="${CSF_OCCTResourcePath}/DrawResources/DrawDefault"
+  fi
+fi

adm/templates/template.vc10

@@ -110,7 +110,7 @@
       <PreprocessorDefinitions>NDEBUG;No_Exception;$(CSF_DEFINES);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>__TKDEP__;ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>__TKDEP__</AdditionalDependencies>
       <OutputFile>.\..\..\..\win32\__VCVER__\bin\__TKNAM__.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\win32\__VCVER__\lib;$(CSF_OPT_LIB32);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -159,7 +159,7 @@
       <PreprocessorDefinitions>_DEBUG;$(CSF_DEFINES);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>__TKDEP__;ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>__TKDEP__</AdditionalDependencies>
       <OutputFile>.\..\..\..\win32\__VCVER__\bind\__TKNAM__.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\win32\__VCVER__\libd;$(CSF_OPT_LIB32D);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -206,7 +206,7 @@
       <PreprocessorDefinitions>NDEBUG;No_Exception;$(CSF_DEFINES);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>__TKDEP__;ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>__TKDEP__</AdditionalDependencies>
       <OutputFile>.\..\..\..\win64\__VCVER__\bin\__TKNAM__.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\win64\__VCVER__\lib;$(CSF_OPT_LIB64);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -255,7 +255,7 @@
       <PreprocessorDefinitions>_DEBUG;$(CSF_DEFINES);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>__TKDEP__;ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>__TKDEP__</AdditionalDependencies>
       <OutputFile>.\..\..\..\win64\__VCVER__\bind\__TKNAM__.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\win64\__VCVER__\libd;$(CSF_OPT_LIB64D);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>

adm/templates/template.vc10x

@@ -103,7 +103,7 @@
       <PreprocessorDefinitions>NDEBUG;No_Exception;$(CSF_DEFINES);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>__TKDEP__;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>__TKDEP__</AdditionalDependencies>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\win32\__VCVER__\lib;$(CSF_OPT_LIB32);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>__VCReleasePDB__</GenerateDebugInformation>
@@ -149,7 +149,7 @@
       <PreprocessorDefinitions>_DEBUG;$(CSF_DEFINES);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>__TKDEP__;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>__TKDEP__</AdditionalDependencies>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\win32\__VCVER__\libd;$(CSF_OPT_LIB32D);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -193,7 +193,7 @@
       <PreprocessorDefinitions>NDEBUG;No_Exception;$(CSF_DEFINES);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>__TKDEP__;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>__TKDEP__</AdditionalDependencies>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\win64\__VCVER__\lib;$(CSF_OPT_LIB64);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>__VCReleasePDB__</GenerateDebugInformation>
@@ -238,7 +238,7 @@
       <PreprocessorDefinitions>_DEBUG;$(CSF_DEFINES);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>__TKDEP__;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>__TKDEP__</AdditionalDependencies>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\win64\__VCVER__\libd;$(CSF_OPT_LIB64D);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -248,7 +248,11 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-__FILES__  </ItemGroup>
+__FILES__
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="__XQTNAM__.rc" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

dox/CMakeLists.txt

@@ -89,6 +89,14 @@ file (APPEND ${OCCT_CONFIG_FOR_DOXYGEN} "\nEXTERNAL_SEARCH        = NO")
 # Formula options
 file (APPEND ${OCCT_CONFIG_FOR_DOXYGEN} "\nMATHJAX_RELPATH        = ${3RDPARTY_MATHJAX_RELATIVE_PATH}")
 
+# If MSVC is used as build system, change warning format to the one recognized by MSVC
+if (MSVC)
+  file (APPEND ${OCCT_CONFIG_FOR_DOXYGEN} "\nWARN_FORMAT            = \"$file($line): $text\"")
+endif()
+
+# Avoid Doxygen parsing messages in the build log
+file (APPEND ${OCCT_CONFIG_FOR_DOXYGEN} "\nQUIET                  = YES")
+
 # Copy index file to provide fast access to HTML documentation
 file(COPY "${OCCT_OVERVIEW_RESOURCE_DIR}/index.html" DESTINATION "${OCCT_GENERATED_OVERVIEW_DIR}")
 

dox/dev_guides/upgrade/upgrade.md

@@ -1091,7 +1091,7 @@ The following environment variables have become redundant:
 
 * *CSF_UnitsLexicon* and *CSF_UnitsDefinition* are no more used.  Units definition (*UnitsAPI/Lexi_Expr.dat* and *UnitsAPI/Units.dat*) is now embedded into source code.
 * *CSF_XSMessage* and *CSF_XHMessage* are now optional.
-  English messages (XSMessage/*XSTEP.us* and SHMessage/*SHAPE.us*) are now embedded into source code
+  English messages (XSMessage/\*XSTEP.us* and SHMessage/\*SHAPE.us*) are now embedded into source code
   and automatically loaded when environment variables are not set.
 * *CSF_ShadersDirectory* is not required any more, though it still can be used to load custom shaders.
   Mandatory GLSL resources are now embedded into source code.
@@ -1596,6 +1596,11 @@ Since OCCT 7.4.0 exception is thrown on the attempt of taking points in case of
 * The method *ImagesResult* of the class *BOPAlgo_BuilderShape* has been removed as unused. The functionality of this method can be completely replaced by the history methods *Modified* and *IsDeleted*.
 * The method *TrackHistory* of the classes *BOPAlgo_RemoveFeatures* and *BRepAlgoAPI_Defeaturing* has been renamed to *SetToFillHistory*.
 * The method *GetHistory* of the class *BRepAlgoAPI_Defeaturing* has been renamed to *History*.
+* The classes *BRepAlgo_BooleanOperations* and *BRepAlgo_DSAccess* have been removed as obsolete. Please use the BRepAlgoAPI_* classes to perform Boolean operations.
+* *BRepAlgo_DataMapOfShapeBoolean* has been removed as unused.
+* *BRepAlgo_DataMapOfShapeInterference* has been removed as unused.
+* *BRepAlgo_EdgeConnector* has been removed as unused.
+* *BRepAlgo_SequenceOfSequenceOfInteger* has been removed as unused.
 
 @subsection upgrade_740_localcontext Local Context removal
 
@@ -1614,5 +1619,69 @@ Now methods *GeomConvert::ConcatG1*, *GeomConvert::ConcatC1*, *Geom2dConvert::Co
 
 @subsection upgrade_740_selection Changes in selection API and picked point calculation algorithm.
 
-*SelectBasics_PickResult* structure has been extended, so that it now defines 3D point on detected entity in addition to Depth value along picking ray.
+*SelectBasics_PickResult* structure has been extended, so that it now defines a 3D point on the detected entity in addition to Depth value along picking ray.
 *SelectMgr_SelectingVolumeManager::Overlap()* methods have been corrected to fill in *SelectBasics_PickResult* structure (depth and 3D point) instead of only depth value, so that custom *Select3D_SensitiveEntity* implementation should be updated accordingly (including *Select3D_SensitiveSet* subclasses).
+
+@subsection upgrade_740_ocafpersistence Document format version management improvement.
+
+Previously Document format version restored by *DocumentRetrievalDriver* was propagated using static methods of the corresponding units (like *MDataStd* or *MNaming*) to static variables of these units and after that became accessible to Drivers of these units.
+Now Document format version is available to drivers via *RelocationTable*. The Relocation table now keeps *HeaderData* of the document and a format version can be extracted in the following way: *theRelocTable.GetHeaderData()->StorageVersion()*.
+Obsolete methods: *static void SetDocumentVersion (const Standard_Integer DocVersion)* and *static Standard_Integer DocumentVersion()* have been removed from *BinMDataStd*, *BinMNaming*, *XmlMDataStd* and *XmlMNaming*.
+
+@subsection upgrade_740_changed_api_of_brepmesh BRepMesh - revision of the data model
+
+The entire structure of *BRepMesh* component has been revised and separated into several logically connected classes.
+
+In new version, deflection is controlled more accurately, this may be necessary to tune parameters of call of the BRepMesh algorithm on the application side to obtain the same quality of presentation and/or performance as before.
+
+*BRepMesh_FastDiscret* and *BRepMesh_FastDiscretFace* classes have been removed.
+
+The following changes have been introduced in the API of *BRepMesh_IncrementalMesh*, component entry point:
+* Due to revised logic, *adaptiveMin* parameter of the constructor has been removed as meaningless;
+* *BRepMesh_FastDiscret::Parameters* has been moved to a separate structure called *IMeshTools_Parameters*; the signatures of related methods have been changed correspondingly.
+
+* Interface of *BRepMesh_Delaun* class has been changed.
+
+Example of usage:
+Case 1 (explicit parameters):
+~~~~
+#include <IMeshData_Status.hxx>
+#include <IMeshTools_Parameters.hxx>
+#include <BRepMesh_IncrementalMesh.hxx>
+
+Standard_Boolean meshing_explicit_parameters()
+{
+  BRepMesh_IncrementalMesh aMesher (aShape, 0.1, Standard_False, 0.5, Standard_True);
+  const Standard_Integer aStatus = aMesher.GetStatusFlags();
+  return !aStatus;
+}
+
+Standard_Boolean meshing_new()
+{
+  IMeshTools_Parameters aMeshParams;
+  aMeshParams.Deflection               = 0.1;
+  aMeshParams.Angle                    = 0.5;
+  aMeshParams.Relative                 = Standard_False;
+  aMeshParams.InParallel               = Standard_True;
+  aMeshParams.MinSize                  = Precision::Confusion();
+  aMeshParams.InternalVerticesMode     = Standard_True;
+  aMeshParams.ControlSurfaceDeflection = Standard_True;
+
+  BRepMesh_IncrementalMesh aMesher (aShape, aMeshParams);
+  const Standard_Integer aStatus = aMesher.GetStatusFlags();
+  return !aStatus;
+}
+~~~~
+
+@subsection upgrade_740_chamfer Changes in API of Chamfer algorithms
+
+Some public methods of the class BRepFilletAPI_MakeChamfer are released from excess arguments:
+- method Add for symmetric chamfer now takes only 2 arguments: distance and edge;
+- method GetDistAngle now takes only 3 arguments: index of contour, distance and angle.
+
+@subsection upgrade_740_interiorstyles Interior styles
+
+* *Aspect_IS_HOLLOW* is now an alias to *Aspect_IS_EMPTY* and does not implicitly enables drawing mesh edges anymore.
+  Specify Graphic3d_AspectFillArea3d::SetDrawEdges(true) with Graphic3d_AspectFillArea3d::SetInteriorStyle(Aspect_IS_EMPTY) to get previous behavior of Aspect_IS_HOLLOW style.
+* *Aspect_IS_HIDDENLINE* does not implicitly enables drawing mesh edges anymore.
+  Specify Graphic3d_AspectFillArea3d::SetDrawEdges(true) with Graphic3d_AspectFillArea3d::SetInteriorStyle(Aspect_IS_HIDDENLINE) to get previous behavior of Aspect_IS_HIDDENLINE style.

dox/resources/occt_rm.doxyfile

@@ -23,7 +23,7 @@ WARNINGS               = NO
 ENABLE_PREPROCESSING   = YES
 MACRO_EXPANSION        = YES
 EXPAND_ONLY_PREDEF     = YES
-PREDEFINED             = Standard_EXPORT Standard_OVERRIDE:=override __Standard_API __Draw_API Handle(a):=Handle<a> DEFINE_STANDARD_ALLOC DEFINE_NCOLLECTION_ALLOC
+PREDEFINED             = Standard_EXPORT Standard_NODISCARD Standard_OVERRIDE:=override __Standard_API __Draw_API Handle(a):=Handle<a> DEFINE_STANDARD_ALLOC DEFINE_NCOLLECTION_ALLOC
 GENERATE_HTML          = YES
 GENERATE_LATEX         = NO
 SEARCH_INCLUDES        = YES

dox/resources/occt_ug_html.doxyfile

@@ -16,7 +16,6 @@ WARNINGS               = YES
 WARN_IF_UNDOCUMENTED   = YES
 WARN_IF_DOC_ERROR      = YES
 WARN_NO_PARAMDOC       = NO
-WARN_FORMAT            = \\$file:\$line: \$text\
 INPUT_ENCODING         = UTF-8
 FILE_PATTERNS          = *.md *.dox 
 RECURSIVE              = YES
@@ -56,6 +55,6 @@ USE_MATHJAX            = YES
 MATHJAX_FORMAT         = HTML-CSS
 
 # Define alias for inserting images in uniform way (both HTML and PDF)
-ALIASES += figure{1}="\image html \1 \n"
-ALIASES += figure{2}="\image html \1 \2 \n"
-ALIASES += figure{3}="\image html \1 \2 \n"
+ALIASES += figure{1}="\image html \1"
+ALIASES += figure{2}="\image html \1 \2"
+ALIASES += figure{3}="\image html \1 \2"

dox/resources/occt_ug_pdf.doxyfile

@@ -16,7 +16,6 @@ WARNINGS               = YES
 WARN_IF_UNDOCUMENTED   = YES
 WARN_IF_DOC_ERROR      = YES
 WARN_NO_PARAMDOC       = NO
-WARN_FORMAT            = \\$file:\$line: \$text\
 INPUT_ENCODING         = UTF-8
 FILE_PATTERNS          = *.md *.dox 
 RECURSIVE              = YES
@@ -49,6 +48,6 @@ LATEX_CMD_NAME         = latex
 MAKEINDEX_CMD_NAME     = makeindex
 
 # Define alias for inserting images in uniform way (both HTML and PDF)
-ALIASES += figure{1}="\image latex \1 \n"
-ALIASES += figure{2}="\image latex \1 \2 \n"
-ALIASES += figure{3}="\image latex \1 \2 width=\3 \n"
+ALIASES += figure{1}="\image latex \1"
+ALIASES += figure{2}="\image latex \1 \2"
+ALIASES += figure{3}="\image latex \1 \2 width=\3"

dox/user_guides/boolean_operations/boolean_operations.md

@@ -1891,6 +1891,21 @@ The input data for this step is as follows:
 | 2.3 |	Build solids <i>(SDi)</i> from *SFS*. |	*BOPAlgo_BuilderSolid* |
 | 2.4 |	Add the solids <i>(SDi)</i> to the result	| |
 
+@subsection occt_algorithms_bop_on_opensolids Boolean operations on open solids
+
+The Boolean operations on open solids are tricky enough that the standard approach of Boolean operations for building the result, based on the splits of solids does not work.
+It happens because the algorithm for splitting solids (*BOPAlgo_BuilderSolid*) always tries to create the closed loops (shells) and make solids from them. But if the input solid is not closed, what can be expected from its splits?
+For performing Boolean Operations on open solids another approach is used, which does not rely on the splits of the solids to be correct, but tries to select the splits of faces, which are necessary for the given type of operation.
+The point here is that the type of Boolean operation clearly defines the states for the faces to be taken into result:
+- For **COMMON** operation all the faces from the arguments located inside any solid of the opposite group must be taken;
+- For **FUSE** operation all the faces from the arguments located outside of all solids of the opposite group must be taken;
+- For **CUT** operation all the faces from the Objects located outside of all solids of the Tools and all faces from the Tools located inside any solid of the Objects must be taken;
+- For **CUT21** operation all the faces from the Objects located inside any solid of the Tools and all faces from the Tools located outside of all solids of the Objects must be taken.
+From the selected faces the result solids are built. Please note, that the result may contain as normal (closed) solids as the open ones.
+
+Even with this approach, the correct result of Boolean operation on open solids cannot be always guaranteed.
+This is explained by non-manifold nature of open solids: in some cases classification of a face depends on the point of the face chosen for classification.
+
 @section occt_algorithms_10a Section Algorithm 
 
 @subsection occt_algorithms_10a_1 Arguments

dox/user_guides/draw_test_harness/draw_test_harness.md

@@ -5860,6 +5860,8 @@ The following topics are covered in the eight sections of this chapter:
   * Topological operations, or booleans.
   * Drafting and blending.
   * Defeaturing.
+  * Making shapes periodic in 3D space.
+  * Making shapes connected.
   * Analysis of shapes.
 
 
@@ -7191,6 +7193,160 @@ parallel - enables the parallel processing mode.
 ~~~~
 
 
+@subsection occt_draw_makeperiodic 3D Model Periodicity
+
+Draw module for @ref occt_modalg_makeperiodic "making the shape periodic" includes the following commands:
+* **makeperiodic** - makes the shape periodic in required directions;
+* **repeatshape** - repeats the periodic shape in requested periodic direction;
+* **periodictwins** - returns the periodic twins for the shape;
+* **clearrepetitions** - clears all previous repetitions of the periodic shape.
+
+@subsubsection occt_draw_makeperiodic_makeperiodic makeperiodic
+
+The command makes the shape periodic in the required directions with the required period.
+If trimming is given it trims the shape to fit the requested period.
+
+Syntax:
+~~~~
+makeperiodic result shape [-x/y/z period [-trim first]]
+
+Where:
+result        - resulting periodic shape;
+shape         - input shape to make it periodic:
+-x/y/z period - option to make the shape periodic in X, Y or Z direction with the given period;
+-trim first   - option to trim the shape to fit the required period, starting the period in first.
+~~~~
+
+@subsubsection occt_draw_makeperiodic_repeatshape repeatshape
+
+The command repeats the periodic shape in periodic direction requested number of time.
+The result contains the all the repeated shapes glued together.
+The command should be called after **makeperiodic** command.
+
+Syntax:
+~~~~
+repeatshape result -x/y/z times
+
+Where:
+result       - resulting shape;
+-x/y/z times - direction for repetition and number of repetitions (negative number of times means the repetition in negative direction).
+~~~~
+
+@subsubsection occt_draw_makeperiodic_periodictwins periodictwins
+
+For the given shape the command returns the identical shapes located on the opposite sides of the periodic direction.
+All periodic twins should have the same geometry.
+The command should be called after **makeperiodic** command.
+
+Syntax:
+~~~~
+periodictwins twins shape
+
+Where:
+twins - periodic twins for the given shape
+shape - shape to find the twins for
+~~~~
+
+@subsubsection occt_draw_makeperiodic_clearrepetitions clearrepetitions
+
+The command clears all previous repetitions of the periodic shape allowing to start the repetitions over.
+No arguments are needed for the command.
+
+
+@subsection occt_draw_makeconnected Making the touching shapes connected
+
+Draw module for @ref occt_modalg_makeconnected "making the touching same-dimensional shapes connected" includes the following commands:
+* **makeconnected** - make the input shapes connected or glued, performs material associations;
+* **cmaterialson** - returns the materials located on the requested side of a shape;
+* **cmakeperiodic** - makes the connected shape periodic in requested directions;
+* **crepeatshape** - repeats the periodic connected shape in requested directions requested number of times;
+* **cperiodictwins** - returns all periodic twins for the shape;
+* **cclearrepetitions** - clears all previous repetitions of the periodic shape, keeping the shape periodic.
+
+@subsubsection occt_draw_makeconnected_makeconnected makeconnected
+
+The command makes the input touching shapes connected.
+
+Syntax:
+~~~~
+makeconnected result shape1 shape2 ...
+
+Where:
+result            - resulting connected shape.
+shape1 shape2 ... - shapes to be made connected.
+~~~~
+
+@subsubsection occt_draw_makeconnected_cmaterialson cmaterialson
+
+The command returns the materials located on the requested side of the shape.
+The command should be called after the shapes have been made connected, i.e. after the command **makeconnected**.
+
+Syntax:
+~~~~
+cmaterialson result +/- shape
+
+Where:
+result - material shapes
+shape  - shape for which the materials are needed
++/-    - side of a given shape ('+' for positive side, '-' - for negative).
+~~~~
+
+@subsubsection occt_draw_makeconnected_cmakeperiodic cmakeperiodic
+
+The command makes the connected shape periodic in the required directions with the required period.
+The command should be called after the shapes have been made connected, i.e. after the command **makeconnected**.
+
+Syntax:
+~~~~
+cmakeperiodic result [-x/y/z period [-trim first]]
+ 
+Where:
+result        - resulting periodic shape;
+shape         - input shape to make it periodic:
+-x/y/z period - option to make the shape periodic in X, Y or Z direction with the given period;
+-trim first   - option to trim the shape to fit the required period, starting the period in first.
+~~~~
+
+@subsubsection occt_draw_makeconnected_crepeatshape crepeatshape
+
+The command repeats the connected periodic shape in the required periodic directions required number of times.
+The command should be called after the shapes have been made connected and periodic, i.e. after the commands **makeconnected** and **cmakeperiodic**.
+
+Syntax:
+~~~~
+crepeatshape result -x/y/z times
+
+Where:
+result       - resulting shape;
+-x/y/z times - direction for repetition and number of repetitions (negative number of times means the repetition in negative direction).
+~~~~
+
+@subsubsection occt_draw_makeconnected_cperiodictwins cperiodictwins
+
+The command returns all periodic twins for the shape.
+The command should be called after the shapes have been made connected and periodic, i.e. after the commands **makeconnected** and **cmakeperiodic**.
+
+Syntax:
+~~~~
+cperiodictwins twins shape
+
+Where:
+twins - periodic twins of a shape.
+shape - input shape.
+~~~~
+
+@subsubsection occt_draw_makeconnected_cclearrepetitions cclearrepetitions
+
+The command clears all previous repetitions of the periodic shape keeping the shape periodic.
+The command should be called after the shapes have been made connected, periodic and the repetitions have been applied to the periodic shape, i.e. after the commands **makeconnected**, **cmakeperiodic** and **crepeatshape**.
+Otherwise the command will have no effect.
+
+Syntax:
+~~~~
+cclearrepetitions [result]
+~~~~
+
+
 @subsection occt_draw_7_9  Analysis of topology and geometry
 
 Analysis of shapes includes commands to compute length, area, volumes and inertial properties, as well as to compute some aspects impacting shape validity.
@@ -8370,6 +8526,62 @@ bfillds
 bsplit result
 ~~~~
 
+@subsubsection occt_draw_bop_build_BOP_opensolids Alternative command for BOP
+
+There is an alternative way to build the result of Boolean operation using the **buildbop** command, which should be run after any other building command, such as **bbuild** or **bbop** or **bsplit**.
+The command has the following features:
+* It is designed to work on open solids and thus uses the alternative approach for building the results (see @ref occt_algorithms_bop_on_opensolids "BOP on open solids" chapter of Boolean operations user guide).
+* It allows changing the groups of Objects and Tools of the operation (even excluding some of the arguments is possible).
+* History information for solids will be lost.
+
+Syntax:
+~~~~
+buildbop result -o s1 [s2 ...] -t s3 [s4 ...] -op operation (common/fuse/cut/tuc)
+Where:
+result      - result shape of the operation
+s1 s2 s3 s4 - arguments (solids) of the GF operation
+operation   - type of boolean operation
+~~~~
+
+**Example**
+~~~~
+box b1 10 10 10
+box b2 5 5 5 10 10 10
+box b3 -5 -5 -5 10 10 10
+
+bclearobjects
+bcleartools
+baddobjects b1 b2 b3
+bfillds
+bbuild r
+
+# bbop command will not be available as the tools are not set
+# but buildbop is available
+
+# fuse of two
+buildbop r1 -o b1 -t b2 -op fuse
+buildbop r2 -o b2 -t b3 -op fuse
+
+# fuse of all - it does not matter how the groups are formed
+buildbop r3 -o b1 b2 -t b3 -op fuse
+buildbop r4 -o b2 -t b1 b3 -op fuse
+buildbop r5 -o b1 b2 b3 -op fuse
+buildbop r6 -t b1 b2 b3 -op fuse
+
+# common of two
+buildbop r7 -o b2 -t b1 -op common
+buildbop r8 -o b1 -t b3 -op common
+
+# common
+buildbop r9 -o b1 -t b2 b3 -op common
+
+# cut
+buildbop r10 -o b1 -t b2 b3 -op cut
+
+# opposite cut
+buildbop r11 -o b1 -t b2 b3 -op tuc
+~~~~
+
 @subsubsection occt_draw_bop_build_CB Cells Builder
 
 See the @ref occt_algorithms_10c_Cells_1 "Cells Builder Usage" for the Draw usage of Cells Builder algorithm.
@@ -8495,7 +8707,7 @@ Where:
 
 @subsubsection occt_draw_bop_options_warn Drawing warning shapes
 
-**bdrawwarnshapes** command enables/disables drawing of waring shapes of BOP algorithms.
+**bdrawwarnshapes** command enables/disables drawing of warning shapes of BOP algorithms.
 
 Syntax:
 ~~~~

dox/user_guides/iges/iges.md

@@ -178,10 +178,10 @@ if  (!Interface_Static::SetRVal ("read.maxprecision.val",0.1))
 Default value is 1.  
 
 <h4>read.stdsameparameter.mode</h4>
-defines the using of  *BRepLib::SameParameter*. Its possible values are:  
-* 0 (Off) -- *BRepLib::SameParameter* is not called,  
-* 1 (On) -- *BRepLib::SameParameter* is called.  
-*BRepLib::SameParameter* is used through  *ShapeFix_Edge::SameParameter*. It ensures that the resulting edge will have the  lowest tolerance taking pcurves either unmodified from the IGES file or  modified by *BRepLib::SameParameter*.  
+defines the using of  *BRepLib\::SameParameter*. Its possible values are:  
+* 0 (Off) -- *BRepLib\::SameParameter* is not called,  
+* 1 (On) -- *BRepLib\::SameParameter* is called.  
+*BRepLib\::SameParameter* is used through  *ShapeFix_Edge\::SameParameter*. It ensures that the resulting edge will have the  lowest tolerance taking pcurves either unmodified from the IGES file or  modified by *BRepLib\::SameParameter*.  
 Read this parameter  with:  
 ~~~~~
 Standard_Integer mv =  Interface_Static::IVal("read.stdsameparameter.mode"); 
@@ -202,7 +202,7 @@ The processor also  decides to re-compute either the 3D or the 2D curve even if
   * the number of sub-curves in  the 2D curve is different from the number of sub-curves in the 3D curve. This  can be either due to different numbers of sub-curves given in the IGES file or  because of splitting of curves during translation. 
   * 3D or 2D curve is a Circular  Arc (entity type 100) starting and ending in the same point (note that this  case is incorrect according to the IGES standard).
   
-The parameter  *read.surfacecurve.mode* defines which curve (3D or 2D) is used for re-computing  the other one:  
+The parameter  *read.surfacecurve.mode* defines which curve (3D or 2D) is used for re-computing  the other one:
 * *Default(0)* use  the preference flag value in the entity's Parameter Data section. The flag  values are:  
   * 0: no preference given, 
   * 1: use 2D for 142 entities  and 3D for 141 entities, 
@@ -400,12 +400,12 @@ reader.PrintTransferInfo  (failsonly, mode);
 ~~~~~
 displays the messages  that appeared during the last invocation of *Transfer* or *TransferRoots*.  
 
-If *failsonly* is  *IFSelect_FailOnly*, only fail messages will be output, if it is  *IFSelect_FailAndWarn*, all messages will be output. Parameter “mode” can have  *IFSelect_xxx* values where *xxx* can be:  
-* *GeneralCount* -- gives general statistics  on the transfer (number of translated IGES entities, number of fails and  warnings, etc)  
-* *CountByItem* -- gives the number of IGES  entities with their types per message. 
-* *ListByItem* -- gives the number of IGES  entities with their type and DE numbers per message.  
-* *ResultCount*  -- gives the number of  resulting OCCT shapes per type.  
-* *Mapping* -- gives mapping between  roots of the IGES file and the resulting OCCT shape per IGES and OCCT type.
+If *failsonly* is  *IFSelect_FailOnly*, only fail messages will be output, if it is  *IFSelect_FailAndWarn*, all messages will be output. Parameter “mode” can have  *IFSelect_xxx* values where *xxx* can be:
+  * *GeneralCount* -- gives general statistics  on the transfer (number of translated IGES entities, number of fails and  warnings, etc)  
+  * *CountByItem* -- gives the number of IGES  entities with their types per message. 
+  * *ListByItem* -- gives the number of IGES  entities with their type and DE numbers per message.  
+  * *ResultCount*  -- gives the number of  resulting OCCT shapes per type.  
+  * *Mapping* -- gives mapping between  roots of the IGES file and the resulting OCCT shape per IGES and OCCT type.
  
 @subsection occt_iges_2_4 Mapping of IGES  entities to Open CASCADE Technology shapes
 

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+<text xml:space="preserve" x="480" y="182" clip-path="url(#clipPath39)" stroke="none">myFaceDiscret : IMeshTools_ModelAlgo [1]</text>
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+<text xml:space="preserve" x="480" y="198" clip-path="url(#clipPath41)" stroke="none">myPostProcessor : IMeshTools_ModelAlgo [1]</text>
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+<text xml:space="preserve" x="480" y="214" clip-path="url(#clipPath43)" stroke="none">GetParameters()</text>
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+<text xml:space="preserve" x="480" y="230" clip-path="url(#clipPath45)" stroke="none">ChangeParameters()</text>
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+<text xml:space="preserve" x="480" y="246" clip-path="url(#clipPath47)" stroke="none">BuildModel()</text>
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+<text xml:space="preserve" x="480" y="262" clip-path="url(#clipPath49)" stroke="none">GetModel()</text>
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+<text xml:space="preserve" x="480" y="278" clip-path="url(#clipPath51)" stroke="none">DiscretizeEdges()</text>
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+<text xml:space="preserve" x="480" y="294" clip-path="url(#clipPath53)" stroke="none">HealModel()</text>
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+<text xml:space="preserve" x="480" y="310" clip-path="url(#clipPath55)" stroke="none">PreProcessModel()</text>
+<image x="461" y="313" clip-path="url(#clipPath56)" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACM0lEQVR42sVTX0hT&#13;&#10;URz+7p3OCIqkaMLq0R6CCIRMaCMyr9ushkT17Fq9RNk/iJBk5z5s+BAhBQYh6Hyp&#13;&#10;B5W0NufcbCuNFcToIQrxz5g0IsVE5u52d+89HScMYw56CPo9nHN+/L7z8fGd7wD/&#13;&#10;u3TlBgIJ0nmlmljb3GQ2OiCWw/FbmyYxQGG+SzfOE+HXePfkNgLhwc3hiZvUSsK0&#13;&#10;rAKLK0gnwq8w+fA6vF950v/gCnZWVaGxoQ4jC3oy+agdnU/7IVzuIvNRb1ERV5Ri&#13;&#10;aqejXTcASsFxKjRaCbaggtfYtAIKVIbWcO5+DzD1mCtRQJMfxBczHGk1NSCfB3yx&#13;&#10;OGYWF/ElkcLBmhrICnCxswd0y+UigcUVonPqHuK+5kClTofI5zhjVNDr/4RjtUbM&#13;&#10;/kjhQLUBx48cRWhpB2l2uslcZNPYgonjzDDP1TZsqFxeyUHTFPSNxRH1nMez8Rh4&#13;&#10;lcP31RwUlcLjdCAYfPnnK9iEs+joHUBiOYOVjASOee04U4dTHUNw2uqh8TqsrctI&#13;&#10;/FpnuD4IFjtKTCwUM9JxoRW8wnjlFGOn0BiE0xug6vTwDg5Bm+7mtg+S+Ra1t7RA&#13;&#10;zgGSKiNHdyPNVbJ9FyRNRUZWcfhQLb7l9xEkY2JJkMwnGzHq92E1l8XImA8/M2ms&#13;&#10;ScCSlMWwP4h0VsJwwI/TTbbtg5R8+1ysv3SPTE9FCk+VpPvJXqMRHyOsf9/NLagG&#13;&#10;Igh2hFwC91efxOp6Q2G6Q5vF0vj+0/oNRdDxkTDUjqQAAAAASUVORK5CYII=" xlink:type="simple" xlink:actuate="onLoad" height="16" preserveAspectRatio="none" xlink:show="embed"/>
+<text xml:space="preserve" x="480" y="326" clip-path="url(#clipPath57)" stroke="none">DiscretizeFaces()</text>
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+<text xml:space="preserve" x="480" y="342" clip-path="url(#clipPath59)" stroke="none">PostProcessModel()</text>
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+<text xml:space="preserve" x="480" y="358" clip-path="url(#clipPath61)" stroke="none">SetModelBuilder()</text>
+<image x="461" y="361" clip-path="url(#clipPath62)" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACM0lEQVR42sVTX0hT&#13;&#10;URz+7p3OCIqkaMLq0R6CCIRMaCMyr9ushkT17Fq9RNk/iJBk5z5s+BAhBQYh6Hyp&#13;&#10;B5W0NufcbCuNFcToIQrxz5g0IsVE5u52d+89HScMYw56CPo9nHN+/L7z8fGd7wD/&#13;&#10;u3TlBgIJ0nmlmljb3GQ2OiCWw/FbmyYxQGG+SzfOE+HXePfkNgLhwc3hiZvUSsK0&#13;&#10;rAKLK0gnwq8w+fA6vF950v/gCnZWVaGxoQ4jC3oy+agdnU/7IVzuIvNRb1ERV5Ri&#13;&#10;aqejXTcASsFxKjRaCbaggtfYtAIKVIbWcO5+DzD1mCtRQJMfxBczHGk1NSCfB3yx&#13;&#10;OGYWF/ElkcLBmhrICnCxswd0y+UigcUVonPqHuK+5kClTofI5zhjVNDr/4RjtUbM&#13;&#10;/kjhQLUBx48cRWhpB2l2uslcZNPYgonjzDDP1TZsqFxeyUHTFPSNxRH1nMez8Rh4&#13;&#10;lcP31RwUlcLjdCAYfPnnK9iEs+joHUBiOYOVjASOee04U4dTHUNw2uqh8TqsrctI&#13;&#10;/FpnuD4IFjtKTCwUM9JxoRW8wnjlFGOn0BiE0xug6vTwDg5Bm+7mtg+S+Ra1t7RA&#13;&#10;zgGSKiNHdyPNVbJ9FyRNRUZWcfhQLb7l9xEkY2JJkMwnGzHq92E1l8XImA8/M2ms&#13;&#10;ScCSlMWwP4h0VsJwwI/TTbbtg5R8+1ysv3SPTE9FCk+VpPvJXqMRHyOsf9/NLagG&#13;&#10;Igh2hFwC91efxOp6Q2G6Q5vF0vj+0/oNRdDxkTDUjqQAAAAASUVORK5CYII=" xlink:type="simple" xlink:actuate="onLoad" height="16" preserveAspectRatio="none" xlink:show="embed"/>
+<text xml:space="preserve" x="480" y="374" clip-path="url(#clipPath63)" stroke="none">GetModelBuilder()</text>
+<image x="461" y="377" clip-path="url(#clipPath64)" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACM0lEQVR42sVTX0hT&#13;&#10;URz+7p3OCIqkaMLq0R6CCIRMaCMyr9ushkT17Fq9RNk/iJBk5z5s+BAhBQYh6Hyp&#13;&#10;B5W0NufcbCuNFcToIQrxz5g0IsVE5u52d+89HScMYw56CPo9nHN+/L7z8fGd7wD/&#13;&#10;u3TlBgIJ0nmlmljb3GQ2OiCWw/FbmyYxQGG+SzfOE+HXePfkNgLhwc3hiZvUSsK0&#13;&#10;rAKLK0gnwq8w+fA6vF950v/gCnZWVaGxoQ4jC3oy+agdnU/7IVzuIvNRb1ERV5Ri&#13;&#10;aqejXTcASsFxKjRaCbaggtfYtAIKVIbWcO5+DzD1mCtRQJMfxBczHGk1NSCfB3yx&#13;&#10;OGYWF/ElkcLBmhrICnCxswd0y+UigcUVonPqHuK+5kClTofI5zhjVNDr/4RjtUbM&#13;&#10;/kjhQLUBx48cRWhpB2l2uslcZNPYgonjzDDP1TZsqFxeyUHTFPSNxRH1nMez8Rh4&#13;&#10;lcP31RwUlcLjdCAYfPnnK9iEs+joHUBiOYOVjASOee04U4dTHUNw2uqh8TqsrctI&#13;&#10;/FpnuD4IFjtKTCwUM9JxoRW8wnjlFGOn0BiE0xug6vTwDg5Bm+7mtg+S+Ra1t7RA&#13;&#10;zgGSKiNHdyPNVbJ9FyRNRUZWcfhQLb7l9xEkY2JJkMwnGzHq92E1l8XImA8/M2ms&#13;&#10;ScCSlMWwP4h0VsJwwI/TTbbtg5R8+1ysv3SPTE9FCk+VpPvJXqMRHyOsf9/NLagG&#13;&#10;Igh2hFwC91efxOp6Q2G6Q5vF0vj+0/oNRdDxkTDUjqQAAAAASUVORK5CYII=" xlink:type="simple" xlink:actuate="onLoad" height="16" preserveAspectRatio="none" xlink:show="embed"/>
+<text xml:space="preserve" x="480" y="390" clip-path="url(#clipPath65)" stroke="none">SetEdgeDiscret()</text>
+<image x="461" y="393" clip-path="url(#clipPath66)" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACM0lEQVR42sVTX0hT&#13;&#10;URz+7p3OCIqkaMLq0R6CCIRMaCMyr9ushkT17Fq9RNk/iJBk5z5s+BAhBQYh6Hyp&#13;&#10;B5W0NufcbCuNFcToIQrxz5g0IsVE5u52d+89HScMYw56CPo9nHN+/L7z8fGd7wD/&#13;&#10;u3TlBgIJ0nmlmljb3GQ2OiCWw/FbmyYxQGG+SzfOE+HXePfkNgLhwc3hiZvUSsK0&#13;&#10;rAKLK0gnwq8w+fA6vF950v/gCnZWVaGxoQ4jC3oy+agdnU/7IVzuIvNRb1ERV5Ri&#13;&#10;aqejXTcASsFxKjRaCbaggtfYtAIKVIbWcO5+DzD1mCtRQJMfxBczHGk1NSCfB3yx&#13;&#10;OGYWF/ElkcLBmhrICnCxswd0y+UigcUVonPqHuK+5kClTofI5zhjVNDr/4RjtUbM&#13;&#10;/kjhQLUBx48cRWhpB2l2uslcZNPYgonjzDDP1TZsqFxeyUHTFPSNxRH1nMez8Rh4&#13;&#10;lcP31RwUlcLjdCAYfPnnK9iEs+joHUBiOYOVjASOee04U4dTHUNw2uqh8TqsrctI&#13;&#10;/FpnuD4IFjtKTCwUM9JxoRW8wnjlFGOn0BiE0xug6vTwDg5Bm+7mtg+S+Ra1t7RA&#13;&#10;zgGSKiNHdyPNVbJ9FyRNRUZWcfhQLb7l9xEkY2JJkMwnGzHq92E1l8XImA8/M2ms&#13;&#10;ScCSlMWwP4h0VsJwwI/TTbbtg5R8+1ysv3SPTE9FCk+VpPvJXqMRHyOsf9/NLagG&#13;&#10;Igh2hFwC91efxOp6Q2G6Q5vF0vj+0/oNRdDxkTDUjqQAAAAASUVORK5CYII=" xlink:type="simple" xlink:actuate="onLoad" height="16" preserveAspectRatio="none" xlink:show="embed"/>
+<text xml:space="preserve" x="480" y="406" clip-path="url(#clipPath67)" stroke="none">GetEdgeDiscret()</text>
+<image x="461" y="409" clip-path="url(#clipPath68)" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACM0lEQVR42sVTX0hT&#13;&#10;URz+7p3OCIqkaMLq0R6CCIRMaCMyr9ushkT17Fq9RNk/iJBk5z5s+BAhBQYh6Hyp&#13;&#10;B5W0NufcbCuNFcToIQrxz5g0IsVE5u52d+89HScMYw56CPo9nHN+/L7z8fGd7wD/&#13;&#10;u3TlBgIJ0nmlmljb3GQ2OiCWw/FbmyYxQGG+SzfOE+HXePfkNgLhwc3hiZvUSsK0&#13;&#10;rAKLK0gnwq8w+fA6vF950v/gCnZWVaGxoQ4jC3oy+agdnU/7IVzuIvNRb1ERV5Ri&#13;&#10;aqejXTcASsFxKjRaCbaggtfYtAIKVIbWcO5+DzD1mCtRQJMfxBczHGk1NSCfB3yx&#13;&#10;OGYWF/ElkcLBmhrICnCxswd0y+UigcUVonPqHuK+5kClTofI5zhjVNDr/4RjtUbM&#13;&#10;/kjhQLUBx48cRWhpB2l2uslcZNPYgonjzDDP1TZsqFxeyUHTFPSNxRH1nMez8Rh4&#13;&#10;lcP31RwUlcLjdCAYfPnnK9iEs+joHUBiOYOVjASOee04U4dTHUNw2uqh8TqsrctI&#13;&#10;/FpnuD4IFjtKTCwUM9JxoRW8wnjlFGOn0BiE0xug6vTwDg5Bm+7mtg+S+Ra1t7RA&#13;&#10;zgGSKiNHdyPNVbJ9FyRNRUZWcfhQLb7l9xEkY2JJkMwnGzHq92E1l8XImA8/M2ms&#13;&#10;ScCSlMWwP4h0VsJwwI/TTbbtg5R8+1ysv3SPTE9FCk+VpPvJXqMRHyOsf9/NLagG&#13;&#10;Igh2hFwC91efxOp6Q2G6Q5vF0vj+0/oNRdDxkTDUjqQAAAAASUVORK5CYII=" xlink:type="simple" xlink:actuate="onLoad" height="16" preserveAspectRatio="none" xlink:show="embed"/>
+<text xml:space="preserve" x="480" y="422" clip-path="url(#clipPath69)" stroke="none">SetModelHealer()</text>
+<image x="461" y="425" clip-path="url(#clipPath70)" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACM0lEQVR42sVTX0hT&#13;&#10;URz+7p3OCIqkaMLq0R6CCIRMaCMyr9ushkT17Fq9RNk/iJBk5z5s+BAhBQYh6Hyp&#13;&#10;B5W0NufcbCuNFcToIQrxz5g0IsVE5u52d+89HScMYw56CPo9nHN+/L7z8fGd7wD/&#13;&#10;u3TlBgIJ0nmlmljb3GQ2OiCWw/FbmyYxQGG+SzfOE+HXePfkNgLhwc3hiZvUSsK0&#13;&#10;rAKLK0gnwq8w+fA6vF950v/gCnZWVaGxoQ4jC3oy+agdnU/7IVzuIvNRb1ERV5Ri&#13;&#10;aqejXTcASsFxKjRaCbaggtfYtAIKVIbWcO5+DzD1mCtRQJMfxBczHGk1NSCfB3yx&#13;&#10;OGYWF/ElkcLBmhrICnCxswd0y+UigcUVonPqHuK+5kClTofI5zhjVNDr/4RjtUbM&#13;&#10;/kjhQLUBx48cRWhpB2l2uslcZNPYgonjzDDP1TZsqFxeyUHTFPSNxRH1nMez8Rh4&#13;&#10;lcP31RwUlcLjdCAYfPnnK9iEs+joHUBiOYOVjASOee04U4dTHUNw2uqh8TqsrctI&#13;&#10;/FpnuD4IFjtKTCwUM9JxoRW8wnjlFGOn0BiE0xug6vTwDg5Bm+7mtg+S+Ra1t7RA&#13;&#10;zgGSKiNHdyPNVbJ9FyRNRUZWcfhQLb7l9xEkY2JJkMwnGzHq92E1l8XImA8/M2ms&#13;&#10;ScCSlMWwP4h0VsJwwI/TTbbtg5R8+1ysv3SPTE9FCk+VpPvJXqMRHyOsf9/NLagG&#13;&#10;Igh2hFwC91efxOp6Q2G6Q5vF0vj+0/oNRdDxkTDUjqQAAAAASUVORK5CYII=" xlink:type="simple" xlink:actuate="onLoad" height="16" preserveAspectRatio="none" xlink:show="embed"/>
+<text xml:space="preserve" x="480" y="438" clip-path="url(#clipPath71)" stroke="none">GetModelHealer()</text>
+<image x="461" y="441" clip-path="url(#clipPath72)" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACM0lEQVR42sVTX0hT&#13;&#10;URz+7p3OCIqkaMLq0R6CCIRMaCMyr9ushkT17Fq9RNk/iJBk5z5s+BAhBQYh6Hyp&#13;&#10;B5W0NufcbCuNFcToIQrxz5g0IsVE5u52d+89HScMYw56CPo9nHN+/L7z8fGd7wD/&#13;&#10;u3TlBgIJ0nmlmljb3GQ2OiCWw/FbmyYxQGG+SzfOE+HXePfkNgLhwc3hiZvUSsK0&#13;&#10;rAKLK0gnwq8w+fA6vF950v/gCnZWVaGxoQ4jC3oy+agdnU/7IVzuIvNRb1ERV5Ri&#13;&#10;aqejXTcASsFxKjRaCbaggtfYtAIKVIbWcO5+DzD1mCtRQJMfxBczHGk1NSCfB3yx&#13;&#10;OGYWF/ElkcLBmhrICnCxswd0y+UigcUVonPqHuK+5kClTofI5zhjVNDr/4RjtUbM&#13;&#10;/kjhQLUBx48cRWhpB2l2uslcZNPYgonjzDDP1TZsqFxeyUHTFPSNxRH1nMez8Rh4&#13;&#10;lcP31RwUlcLjdCAYfPnnK9iEs+joHUBiOYOVjASOee04U4dTHUNw2uqh8TqsrctI&#13;&#10;/FpnuD4IFjtKTCwUM9JxoRW8wnjlFGOn0BiE0xug6vTwDg5Bm+7mtg+S+Ra1t7RA&#13;&#10;zgGSKiNHdyPNVbJ9FyRNRUZWcfhQLb7l9xEkY2JJkMwnGzHq92E1l8XImA8/M2ms&#13;&#10;ScCSlMWwP4h0VsJwwI/TTbbtg5R8+1ysv3SPTE9FCk+VpPvJXqMRHyOsf9/NLagG&#13;&#10;Igh2hFwC91efxOp6Q2G6Q5vF0vj+0/oNRdDxkTDUjqQAAAAASUVORK5CYII=" xlink:type="simple" xlink:actuate="onLoad" height="16" preserveAspectRatio="none" xlink:show="embed"/>
+<text xml:space="preserve" x="480" y="454" clip-path="url(#clipPath73)" stroke="none">SetPreProcessor()</text>
+<image x="461" y="457" clip-path="url(#clipPath74)" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAACM0lEQVR42sVTX0hT&#13;&#10;URz+7p3OCIqkaMLq0R6CCIRMaCMyr9ushkT17Fq9RNk/iJBk5z5s+BAhBQYh6Hyp&#13;&#10;B5W0NufcbCuNFcToIQrxz5g0IsVE5u52d+89HScMYw56CPo9nHN+/L7z8fGd7wD/&#13;&#10;u3TlBgIJ0nmlmljb3GQ2OiCWw/FbmyYxQGG+SzfOE+HXePfkNgLhwc3hiZvUSsK0&#13;&#10;rAKLK0gnwq8w+fA6vF950v/gCnZWVaGxoQ4jC3oy+agdnU/7IVzuIvNRb1ERV5Ri&#13;&#10;aqejXTcASsFxKjRaCbaggtfYtAIKVIbWcO5+DzD1mCtRQJMfxBczHGk1NSCfB3yx&#13;&#10;OGYWF/ElkcLBmhrICnCxswd0y+UigcUVonPqHuK+5kClTofI5zhjVNDr/4RjtUbM&#13;&#10;/kjhQLUBx48cRWhpB2l2uslcZNPYgonjzDDP1TZsqFxeyUHTFPSNxRH1nMez8Rh4&#13;&#10;lcP31RwUlcLjdCAYfPnnK9iEs+joHUBiOYOVjASOee04U4dTHUNw2uqh8TqsrctI&#13;&#10;/FpnuD4IFjtKTCwUM9JxoRW8wnjlFGOn0BiE0xug6vTwDg5Bm+7mtg+S+Ra1t7RA&#13;&#10;zgGSKiNHdyPNVbJ9FyRNRUZWcfhQLb7l9xEkY2JJkMwnGzHq92E1l8XImA8/M2ms&#13;&#10;ScCSlMWwP4h0VsJwwI/TTbbtg5R8+1ysv3SPTE9FCk+VpPvJXqMRHyOsf9/NLagG&#13;&#10;Igh2hFwC91efxOp6Q2G6Q5vF0vj+0/oNRdDxkTDUjqQAAAAASUVORK5CYII=" xlink:type="simple" xlink:actuate="onLoad" height="16" preserveAspectRatio="none" xlink:show="embed"/>
+<text xml:space="preserve" x="480" y="470" clip-path="url(#clipPath75)" stroke="none">GetPreProcessor()</text>
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dox/user_guides/modeling_algos/modeling_algos.md

@@ -3103,15 +3103,44 @@ Learn more about SALOME platform on http://www.salome-platform.org
 The algorithm of shape triangulation is provided by the functionality of *BRepMesh_IncrementalMesh* class, which adds a triangulation of the shape to its topological data structure. This triangulation is used to visualize the shape in shaded mode.
 
 ~~~~~
-const Standard_Real aRadius = 10.0; 
-const Standard_Real aHeight = 25.0; 
-BRepPrimAPI_MakeCylinder aCylinder(aRadius, aHeight); 
-TopoDS_Shape aShape = aCylinder.Shape();
- 
-const Standard_Real aLinearDeflection   = 0.01;
-const Standard_Real anAngularDeflection = 0.5;
+#include <IMeshData_Status.hxx>
+#include <IMeshTools_Parameters.hxx>
+#include <BRepMesh_IncrementalMesh.hxx>
 
-BRepMesh_IncrementalMesh aMesh(aShape, aLinearDeflection, Standard_False, anAngularDeflection);
+Standard_Boolean meshing_explicit_parameters()
+{
+  const Standard_Real aRadius = 10.0; 
+  const Standard_Real aHeight = 25.0; 
+  BRepPrimAPI_MakeCylinder aCylinder(aRadius, aHeight); 
+  TopoDS_Shape aShape = aCylinder.Shape();
+
+  const Standard_Real aLinearDeflection   = 0.01;
+  const Standard_Real anAngularDeflection = 0.5;
+  BRepMesh_IncrementalMesh aMesher (aShape, aLinearDeflection, Standard_False, anAngularDeflection, Standard_True);
+  const Standard_Integer aStatus = aMesher.GetStatusFlags();
+  return !aStatus;
+}
+
+Standard_Boolean meshing_imeshtools_parameters()
+{
+  const Standard_Real aRadius = 10.0; 
+  const Standard_Real aHeight = 25.0; 
+  BRepPrimAPI_MakeCylinder aCylinder(aRadius, aHeight); 
+  TopoDS_Shape aShape = aCylinder.Shape();
+  
+  IMeshTools_Parameters aMeshParams;
+  aMeshParams.Deflection               = 0.01;
+  aMeshParams.Angle                    = 0.5;
+  aMeshParams.Relative                 = Standard_False;
+  aMeshParams.InParallel               = Standard_True;
+  aMeshParams.MinSize                  = Precision::Confusion();
+  aMeshParams.InternalVerticesMode     = Standard_True;
+  aMeshParams.ControlSurfaceDeflection = Standard_True;
+
+  BRepMesh_IncrementalMesh aMesher (aShape, aMeshParams);
+  const Standard_Integer aStatus = aMesher.GetStatusFlags();
+  return !aStatus;
+}
 ~~~~~
 
 The default meshing algorithm *BRepMesh_IncrementalMesh* has two major options to define triangulation -- linear and angular deflections. 
@@ -3122,9 +3151,9 @@ At the second step, the faces are tessellated. Linear deflection limits the dist
 
 @figure{/user_guides/modeling_algos/images/modeling_algos_image056.png,"Deflection parameters of BRepMesh_IncrementalMesh algorithm",420}
 
-Linear deflection limits the distance between triangles and the face interior.
+There are additional options to control behavior of the meshing of face interior: *DeflectionInterior* and *AngleInterior*. *DeflectionInterior* limits the distance between triangles and the face interior. *AngleInterior* (used for tessellation of B-spline faces only) limits the angle between normals (N1, N2 and N3 in the picture) in the nodes of every link of the triangle. There is an exception for the links along the face boundary edges, "Angular Deflection" is used for them during edges discretization.
 
-@figure{/user_guides/modeling_algos/images/modeling_algos_image057.png,"Linear deflection",420}
+@figure{/user_guides/modeling_algos/images/modeling_algos_image057.png,"Linear and angular interior deflections",420}
 
 Note that if a given value of linear deflection is less than shape tolerance then the algorithm will skip this value and will take into account the shape tolerance.
 
@@ -3138,6 +3167,100 @@ Meshing covers a shape with a triangular mesh. Other than hidden line removal, y
 
 You can obtain information on the shape by first exploring it. To access triangulation of a face in the shape later, use *BRepTool::Triangulation*. To access a polygon, which is the approximation of an edge of the face, use *BRepTool::PolygonOnTriangulation*.
 
+@subsection occt_modalg_11_3 BRepMesh Architecture
+@subsubsection occt_modalg_11_3_1 Goals
+
+The main goals of the chosen architecture are:
+  * Remove tight connections between data structures, auxiliary tools and algorithms to create an extensible solution, easy for maintenance and improvements;
+  * Separate the code among several functional units responsible for specific operation for the sake of simplification of debugging and readability;
+  * Introduce new data structures enabling the possibility to manipulate a discrete model of a particular entity (edge, wire, face) in order to perform computations locally instead of processing the entire model;
+  * Implement a new triangulation algorithm replacing the existing functionality that contains overcomplicated solutions that need to be moved to the upper level. In addition, provide the possibility to change the algorithm depending on surface type (initially to speed up meshing of planes).
+
+@subsubsection occt_modalg_11_3_2 General workflow
+@figure{/user_guides/modeling_algos/images/modeling_algos_mesh_001.svg,"General workflow of BRepMesh component",500}
+
+Generally, the workflow of the component can be divided into six parts:
+  * **Creation of model data structure**: source *TopoDS_Shape* passed to algorithm is analyzed and exploded into faces and edges. The reflection corresponding to each topological entity is created in the data model. Note that underlying algorithms use the data model as input and access it via a common interface which allows creating a custom data model with necessary dependencies between particular entities (see the paragraph "Data model interface");
+  * **Discretize edges 3D & 2D curves**: 3D curve as well as an associated set of 2D curves of each model edge is discretized in order to create a coherent skeleton used as a base in face meshing process. If an edge of the source shape already contains polygonal data which suits the specified parameters, it is extracted from the shape and stored in the model as is. Each edge is processed separately, the adjacency is not taken into account;
+  * **Heal discrete model**: the source *TopoDS_Shape* can contain problems, such as open wires or self-intersections, introduced during design, exchange or modification of model. In addition, some problems like self-intersections can be introduced by roughly discretized edges. This stage is responsible for analysis of a discrete model in order to detect and repair problems or to refuse further processing of a model part in case if a problem cannot be solved;
+  * **Preprocess discrete model**: defines actions specific to the implemented approach to be performed before meshing of faces. By default, this operation iterates over model faces, checks the consistency of existing triangulations and cleans topological faces and adjacent edges from polygonal data in case of inconsistency or marks a face of the discrete model as not required for the computation;
+  * **Discretize faces**: represents the core part performing mesh generation for a particular face based on 2D discrete data. This operation caches polygonal data associated with face edges in the data model for further processing and stores the generated mesh to *TopoDS_Face*;
+  * **Postprocess discrete model**: defines actions specific for the implemented approach to be performed after meshing of faces. By default, this operation stores polygonal data obtained at the previous stage to *TopoDS_Edge* objects of the source model.
+
+@subsubsection occt_modalg_11_3_3 Common interfaces
+The component structure contains two units: <i>IMeshData</i> (see Data model interface) and <i>IMeshTools</i>, defining common interfaces for the data model and algorithmic tools correspondingly. Class *IMeshTools_Context* represents a connector between these units. The context class caches the data model as well as the tools corresponding to each of six stages of the workflow mentioned above and provides methods to call the corresponding tool safely (designed similarly to *IntTools_Context* in order to keep consistency with OCCT core tools). All stages, except for the first one, use the data model as input and perform a specific action on the entire structure. Thus, API class *IMeshTools_ModelAlgo* is defined in order to unify the interface of tools manipulating the data model. Each tool supposed to process the data model should inherit this interface enabling the possibility to cache it in context. In contrast to others, the model builder interface is defined by another class *IMeshTools_ModelBuilder* due to a different meaning of the stage. The entry point starting the entire workflow is represented by *IMeshTools_MeshBuilder*.
+
+The default implementation of *IMeshTools_Context* is given in *BRepMesh_Context* class initializing the context by instances of default algorithmic tools.
+
+The factory interface *IMeshTools_MeshAlgoFactory* gives the possibility to change the triangulation algorithm for a specific surface. The factory returns an instance of the triangulation algorithm via *IMeshTools_MeshAlgo* interface depending on the type of surface passed as parameter. It is supposed to be used at the face discretization stage.
+
+The default implementation of AlgoFactory is given in *BRepMesh_MeshAlgoFactory* returning algorithms of different complexity chosen according to the passed surface type. In its turn, it is used as the initializer of *BRepMesh_FaceDiscret* algorithm representing the starter of face discretization stage.
+
+@figure{/user_guides/modeling_algos/images/modeling_algos_mesh_002.svg,"Interface describing entry point to meshing workflow",500}
+
+Remaining interfaces describe auxiliary tools:
+  * *IMeshTools_CurveTessellator*: provides a common interface to the algorithms responsible for creation of discrete polygons on 3D and 2D curves as well as tools for extraction of existing polygons from *TopoDS_Edge* allowing to obtain discrete points and the corresponding parameters on curve regardless of the implementation details (see examples of usage of derived classes *BRepMesh_CurveTessellator*, *BRepMesh_EdgeTessellationExtractor* in *BRepMesh_EdgeDiscret*);
+  * *IMeshTools_ShapeExplorer*: the last two interfaces represent visitor design pattern and are intended to separate iteration over elements of topological shape (edges and faces) from the operations performed on a particular element;
+  * *IMeshTools_ShapeVisitor*: provides a common interface for operations on edges and faces of the target topological shape. It can be used in couple with *IMeshTools_ShapeExplorer*. The default implementation available in *BRepMesh_ShapeVisitor* performs initialization of the data model. The advantage of such approach is that the implementation of *IMeshTools_ShapeVisitor* can be changed according to the specific data model whereas the shape explorer implementation remains the same.
+
+@subsubsection occt_modalg_11_3_4 Create model data structure
+The data structures intended to keep discrete and temporary data required by underlying algorithms are created at the first stage of the meshing procedure. Generally, the model represents dependencies between entities of the source topological shape suitable for the target task.
+
+#### Data model interface
+Unit <i>IMeshData</i> provides common interfaces specifying the data model API used on different stages of the entire workflow. Dependencies and references of the designed interfaces are given in the figure below. A specific interface implementation depends on the target application which allows the developer to implement different models and use custom low-level data structures, e.g. different collections, either <i>NCollection</i> or STL. *IMeshData_Shape* is used as the base class for all data structures and tools keeping the topological shape in order to avoid possible copy-paste.
+
+The default implementation of interfaces is given in <i>BRepMeshData</i> unit. The main aim of the default data model is to provide features performing discretization of edges in a parallel mode. Thus, curve, pcurve and other classes are based on STL containers and smart-pointers as far as <i>NCollection</i> does not provide thread-safety for some cases (e.g. *NCollection_Sequence*). In addition, it closely reflects topology of the source shape, i.e. the number of edges in the data model is equal to the number of edges in the source model; each edge contains a set of pcurves associated with its adjacent faces which allows creation of discrete polygons for all pcurves or the 3D curve of a particular edge in a separate thread.
+
+**Advantages**:
+In case of necessity, the data model (probably with algorithms for its processing) can be easily substituted by another implementation supporting another kind of dependencies between elements.
+
+An additional example of a different data model is the case when it is not required to create a mesh with discrete polygons synchronized between adjacent faces, i.e. in case of necessity to speed up creation of a rough per-face tessellation used for visualization or quick computation only (the approach used in *XDEDRAW_Props*).
+
+@figure{/user_guides/modeling_algos/images/modeling_algos_mesh_003.svg,"Common API of data model",500}
+
+#### Collecting data model
+At this stage the data model is filled by entities according to the topological structure of the source shape. A default implementation of the data model is given in <i>BRepMeshData</i> unit and represents the model as two sets: a set of edges and a set of faces. Each face consists of one or several wires, the first of which always represents the outer wire, while others are internal. In its turn, each wire depicts the ordered sequence of oriented edges. Each edge is characterized by a single 3D curve and zero (in case of free edge) or more 2D curves associated with faces adjacent to this edge. Both 3D and 2D curves represent a set of pairs point-parameter defined in 3D and 2D space of the reference face correspondingly. An additional difference between a curve and a pcurve is that the latter has a reference to the face it is defined for.
+
+Model filler algorithm is represented by *BRepMesh_ShapeVisitor* class creating the model as a reflection to topological shape with help of *BRepMesh_ShapeExplorer* performing iteration over edges and faces of the target shape. Note that the algorithm operates on a common interface of the data model and creates a structure without any knowledge about the implementation details and underlying data structures. The entry point to collecting functionality is *BRepMesh_ModelBuilder* class.
+
+@subsubsection occt_modalg_11_3_5 Discretize edges 3D & 2D curves
+At this stage only the edges of the data model are considered. Each edge is processed separately (with the possibility to run processing in multiple threads). The edge is checked for existing polygonal data. In case if at least one representation exists and suits the meshing parameters, it is recuperated and used as reference data for tessellation of the whole set of pcurves as well as 3D curve assigned to the edge (see *BRepMesh_EdgeTessellationExtractor*). Otherwise, a new tessellation algorithm is created and used to generate the initial polygon (see *BRepMesh_CurveTessellator*) and the edge is marked as outdated. In addition, the model edge is updated by deflection as well as recomputed same range, same parameter and degeneracy parameters. See *BRepMesh_EdgeDiscret* for implementation details.
+
+<i>IMeshData</i> unit defines interface *IMeshData_ParametersListArrayAdaptor*, which is intended to adapt arbitrary data structures to the *NCollection_Array1* container API. This solution is made to use both *NCollection_Array1* and *IMeshData_Curve* as the source for *BRepMesh_EdgeParameterProvider* tool intended to generate a consistent parametrization taking into account the same parameter property.
+
+@subsubsection occt_modalg_11_3_6 Heal discrete model
+In general, this stage represents a set of operations performed on the entire discrete model in order to resolve inconsistencies due to the problems caused by design, translation or rough discretization. A different sequence of operations can be performed depending on the target triangulation algorithm, e.g. there are different approaches to process self-intersections – either to amplify edges discretization by decreasing the target precision or to split links at the intersection points. At this stage the whole set of edges is considered in aggregate and their adjacency is taken into account. A default implementation of the model healer is given in *BRepMesh_ModelHealer* which performs the following actions:
+  * Iterates over model faces and checks their wires for consistency, i.e. whether the wires are closed and do not contain self-intersections. The data structures are designed free of collisions, thus it is possible to run processing in a parallel mode;
+  * Forcibly connects the ends of adjacent edges in the parametric space, closing gaps between possible disconnected parts. The aim of this operation is to create a correct discrete model defined relatively to the parametric space of the target face taking into account connectivity and tolerances of 3D space only. This means that no specific computations are made to determine U and V tolerance;
+  * Registers intersections on edges forming the face shape. Two solutions are possible in order to resolve self-intersection: 
+    * Decrease deflection of a particular edge and update its discrete model. After that the workflow "intersection check – amplification" is repeated up to 5 times. As the result, target edges contain a finer tessellation and meshing continues or the face is marked by *IMeshData_SelfIntersectingWire* status and refused from further processing;
+    * Split target edges by intersection point and synchronize the updated polygon with curve and remaining pcurves associated to each edge. This operation presents a more robust solution comparing to the amplification procedure with a guaranteed result, but it is more difficult for implementation from the point of view of synchronization functionality.
+
+@subsubsection occt_modalg_11_3_7 Preprocess discrete model
+This stage implements actions to be performed before meshing of faces. Depending on target goals it can be changed or omitted. By default, *BRepMesh_ModelPreProcessor* implements the functionality checking topological faces for consistency of existing triangulation, i.e.: consistency with the target deflection parameter; indices of nodes referenced by triangles do not exceed the number of nodes stored in a triangulation. If the face fails some checks, it is cleaned from triangulation and its adjacent edges are cleaned from existing polygons. This does not affect a discrete model and does not require any recomputation as the model keeps tessellations for the whole set of edges despite consistency of their polygons.
+
+@subsubsection occt_modalg_11_3_8 Discretize faces
+Discretization of faces is the general part of meshing algorithm. At this stage edges tessellation data obtained and processed on previous steps is used to form contours of target faces and passed as input to the triangulation algorithm. Default implementation is provided by *BRepMesh_FaceDiscret* class which represents a starter for triangulation algorithm. It iterates over faces available in the data model, creates an instance of the triangulation algorithm according to the type of surface associated with each face via *IMeshTools_MeshAlgoFactory* and executes it. Each face is processed separately, thus it is possible to process faces in a parallel mode. The class diagram of face discretization is given in the figure below.
+ 
+@figure{/user_guides/modeling_algos/images/modeling_algos_mesh_004.svg,"Class diagram of face discrete stage",300}
+
+In general, face meshing algorithms have the following structure:
+  * *BRepMesh_BaseMeshAlgo* implements *IMeshTools_MeshAlgo* interface and the base functionality for inherited algorithms. The main goal of this class is to initialize an instance of *BRepMesh_DataStructureOfDelaun* as well as auxiliary data structures suitable for nested algorithms using face model data passed as input parameter. Despite implementation of triangulation algorithm this structure is currently supposed as common for OCCT. However, the user is free to implement a custom algorithm and supporting data structure accessible via *IMeshTools_MeshAlgo* interface, e.g. to connect a 3-rd party meshing tool that does not support *TopoDS_Shape* out of box. For this, such structure provides the possibility to distribute connectors to various algorithms in the form of plugins;
+  * *BRepMesh_DelaunayBaseMeshAlgo* and *BRepMesh_SweepLineMeshAlgo* classes implement core meshing functionality operating directly on an instance of *BRepMesh_DataStructureOfDelaun*. The algorithms represent mesh generation tools adding new points from the data structure to the final mesh;
+  * *BRepMesh_NodeInsertionMeshAlgo* class represents a wrapper intended to extend the algorithm inherited from *BRepMesh_BaseMeshAlgo* to enable the functionality generating surface nodes and inserting them into the structure. On this level, an instance of the classification tool is created and can be used to accept-reject internal nodes. In addition, computations necessary for scaling UV coordinates of points relatively to the range specified for the corresponding direction are performed. As far as both triangulation algorithms work on static data provided by the structure, new nodes are added at the initialization stage. Surface nodes are generated by an auxiliary tool called range splitter and passed as template parameter (see Range splitter);
+  * Classes *BRepMesh_DelaunayNodeInsertionMeshAlgo* and *BRepMesh_SweepLineNodeInsertionMeshAlgo* implement algorithm-specific functionality related to addition of internal nodes supplementing functionality provided by *BRepMesh_NodeInsertionMeshAlgo*;
+  * *BRepMesh_DelaunayDeflectionControlMeshAlgo* extends functionality of *BRepMesh_DelaunayNodeInsertionMeshAlgo* by additional procedure controlling deflection of generated triangles.
+
+#### Range splitter
+Range splitter tools provide functionality to generate internal surface nodes defined within the range computed using discrete model data. The base functionality is provided by *BRepMesh_DefaultRangeSplitter* which can be used without modifications in case of planar surface. The default splitter does not generate any internal node.
+
+*BRepMesh_ConeRangeSplitter*, *BRepMesh_CylinderRangeSplitter* and *BRepMesh_SphereRangeSplitter* are specializations of the default splitter intended for quick generation of internal nodes for the corresponding type of analytical surface.
+
+*BRepMesh_UVParamRangeSplitter* implements base functionality taking discretization points of face border into account for node generation. Its successors BRepMesh_TorusRangeSplitter and *BRepMesh_NURBSRangeSplitter* extend the base functionality for toroidal and NURBS surfaces correspondingly.
+
+@subsubsection occt_modalg_11_3_9 Postprocess discrete model
+This stage implements actions to be performed after meshing of faces. Depending on target goals it can be changed or omitted. By default, *BRepMesh_ModelPostProcessor* commits polygonal data stored in the data model to *TopoDS_Edge*. 
+
 
 @section occt_modalg_defeaturing 3D Model Defeaturing
 
@@ -3315,3 +3438,312 @@ Here are the few examples of defeaturing of the model containing boxes with blen
   <td>@figure{/user_guides/modeling_algos/images/modeling_algos_rf_im029.png,"Result",220}</td></td>
 </tr>
 </table>
+
+
+@section occt_modalg_makeperiodic 3D Model Periodicity
+
+Open CASCADE Technology provides tools for making an arbitrary 3D model (or just shape) periodic in 3D space in the specified directions.
+
+Periodicity of the shape means that the shape can be repeated in any periodic direction any number of times without creation of the new geometry or splits.
+The idea of this algorithm is to make the shape look similarly on the opposite sides or on the period bounds of periodic directions.
+It does not mean that the opposite sides of the shape will be mirrored. It just means that the opposite sides of the shape should be split by each other and obtain the same geometry on opposite sides.
+Such approach will allow repeating the shape, i.e. translating the copy of a shape on the period, without creation of new geometry because there will be no coinciding parts of different dimension.
+
+For better understanding of what periodicity means lets create a simple prism and make it periodic.
+The following draw script creates the L-shape prism with extensions 10x5x10:
+~~~~
+polyline p 0 0 0 0 0 10 5 0 10 5 0 5 10 0 5 10 0 0 0 0 0
+mkplane f p
+prism s f 0 5 0
+~~~~
+@figure{/user_guides/modeling_algos/images/modeling_algos_mkperiodic_im001.png,"Shape to make periodic",220}
+
+Making this shape periodic in X, Y and Z directions with the periods matching the shape's extensions should make the splits of negative X and Z sides of the shape. The shape is already similar on opposite sides of Y directions, thus no new splits is expected.
+Here is the shape after making it periodic:
+@figure{/user_guides/modeling_algos/images/modeling_algos_mkperiodic_im002.png,"Periodic shape",220}
+And here is the repetition of the shape once in X and Z directions:
+@figure{/user_guides/modeling_algos/images/modeling_algos_mkperiodic_im003.png,"Repeated shape",220}
+
+The OCCT Shape Periodicity tools also allows making the shape periodic with the period not matching the shape's extensions. Let's make the shape periodic with 11, 6 and 11 for X, Y, Z periods accordingly.
+Such values of periods mean that there will be a gap between repeated shapes, and since during repetition the opposite sides do not touch the shape will not be split at all.
+Here is the repetition of the shape once in X and Z directions:
+@figure{/user_guides/modeling_algos/images/modeling_algos_mkperiodic_im004.png,"Repeated shape",220}
+As expected, the shape is not split and the repeated elements do not touch.
+
+If necessary the algorithm will trim the shape to fit into the requested period by splitting it with the planes limiting the shape's requested periods.
+E.g. let's make the L-shape periodic only in X direction with the period 2 starting at X parameter 4:
+@figure{/user_guides/modeling_algos/images/modeling_algos_mkperiodic_im005.png,"Periodic trimmed shape",220}
+
+@subsection occt_modalg_makeperiodic_how_it_works How the shape is made periodic
+
+For making the shape periodic in certain direction the algorithm performs the following steps:
+* Creates the copy of the shape and moves it on the period into negative side of the requested direction;
+* Splits the negative side of the shape by the moved copy, ensuring copying of the geometry from positive side to negative;
+* Creates the copy of the shape (with already split negative side) and moves it on the period into the positive side of the requested direction;
+* Splits the positive side of the shape by the moved copy, ensuring copying of the geometry from negative side to positive.
+
+Repeated copying of the geometry ensures that the corner edges of the periodic shape will have the same geometry on opposite sides of all periodic directions.
+
+Thus, in the periodic shape the geometry from positive side of the shape is always copied on the negative side of periodic directions.
+
+@subsection occt_modalg_makeperiodic_association Opposite shapes association
+
+The algorithm also associates the identical (or twin) shapes located on the opposite sides of the periodic shape. By the construction, the twin shapes should always have the same geometry and distanced from each other on the period.
+It is possible that the shape does not have any twins. It means that when repeating this shape will not touch the opposite side of the shape. In the example when the periods of the shape are grater than its extensions, non of the sub-shapes has a twin.
+
+@subsection occt_modalg_makeperiodic_repetition Periodic shape repetition
+
+The algorithm also provides the methods to repeat the periodic shape in periodic directions. To repeat shape the algorithm makes the requested number of copies of the shape and translates them one by one on the time * period value.
+After all copies are made and translated they are glued to have valid shape.
+The subsequent repetitions are performed on the repeated shape, thus e.g. repeating the shape two times in any periodic direction will create result containing three shapes (original plus two copies).
+Single subsequent repetition in any direction will result already in 6 shapes.
+
+The repetitions can be cleared and started over.
+
+@subsection occt_modalg_makeperiodic_history History support
+
+The algorithm supports the history of shapes modifications, thus it is possible to track how the shapes have been changed to make it periodic and what new shapes have been created during repetitions.
+Both split history and history of periodic shape repetition are available here. Note, that all repeated shapes are stored as generated into the history.
+
+
+*BRepTools_History* is used for history support.
+
+@subsection occt_modalg_makeperiodic_errors Errors/Warnings
+
+The algorithm supports the Error/Warning reporting system which allows obtaining the extended overview of the errors and warning occurred during the operation.
+As soon as any error appears the algorithm stops working. The warnings allow continuing the job, informing the user that something went wrong.
+The algorithm returns the following alerts:
+* *BOPAlgo_AlertNoPeriodicityRequired* - Error alert is given if no periodicity has been requested in any direction;
+* *BOPAlgo_AlertUnableToTrim* - Error alert is given if the trimming of the shape for fitting it into requested period has failed;
+* *BOPAlgo_AlertUnableToMakeIdentical* - Error alert is given if splitting of the shape by its moved copies has failed;
+* *BOPAlgo_AlertUnableToRepeat* - Warning alert is given if the gluing of the repeated shapes has failed.
+
+For more information on the error/warning reporting system please see the chapter @ref occt_algorithms_ers "Errors and warnings reporting system" of Boolean operations user guide.
+
+@subsection occt_modalg_makeperiodic_usage Usage
+
+The algorithm is implemented in the class *BOPAlgo_MakePeriodic*.
+Here is the example of its usage on the API level:
+~~~~
+TopoDS_Shape aShape = ...;                 // The shape to make periodic
+Standard_Boolean bMakeXPeriodic = ...;     // Flag for making or not the shape periodic in X direction
+Standard_Real aXPeriod = ...;              // X period for the shape
+Standard_Boolean isXTrimmed = ...;         // Flag defining whether it is necessary to trimming
+                                           // the shape to fit to X period
+Standard_Real aXFirst = ...;               // Start of the X period
+                                           // (really necessary only if the trimming is requested)
+Standard_Boolean bRunParallel = ...;       // Parallel processing mode or single
+
+BOPAlgo_MakePeriodic aPeriodicityMaker;                   // Periodicity maker
+aPeriodicityMaker.SetShape(aShape);                       // Set the shape
+aPeriodicityMaker.MakeXPeriodic(bMakePeriodic, aXPeriod); // Making the shape periodic in X direction
+aPeriodicityMaker.SetTrimmed(isXTrimmed, aXFirst);        // Trim the shape to fit X period
+aPeriodicityMaker.SetRunParallel(bRunParallel);           // Set the parallel processing mode
+aPeriodicityMaker.Perform();                              // Performing the operation
+
+if (aPeriodicityMaker.HasErrors())                        // Check for the errors
+{
+  // errors treatment
+  Standard_SStream aSStream;
+  aPeriodicityMaker.DumpErrors(aSStream);
+  return;
+}
+if (aPeriodicityMaker.HasWarnings())                      // Check for the warnings
+{
+  // warnings treatment
+  Standard_SStream aSStream;
+  aPeriodicityMaker.DumpWarnings(aSStream);
+}
+const TopoDS_Shape& aPeriodicShape = aPeriodicityMaker.Shape(); // Result periodic shape
+
+aPeriodicityMaker.XRepeat(2);                                    // Making repetitions
+const TopoDS_Shape& aRepeat = aPeriodicityMaker.RepeatedShape(); // Getting the repeated shape
+aPeriodicityMaker.ClearRepetitions();                            // Clearing the repetitions
+~~~~
+
+Please note, that the class is based on the options class *BOPAlgo_Options*, which provides the following options for the algorithm:
+* Error/Warning reporting system;
+* Parallel processing mode.
+The other options of the base class are not supported here and will have no effect.
+
+All the history information obtained during the operation is stored into *BRepTools_History* object and available through *History()* method:
+~~~~
+// Get the history object
+const Handle(BRepTools_History)& BOPAlgo_MakePeriodic::History();
+~~~~
+
+For the usage of the MakePeriodic algorithm on the Draw level the following commands have been implemented:
+* **makeperiodic**
+* **repeatshape**
+* **periodictwins**
+* **clearrepetitions**
+
+For more details on the periodicity commands please refer the @ref occt_draw_makeperiodic "Periodicity commands" of the Draw test harness user guide.
+
+To track the history of a shape modification during MakePeriodic operation the @ref occt_draw_hist "standard history commands" can be used.
+
+To have possibility to access the error/warning shapes of the operation use the *bdrawwarnshapes* command before running the algorithm (see command usage in the @ref occt_algorithms_ers "Errors and warnings reporting system" of Boolean operations user guide).
+
+@subsection occt_modalg_makeperiodic_examples Examples
+
+Imagine that you need to make the drills in the plate on the same distance from each other. To model this process it is necessary to make a lot of cylinders (simulating the drills) and cut these cylinders from the plate.
+With the periodicity tool, the process looks very simple:
+~~~~
+# create plate 100 x 100
+box plate -50 -50 0 100 100 1
+# create a single drill with radius 1
+pcylinder drill 1 1
+# locate the drill in the left corner
+ttranslate drill -48 -48 0
+# make the drill periodic with 4 as X and Y periods, so the distance between drills will be 2
+makeperiodic drill drill -x 4 -trim -50 -y 4 -trim -50
+# repeat the drill to fill the plate, in result we get net of 25 x 25 drills
+repeatshape drills -x 24 -y 24
+# cut the drills from the plate
+bcut result plate drills
+~~~~
+@figure{/user_guides/modeling_algos/images/modeling_algos_mkperiodic_im006.png,"Plate with drills",220}
+
+
+@section occt_modalg_makeconnected Making touching shapes connected
+
+Open CASCADE Technology provides tools for making the same-dimensional touching shapes connected (or glued), i.e. for making the coinciding geometries topologically shared among shapes.
+To make the shapes connected they are glued by the means of @ref occt_algorithms_7 "General Fuse algorithm". The option BOPAlgo_GlueShift is used, thus if the input shapes have been interfering the algorithm will be unable to recognize this.
+
+Making the group of shapes connected can be useful e.g. before meshing the group. It will allow making the resulting mesh conformal.
+
+The algorithm for making the shapes connected is implemented in the class *BOPAlgo_MakeConnected*.
+
+@subsection occt_modalg_makeconnected_materials Material association
+
+In frames of this tool the input shapes are called materials, and each input shape has a unique material.
+
+After making the shapes connected, the border elements of the input shapes are associated with the shapes to which they belong. At that, the orientation of the border elements in the shape is taken into account.
+The associations are made for the following types:
+* For input SOLIDS the resulting FACES are associated with the input solids;
+* For input FACES the resulting EDGES are associated with the input faces;
+* For input EDGES the resulting VERTICES are associated with the input edges.
+The association process is called the material association. It allows finding the coinciding elements for the opposite input shapes. These elements will be associated to at least two materials (one on the positive side of the shape, the other - on negative).
+
+For obtaining the material information the following methods should be used
+* *MaterialsOnPositiveSide()* - returns the original shapes (materials) located on the positive side of the given shape (i.e. with FORWARD orientation);
+* *MaterialsOnNegativeSide()* - returns the original shapes (materials) located on the negative side of the given shape (i.e. with REVERSED orientation);
+
+~~~~
+// Returns the original shapes which images contain the given shape with FORWARD orientation.
+const TopTools_ListOfShape& BOPAlgo_MakeConnected::MaterialsOnPositiveSide(const TopoDS_Shape& theS)
+
+// Returns the original shapes which images contain the given shape with REVERSED orientation.
+const TopTools_ListOfShape& BOPAlgo_MakeConnected::MaterialsOnNegativeSide(const TopoDS_Shape& theS)
+~~~~
+
+@subsection occt_modalg_makeconnected_makeperiodic Making connected shape periodic
+
+The tool provides possibility to make the connected shape @ref occt_modalg_makeperiodic "periodic".
+Since by making the shape periodic it ensures that the geometry of coinciding shapes on the opposite sides will be the same it allows reusing the mesh of the shape for its periodic twins.
+
+After making the shape periodic the material associations are updated to correspond to the actual state of the result shape. Repetition of the periodic shape is also possible from here. Material associations are not going to be lost.
+
+@subsection occt_modalg_makeconnected_history History support
+
+The algorithm supports history of shapes modifications during the operation. Additionally to standard history method provided by *BRepTools_History* and used here as a history tool, the algorithm also provides the method to track the back connection - from resulting shapes to the input ones.
+The method is called *GetOrigins()*:
+~~~~
+// Returns the list of original shapes from which the current shape has been created.
+const TopTools_ListOfShape& BOPAlgo_MakeConnected::GetOrigins(const TopoDS_Shape& theS);
+~~~~
+
+Both Gluing history and history of making the shape periodic and periodic shape repetition are available here. Note, that all repeated shapes are stored as generated into the history.
+
+@subsection occt_modalg_makeconnected_errors Errors/Warnings
+
+The algorithm supports the Error/Warning reporting system which allows obtaining the extended overview of the errors and warning occurred during the operation.
+As soon as any error appears the algorithm stops working. The warnings allow continuing the job, informing the user that something went wrong.
+The algorithm returns the following alerts:
+* *BOPAlgo_AlertTooFewArguments* - error alert is given on the attempt to run the algorithm without the arguments;
+* *BOPAlgo_AlertMultiDimensionalArguments* - error alert is given on the attempt to run the algorithm on multi-dimensional arguments;
+* *BOPAlgo_AlertUnableToGlue* - error alert is given if the gluer algorithm is unable to glue the given arguments;
+* *BOPAlgo_AlertUnableToMakePeriodic* - warning alert is given if the periodicity maker is unable to make the connected shape periodic with given options;
+* *BOPAlgo_AlertShapeIsNotPeriodic* - warning alert is given on the attempt to repeat the shape before making it periodic.
+
+For more information on the error/warning reporting system please see the chapter @ref occt_algorithms_ers "Errors and warnings reporting system" of Boolean operations user guide.
+
+@subsection occt_modalg_makeconnected_usage Usage
+
+Here is the example of usage of the *BOPAlgo_MakePeriodic* algorithm on the API level:
+~~~~
+TopTools_ListOfShape anArguments = ...;  // Shapes to make connected
+Standard_Boolean bRunParallel = ...;     // Parallel processing mode
+
+BOPAlgo_MakeConnected aMC;               // Tool for making the shapes connected
+aMC.SetArguments(anArguments);           // Set the shapes
+aMC.SetRunParallel(bRunParallel);        // Set parallel processing mode
+aMC.Perform();                           // Perform the operation
+
+if (aMC.HasErrors())                     // Check for the errors
+{
+  // errors treatment
+  Standard_SStream aSStream;
+  aMC.DumpErrors(aSStream);
+  return;
+}
+if (aMC.HasWarnings())                   // Check for the warnings
+{
+  // warnings treatment
+  Standard_SStream aSStream;
+  aMC.DumpWarnings(aSStream);
+}
+
+const TopoDS_Shape& aGluedShape = aMC.Shape(); // Connected shape
+
+// Checking material associations
+TopAbs_ShapeEnum anElemType = ...;       // Type of border element
+TopExp_Explorer anExp(anArguments.First(), anElemType);
+for (; anExp.More(); anExp.Next())
+{
+  const TopoDS_Shape& anElement = anExp.Current();
+  const TopTools_ListOfShape& aNegativeM = aMC.MaterialsOnNegativeSide(anElement);
+  const TopTools_ListOfShape& aPositiveM = aMC.MaterialsOnPositiveSide(anElement);
+}
+
+// Making the connected shape periodic
+BOPAlgo_MakePeriodic::PeriodicityParams aParams = ...; // Options for periodicity of the connected shape
+aMC.MakePeriodic(aParams);
+
+// Shape repetition after making it periodic
+// Check if the shape has been made periodic successfully
+if (aMC.PeriodicityTool().HasErrors())
+{
+  // Periodicity maker error treatment
+}
+
+// Shape repetition in periodic directions
+aMC.RepeatShape(0, 2);
+
+const TopoDS_Shape& aShape = aMC.PeriodicShape(); // Periodic and repeated shape
+~~~~
+
+Please note, that the class is based on the options class *BOPAlgo_Options*, which provides the following options for the algorithm:
+* Error/Warning reporting system;
+* Parallel processing mode.
+The other options of the base class are not supported here and will have no effect.
+
+All the history information obtained during the operation is stored into *BRepTools_History* object and available through *History()* method:
+~~~~
+// Get the history object
+const Handle(BRepTools_History)& BOPAlgo_MakeConnected::History();
+~~~~
+
+For the usage of the MakeConnected algorithm on the Draw level the following commands have been implemented:
+* **makeconnected**
+* **cmaterialson**
+* **cmakeperiodic**
+* **crepeatshape**
+* **cperiodictwins**
+* **cclearrepetitions**
+
+For more details on the connexity commands please refer the @ref occt_draw_makeconnected "MakeConnected commands" of the Draw test harness user guide.
+
+To track the history of a shape modification during MakeConnected operation the @ref occt_draw_hist "standard history commands" can be used.
+
+To have possibility to access the error/warning shapes of the operation use the *bdrawwarnshapes* command before running the algorithm (see command usage in the @ref occt_algorithms_ers "Errors and warnings reporting system" of Boolean operations user guide).

dox/user_guides/visualization/visualization.md

@@ -1793,12 +1793,11 @@ Create facet attributes.
 Handle(Graphic3d_AspectFillArea3d) aFaceAspect =  new Graphic3d_AspectFillArea3d();
 Graphic3d_MaterialAspect aBrassMaterial (Graphic3d_NOM_BRASS);
 Graphic3d_MaterialAspect aGoldMaterial  (Graphic3d_NOM_GOLD);
-aFaceAspect->SetInteriorStyle (Aspect_IS_SOLID);
+aFaceAspect->SetInteriorStyle (Aspect_IS_SOLID_WIREFRAME);
 aFaceAspect->SetInteriorColor (aMyColor);
 aFaceAspect->SetDistinguishOn ();
 aFaceAspect->SetFrontMaterial (aGoldMaterial);
 aFaceAspect->SetBackMaterial  (aBrassMaterial);
-aFaceAspect->SetEdgeOn();
 ~~~~~
 
 Create text attributes.

samples/CSharp/OCCTProxy/OCCTProxy.cpp

@@ -46,6 +46,7 @@
 #pragma comment(lib, "TKSTEP.lib")
 #pragma comment(lib, "TKStl.lib")
 #pragma comment(lib, "TKVrml.lib")
+#pragma comment(lib, "TKLCAF.lib")
 
 //! Auxiliary tool for converting C# string into UTF-8 string.
 static TCollection_AsciiString toAsciiString (String^ theString)

samples/CSharp/OCCTProxy_D3D/OCCTProxyD3D.cpp

@@ -54,6 +54,7 @@
 #pragma comment(lib, "TKSTEP.lib")
 #pragma comment(lib, "TKStl.lib")
 #pragma comment(lib, "TKVrml.lib")
+#pragma comment(lib, "TKLCAF.lib")
 
 #pragma comment(lib, "D3D9.lib")
 

samples/glfw/CMakeLists.txt

@@ -0,0 +1,68 @@
+cmake_minimum_required(VERSION 3.2)
+
+project(glfw-occt-demo)
+
+set(CMAKE_CXX_STANDARD 11)
+set(APP_VERSION_MAJOR 1)
+set(APP_VERSION_MINOR 0)
+set(APP_TARGET glfwocct)
+
+INCLUDE_DIRECTORIES(${PROJECT_SOURCE_DIR})
+file(GLOB SOURCES
+  *.h
+  *.cpp
+)
+source_group ("Headers" FILES
+  GlfwOcctView.h
+  GlfwOcctWindow.h)
+source_group ("Sources" FILES
+  GlfwOcctView.cpp
+  GlfwOcctWindow.cpp
+  main.cpp)
+
+# OpenGL
+find_package(OpenGL REQUIRED)
+
+# Open CASCADE Technology
+find_package(OpenCASCADE REQUIRED NO_DEFAULT_PATH)
+if (OpenCASCADE_FOUND)
+  message (STATUS "Using OpenCASCADE from \"${OpenCASCADE_DIR}\"" )
+  INCLUDE_DIRECTORIES(${OpenCASCADE_INCLUDE_DIR})
+  LINK_DIRECTORIES(${OpenCASCADE_LIBRARY_DIR})
+else()
+  message (WARNING "Could not find OpenCASCADE, please set OpenCASCADE_DIR variable." )
+  set (OCCT_LIBRARY_DIR)
+  set (OCCT_BIN_DIR)
+endif()
+
+SET(OpenCASCADE_LIBS 
+  TKernel
+  TKService
+  TKV3d
+  TKOpenGl
+  TKBRep
+  TKGeomBase
+  TKGeomAlgo
+  TKG3d
+  TKG2d
+  TKTopAlgo
+  TKPrim
+)
+
+# glfw
+find_package(glfw3 REQUIRED)
+if (glfw3_FOUND)
+  message (STATUS "Using glfw3 ${glfw3_VERSION}" )
+  INCLUDE_DIRECTORIES(${GLFW_INCLUDE_DIRS})
+  LINK_DIRECTORIES(${GLFW_LIBRARY_DIRS})
+else()
+  message (STATUS "glfw3 is not found." )
+endif()
+
+add_executable(${APP_TARGET} ${SOURCES})
+target_link_libraries(
+  ${APP_TARGET}
+  ${OpenCASCADE_LIBS}
+  glfw
+  ${OPENGL_LIBRARIES}
+)

samples/glfw/GlfwOcctView.cpp

@@ -0,0 +1,324 @@
+// Copyright (c) 2019 OPEN CASCADE SAS
+//
+// This file is part of the examples of the Open CASCADE Technology software library.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
+
+#include "GlfwOcctView.h"
+
+#include <AIS_Shape.hxx>
+#include <Aspect_Handle.hxx>
+#include <Aspect_DisplayConnection.hxx>
+#include <BRepPrimAPI_MakeBox.hxx>
+#include <BRepPrimAPI_MakeCone.hxx>
+#include <Message.hxx>
+#include <Message_Messenger.hxx>
+#include <OpenGl_GraphicDriver.hxx>
+#include <TopAbs_ShapeEnum.hxx>
+
+#include <iostream>
+
+#include <GLFW/glfw3.h>
+
+// ================================================================
+// Function : GlfwOcctView
+// Purpose  :
+// ================================================================
+GlfwOcctView::GlfwOcctView()
+: myCurAction3d (CurAction3d_Nothing),
+  myToRedraw (true)
+{
+}
+
+// ================================================================
+// Function : ~GlfwOcctView
+// Purpose  :
+// ================================================================
+GlfwOcctView::~GlfwOcctView()
+{
+}
+
+// ================================================================
+// Function : toView
+// Purpose  :
+// ================================================================
+GlfwOcctView* GlfwOcctView::toView (GLFWwindow* theWin)
+{
+  return static_cast<GlfwOcctView*>(glfwGetWindowUserPointer (theWin));
+}
+
+// ================================================================
+// Function : errorCallback
+// Purpose  :
+// ================================================================
+void GlfwOcctView::errorCallback (int theError, const char* theDescription)
+{
+  Message::DefaultMessenger()->Send (TCollection_AsciiString ("Error") + theError + ": " + theDescription, Message_Fail);
+}
+
+// ================================================================
+// Function : run
+// Purpose  :
+// ================================================================
+void GlfwOcctView::run()
+{
+  initWindow (800, 600, "glfw occt");
+  initViewer();
+  initDemoScene();
+  if (myView.IsNull())
+  {
+    return;
+  }
+
+  myView->MustBeResized();
+  myOcctWindow->Map();
+  mainloop();
+  cleanup();
+}
+
+// ================================================================
+// Function : initWindow
+// Purpose  :
+// ================================================================
+void GlfwOcctView::initWindow (int theWidth, int theHeight, const char* theTitle)
+{
+  glfwSetErrorCallback (GlfwOcctView::errorCallback);
+  glfwInit();
+  const bool toAskCoreProfile = true;
+  if (toAskCoreProfile)
+  {
+    glfwWindowHint (GLFW_CONTEXT_VERSION_MAJOR, 3);
+    glfwWindowHint (GLFW_CONTEXT_VERSION_MINOR, 3);
+#if defined (__APPLE__)
+    glfwWindowHint (GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+#endif
+    glfwWindowHint (GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+  }
+  myOcctWindow = new GlfwOcctWindow (theWidth, theHeight, theTitle);
+  glfwSetWindowUserPointer       (myOcctWindow->getGlfwWindow(), this);
+  // window callback
+  glfwSetWindowSizeCallback      (myOcctWindow->getGlfwWindow(), GlfwOcctView::onResizeCallback);
+  glfwSetFramebufferSizeCallback (myOcctWindow->getGlfwWindow(), GlfwOcctView::onFBResizeCallback);
+  // mouse callback
+  glfwSetScrollCallback          (myOcctWindow->getGlfwWindow(), GlfwOcctView::onMouseScrollCallback);
+  glfwSetMouseButtonCallback     (myOcctWindow->getGlfwWindow(), GlfwOcctView::onMouseButtonCallback);
+  glfwSetCursorPosCallback       (myOcctWindow->getGlfwWindow(), GlfwOcctView::onMouseMoveCallback);
+}
+
+// ================================================================
+// Function : initViewer
+// Purpose  :
+// ================================================================
+void GlfwOcctView::initViewer()
+{
+  if (myOcctWindow.IsNull()
+   || myOcctWindow->getGlfwWindow() == nullptr)
+  {
+    return;
+  }
+
+  Handle(OpenGl_GraphicDriver) aGraphicDriver = new OpenGl_GraphicDriver (myOcctWindow->GetDisplay(), false);
+  Handle(V3d_Viewer) aViewer = new V3d_Viewer (aGraphicDriver);
+  aViewer->SetDefaultLights();
+  aViewer->SetLightOn();
+  aViewer->SetDefaultTypeOfView (V3d_PERSPECTIVE);
+  aViewer->ActivateGrid (Aspect_GT_Rectangular, Aspect_GDM_Lines);
+  myView = aViewer->CreateView();
+  myView->SetImmediateUpdate (false);
+  myView->SetWindow (myOcctWindow, myOcctWindow->NativeGlContext());
+  myView->ChangeRenderingParams().ToShowStats = true;
+  myContext = new AIS_InteractiveContext (aViewer);
+}
+
+// ================================================================
+// Function : initDemoScene
+// Purpose  :
+// ================================================================
+void GlfwOcctView::initDemoScene()
+{
+  if (myContext.IsNull())
+  {
+    return;
+  }
+
+  myView->TriedronDisplay (Aspect_TOTP_LEFT_LOWER, Quantity_NOC_GOLD, 0.08, V3d_WIREFRAME);
+
+  gp_Ax2 anAxis;
+  anAxis.SetLocation (gp_Pnt (0.0, 0.0, 0.0));
+  Handle(AIS_Shape) aBox = new AIS_Shape (BRepPrimAPI_MakeBox (anAxis, 50, 50, 50).Shape());
+  myContext->Display (aBox, AIS_Shaded, 0, false);
+  anAxis.SetLocation (gp_Pnt (25.0, 125.0, 0.0));
+  Handle(AIS_Shape) aCone = new AIS_Shape (BRepPrimAPI_MakeCone (anAxis, 25, 0, 50).Shape());
+  myContext->Display (aCone, AIS_Shaded, 0, false);
+
+  TCollection_AsciiString aGlInfo;
+  {
+    TColStd_IndexedDataMapOfStringString aRendInfo;
+    myView->DiagnosticInformation (aRendInfo, Graphic3d_DiagnosticInfo_Basic);
+    for (TColStd_IndexedDataMapOfStringString::Iterator aValueIter (aRendInfo); aValueIter.More(); aValueIter.Next())
+    {
+      if (!aGlInfo.IsEmpty()) { aGlInfo += "\n"; }
+      aGlInfo += TCollection_AsciiString("  ") + aValueIter.Key() + ": " + aValueIter.Value();
+    }
+  }
+  Message::DefaultMessenger()->Send (TCollection_AsciiString("OpenGL info:\n") + aGlInfo, Message_Info);
+}
+
+// ================================================================
+// Function : mainloop
+// Purpose  :
+// ================================================================
+void GlfwOcctView::mainloop()
+{
+  while (!glfwWindowShouldClose (myOcctWindow->getGlfwWindow()))
+  {
+    // glfwPollEvents() for continuous rendering (immediate return if there are no new events)
+    // and glfwWaitEvents() for rendering on demand (something actually happened in the viewer)
+    //glfwPollEvents();
+    glfwWaitEvents();
+    if (!myView.IsNull())
+    {
+      if (myView->IsInvalidated())
+      {
+        myView->Redraw();
+      }
+      else if (myToRedraw)
+      {
+        myView->RedrawImmediate();
+      }
+      myToRedraw = false;
+    }
+  }
+}
+
+// ================================================================
+// Function : cleanup
+// Purpose  :
+// ================================================================
+void GlfwOcctView::cleanup()
+{
+  if (!myView.IsNull())
+  {
+    myView->Remove();
+  }
+  if (!myOcctWindow.IsNull())
+  {
+    myOcctWindow->Close();
+  }
+  glfwTerminate();
+}
+
+// ================================================================
+// Function : onResize
+// Purpose  :
+// ================================================================
+void GlfwOcctView::onResize (int theWidth, int theHeight)
+{
+  if (theWidth  != 0
+   && theHeight != 0
+   && !myView.IsNull())
+  {
+    myView->Window()->DoResize();
+    myView->MustBeResized();
+    myView->Invalidate();
+    myView->Redraw();
+    //myToRedraw = true;
+  }
+}
+
+// ================================================================
+// Function : onMouseScroll
+// Purpose  :
+// ================================================================
+void GlfwOcctView::onMouseScroll (double theOffsetX, double theOffsetY)
+{
+  if (myView.IsNull()) { return; }
+
+  const Graphic3d_Vec2i aPos = myOcctWindow->CursorPosition();
+  myView->StartZoomAtPoint (aPos.x(), aPos.y());
+  myView->ZoomAtPoint (0, 0, int(theOffsetY * 4.0), int(theOffsetY * 4.0));
+  myView->Invalidate();
+  myToRedraw = true;
+}
+
+// ================================================================
+// Function : onMouseButton
+// Purpose  :
+// ================================================================
+void GlfwOcctView::onMouseButton (int theButton, int theAction, int theMods)
+{
+  if (myView.IsNull()) { return; }
+
+  const Graphic3d_Vec2i aPos = myOcctWindow->CursorPosition();
+  if (theAction != GLFW_PRESS)
+  {
+    myCurAction3d = CurAction3d_Nothing;
+    return;
+  }
+
+  myMouseMin = aPos;
+  myMouseMax = aPos;
+  switch (theButton)
+  {
+    case GLFW_MOUSE_BUTTON_RIGHT:
+    {
+      myCurAction3d = CurAction3d_DynamicRoation;
+      myView->StartRotation (aPos.x(), aPos.y());
+      break;
+    }
+    case GLFW_MOUSE_BUTTON_MIDDLE:
+    {
+      myCurAction3d = CurAction3d_DynamicPanning;
+      break;
+    }
+  }
+}
+
+// ================================================================
+// Function : onMouseMove
+// Purpose  :
+// ================================================================
+void GlfwOcctView::onMouseMove (int thePosX, int thePosY)
+{
+  if (myView.IsNull()) { return; }
+
+  switch (myCurAction3d)
+  {
+    case CurAction3d_DynamicRoation:
+    {
+      myView->Rotation (thePosX, thePosY);
+      myView->Invalidate();
+      myToRedraw = true;
+      break;
+    }
+    case CurAction3d_DynamicPanning:
+    {
+      myView->Pan (thePosX - myMouseMax.x(), -(thePosY - myMouseMax.y()));
+      myView->Invalidate();
+      myToRedraw = true;
+      myMouseMax.SetValues (thePosX, thePosY);
+      break;
+    }
+    default:
+    {
+      myContext->MoveTo (thePosX, thePosY, myView, false);
+      myToRedraw = true;
+      break;
+    }
+  }
+}

samples/glfw/GlfwOcctView.h

@@ -0,0 +1,125 @@
+// Copyright (c) 2019 OPEN CASCADE SAS
+//
+// This file is part of the examples of the Open CASCADE Technology software library.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
+
+#ifndef _GlfwOcctView_Header
+#define _GlfwOcctView_Header
+
+#include "GlfwOcctWindow.h"
+
+#include <AIS_InteractiveContext.hxx>
+#include <V3d_View.hxx>
+
+//! Sample class creating 3D Viewer within GLFW window.
+class GlfwOcctView
+{
+public:
+  enum CurAction3d
+  {
+    CurAction3d_Nothing,
+    CurAction3d_DynamicZooming,
+    CurAction3d_DynamicPanning,
+    CurAction3d_DynamicRoation
+  };
+
+public:
+  //! Default constructor.
+	GlfwOcctView();
+
+  //! Destructor.
+	~GlfwOcctView();
+
+  //! Main application entry point.
+  void run();
+
+private:
+
+  //! Create GLFW window.
+  void initWindow (int theWidth, int theHeight, const char* theTitle);
+
+  //! Create 3D Viewer.
+  void initViewer();
+
+  //! Fill 3D Viewer with a DEMO items.
+  void initDemoScene();
+
+  //! Application event loop.
+  void mainloop();
+
+  //! Clean up before .
+  void cleanup();
+
+//! @name GLWF callbacks
+private:
+  //! Window resize event.
+  void onResize (int theWidth, int theHeight);
+
+  //! Mouse scroll event.
+  void onMouseScroll (double theOffsetX, double theOffsetY);
+
+  //! Mouse click event.
+  void onMouseButton (int theButton, int theAction, int theMods);
+
+  //! Mouse move event.
+  void onMouseMove (int thePosX, int thePosY);
+
+//! @name GLWF callbacks (static functions)
+private:
+
+  //! GLFW callback redirecting messages into Message::DefaultMessenger().
+  static void errorCallback (int theError, const char* theDescription);
+
+  //! Wrapper for glfwGetWindowUserPointer() returning this class instance.
+  static GlfwOcctView* toView (GLFWwindow* theWin);
+
+  //! Window resize callback.
+  static void onResizeCallback (GLFWwindow* theWin, int theWidth, int theHeight)
+  { toView(theWin)->onResize (theWidth, theHeight); }
+
+  //! Frame-buffer resize callback.
+  static void onFBResizeCallback (GLFWwindow* theWin, int theWidth, int theHeight)
+  { toView(theWin)->onResize (theWidth, theHeight); }
+
+  //! Mouse scroll callback.
+  static void onMouseScrollCallback (GLFWwindow* theWin, double theOffsetX, double theOffsetY)
+  { toView(theWin)->onMouseScroll (theOffsetX, theOffsetY); }
+
+  //! Mouse click callback.
+  static void onMouseButtonCallback (GLFWwindow* theWin, int theButton, int theAction, int theMods)
+  { toView(theWin)->onMouseButton (theButton, theAction, theMods); }
+
+  //! Mouse move callback.
+  static void onMouseMoveCallback (GLFWwindow* theWin, double thePosX, double thePosY)
+  { toView(theWin)->onMouseMove ((int )thePosX, (int )thePosY); }
+
+private:
+
+  Handle(GlfwOcctWindow) myOcctWindow;
+  Handle(V3d_View) myView;
+  Handle(AIS_InteractiveContext) myContext;
+
+  CurAction3d myCurAction3d;
+  Graphic3d_Vec2i myMouseMin;
+  Graphic3d_Vec2i myMouseMax;
+  bool myToRedraw;
+
+};
+
+#endif // _GlfwOcctView_Header

samples/glfw/GlfwOcctWindow.cpp

@@ -0,0 +1,161 @@
+// Copyright (c) 2019 OPEN CASCADE SAS
+//
+// This file is part of the examples of the Open CASCADE Technology software library.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
+
+#include "GlfwOcctWindow.h"
+
+#if defined (__APPLE__)
+  #undef Handle // avoid name collisions in macOS headers
+  #define GLFW_EXPOSE_NATIVE_COCOA
+  #define GLFW_EXPOSE_NATIVE_NSGL
+#elif defined (_WIN32)
+  #define GLFW_EXPOSE_NATIVE_WIN32
+  #define GLFW_EXPOSE_NATIVE_WGL
+#else
+  #define GLFW_EXPOSE_NATIVE_X11
+  #define GLFW_EXPOSE_NATIVE_GLX
+#endif
+#include <GLFW/glfw3.h>
+#include <GLFW/glfw3native.h>
+
+// ================================================================
+// Function : GlfwOcctWindow
+// Purpose  :
+// ================================================================
+GlfwOcctWindow::GlfwOcctWindow (int theWidth, int theHeight, const TCollection_AsciiString& theTitle)
+: myGlfwWindow (glfwCreateWindow (theWidth, theHeight, theTitle.ToCString(), NULL, NULL)),
+  myXLeft  (0),
+  myYTop   (0),
+  myXRight (0),
+  myYBottom(0)
+{
+  if (myGlfwWindow != nullptr)
+  {
+    int aWidth = 0, aHeight = 0;
+    glfwGetWindowPos (myGlfwWindow, &myXLeft, &myYTop);
+    glfwGetWindowSize(myGlfwWindow, &aWidth, &aHeight);
+    myXRight  = myXLeft + aWidth;
+    myYBottom = myYTop + aHeight;
+
+  #if !defined(_WIN32) && !defined(__APPLE__)
+    myDisplay = new Aspect_DisplayConnection (glfwGetX11Display());
+  #endif
+  }
+}
+
+// ================================================================
+// Function : Close
+// Purpose  :
+// ================================================================
+void GlfwOcctWindow::Close()
+{
+  if (myGlfwWindow != nullptr)
+  {
+    glfwDestroyWindow (myGlfwWindow);
+    myGlfwWindow = nullptr;
+  }
+}
+
+// ================================================================
+// Function : NativeHandle
+// Purpose  :
+// ================================================================
+Aspect_Drawable GlfwOcctWindow::NativeHandle() const
+{
+#if defined (__APPLE__)
+  return (Aspect_Drawable)glfwGetCocoaWindow (myGlfwWindow);
+#elif defined (_WIN32)
+  return (Aspect_Drawable)glfwGetWin32Window (myGlfwWindow);
+#else
+  return (Aspect_Drawable)glfwGetX11Window (myGlfwWindow);
+#endif
+}
+
+// ================================================================
+// Function : NativeGlContext
+// Purpose  :
+// ================================================================
+Aspect_RenderingContext GlfwOcctWindow::NativeGlContext() const
+{
+#if defined (__APPLE__)
+  return (NSOpenGLContext*)glfwGetNSGLContext (myGlfwWindow);
+#elif defined (_WIN32)
+  return glfwGetWGLContext (myGlfwWindow);
+#else
+  return glfwGetGLXContext (myGlfwWindow);
+#endif
+}
+
+// ================================================================
+// Function : IsMapped
+// Purpose  :
+// ================================================================
+Standard_Boolean GlfwOcctWindow::IsMapped() const
+{
+  return glfwGetWindowAttrib (myGlfwWindow, GLFW_VISIBLE) != 0;
+}
+
+// ================================================================
+// Function : Map
+// Purpose  :
+// ================================================================
+void GlfwOcctWindow::Map() const
+{
+  glfwShowWindow (myGlfwWindow);
+}
+
+// ================================================================
+// Function : Unmap
+// Purpose  :
+// ================================================================
+void GlfwOcctWindow::Unmap() const
+{
+  glfwHideWindow (myGlfwWindow);
+}
+
+// ================================================================
+// Function : DoResize
+// Purpose  :
+// ================================================================
+Aspect_TypeOfResize GlfwOcctWindow::DoResize() const
+{
+  if (glfwGetWindowAttrib (myGlfwWindow, GLFW_VISIBLE) == 1)
+  {
+    int anXPos = 0, anYPos = 0, aWidth = 0, aHeight = 0;
+    glfwGetWindowPos (myGlfwWindow, &anXPos, &anYPos);
+    glfwGetWindowSize(myGlfwWindow, &aWidth, &aHeight);
+    *const_cast<Standard_Integer*>(&myXLeft  ) = anXPos;
+    *const_cast<Standard_Integer*>(&myXRight ) = anXPos + aWidth;
+    *const_cast<Standard_Integer*>(&myYTop   ) = anYPos;
+    *const_cast<Standard_Integer*>(&myYBottom) = anYPos + aHeight;
+  }
+  return Aspect_TOR_UNKNOWN;
+}
+
+// ================================================================
+// Function : CursorPosition
+// Purpose  :
+// ================================================================
+Graphic3d_Vec2i GlfwOcctWindow::CursorPosition() const
+{
+  Graphic3d_Vec2d aPos;
+  glfwGetCursorPos (myGlfwWindow, &aPos.x(), &aPos.y());
+  return Graphic3d_Vec2i ((int )aPos.x(), (int )aPos.y());
+}

samples/glfw/GlfwOcctWindow.h

@@ -0,0 +1,115 @@
+// Copyright (c) 2019 OPEN CASCADE SAS
+//
+// This file is part of the examples of the Open CASCADE Technology software library.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
+
+#ifndef _GlfwOcctWindow_Header
+#define _GlfwOcctWindow_Header
+
+#include <Aspect_DisplayConnection.hxx>
+#include <Aspect_RenderingContext.hxx>
+#include <Aspect_Window.hxx>
+#include <Graphic3d_Vec.hxx>
+#include <TCollection_AsciiString.hxx>
+
+struct GLFWwindow;
+
+//! GLFWwindow wrapper implementing Aspect_Window interface.
+class GlfwOcctWindow : public Aspect_Window
+{
+  DEFINE_STANDARD_RTTI_INLINE(GlfwOcctWindow, Aspect_Window)
+public:
+  //! Main constructor.
+  GlfwOcctWindow (int theWidth, int theHeight, const TCollection_AsciiString& theTitle);
+
+  //! Close the window.
+  virtual ~GlfwOcctWindow() { Close(); }
+
+  //! Close the window.
+  void Close();
+
+  //! Return X Display connection.
+  const Handle(Aspect_DisplayConnection)& GetDisplay() const { return myDisplay; }
+
+  //! Return GLFW window.
+  GLFWwindow* getGlfwWindow() { return myGlfwWindow; }
+
+  //! Return native OpenGL context.
+  Aspect_RenderingContext NativeGlContext() const;
+
+  //! Return cursor position.
+  Graphic3d_Vec2i CursorPosition() const;
+
+public:
+
+  //! Returns native Window handle
+  virtual Aspect_Drawable NativeHandle() const Standard_OVERRIDE;
+
+  //! Returns parent of native Window handle.
+  virtual Aspect_Drawable NativeParentHandle() const Standard_OVERRIDE { return 0; }
+
+  //! Applies the resizing to the window <me>
+  virtual Aspect_TypeOfResize DoResize() const Standard_OVERRIDE;
+
+  //! Returns True if the window <me> is opened and False if the window is closed.
+  virtual Standard_Boolean IsMapped() const Standard_OVERRIDE;
+
+  //! Apply the mapping change to the window <me> and returns TRUE if the window is mapped at screen.
+  virtual Standard_Boolean DoMapping() const Standard_OVERRIDE { return Standard_True; }
+
+  //! Opens the window <me>.
+  virtual void Map() const Standard_OVERRIDE;
+
+  //! Closes the window <me>.
+  virtual void Unmap() const Standard_OVERRIDE;
+
+  virtual void Position (Standard_Integer& theX1, Standard_Integer& theY1,
+                         Standard_Integer& theX2, Standard_Integer& theY2) const Standard_OVERRIDE
+  {
+    theX1 = myXLeft;
+    theX2 = myXRight;
+    theY1 = myYTop;
+    theY2 = myYBottom;
+  }
+
+  //! Returns The Window RATIO equal to the physical WIDTH/HEIGHT dimensions.
+  virtual Standard_Real Ratio() const Standard_OVERRIDE
+  {
+    return Standard_Real (myXRight - myXLeft) / Standard_Real (myYBottom - myYTop);
+  }
+
+  //! Return window size.
+  virtual void Size (Standard_Integer& theWidth, Standard_Integer& theHeight) const Standard_OVERRIDE
+  {
+    theWidth  = myXRight - myXLeft;
+    theHeight = myYBottom - myYTop;
+  }
+
+  virtual Aspect_FBConfig NativeFBConfig() const Standard_OVERRIDE { return NULL; }
+
+protected:
+  Handle(Aspect_DisplayConnection) myDisplay;
+  GLFWwindow*      myGlfwWindow;
+  Standard_Integer myXLeft;
+  Standard_Integer myYTop;
+  Standard_Integer myXRight;
+  Standard_Integer myYBottom;
+};
+
+#endif // _GlfwOcctWindow_Header

samples/glfw/main.cpp

@@ -0,0 +1,37 @@
+// Copyright (c) 2019 OPEN CASCADE SAS
+//
+// This file is part of the examples of the Open CASCADE Technology software library.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
+
+#include "GlfwOcctView.h"
+
+int main (int, char**)
+{
+  GlfwOcctView anApp;
+  try
+  {
+    anApp.run();
+  }
+  catch (const std::runtime_error& theError)
+  {
+    std::cerr << theError.what() << std::endl;
+    return EXIT_FAILURE;
+  }
+  return 0;
+}

samples/glfw/readme.md

@@ -0,0 +1,4 @@
+A sample demonstrating usage of OCCT 3D Viewer within a window created using GLFW.
+
+Platforms: Windows, macOS, Linux
+Required: glfw

samples/mfc/standard/05_ImportExport/adm/win/vc10/ImportExport.vcxproj

@@ -116,7 +116,7 @@
       <Culture>0x0409</Culture>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKV3d.lib;TKOpenGl.lib;mfcsample.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKV3d.lib;TKOpenGl.lib;TKLCAF.lib;mfcsample.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>../../../../win32\$(VCFMT)\bin/ImportExport.exe</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\..\win32\$(VCFMT)\lib;$(CSF_OCCTLibPath);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -158,7 +158,7 @@
       <Culture>0x0409</Culture>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKV3d.lib;TKOpenGl.lib;mfcsample.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKV3d.lib;TKOpenGl.lib;TKLCAF.lib;mfcsample.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>../../../../win64\$(VCFMT)\bin/ImportExport.exe</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\..\win64\$(VCFMT)\lib;$(CSF_OCCTLibPath);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -199,7 +199,7 @@
       <Culture>0x0409</Culture>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKV3d.lib;TKOpenGl.lib;mfcsample.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKV3d.lib;TKOpenGl.lib;TKLCAF.lib;mfcsample.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>../../../../win32\$(VCFMT)\bind/ImportExport.exe</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\..\win32\$(VCFMT)\libd;$(CSF_OCCTLibPath);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -241,7 +241,7 @@
       <Culture>0x0409</Culture>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKV3d.lib;TKOpenGl.lib;mfcsample.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKV3d.lib;TKOpenGl.lib;TKLCAF.lib;mfcsample.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>../../../../win64\$(VCFMT)\bind/ImportExport.exe</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>..\..\..\..\win64\$(VCFMT)\libd;$(CSF_OCCTLibPath);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>

samples/mfc/standard/mfcsample/adm/win/vc10/mfcsample.vcxproj

@@ -115,7 +115,7 @@
       <Culture>0x0409</Culture>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKMesh.lib;TKV3d.lib;TKOpenGl.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKMesh.lib;TKV3d.lib;TKOpenGl.lib;TKLCAF.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>../../../../win32\$(VCFMT)\bind/mfcsample.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>$(CSF_OCCTLibPath);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -158,7 +158,7 @@
       <Culture>0x0409</Culture>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKMesh.lib;TKV3d.lib;TKOpenGl.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKMesh.lib;TKV3d.lib;TKOpenGl.lib;TKLCAF.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>../../../../win64\$(VCFMT)\bind/mfcsample.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>$(CSF_OCCTLibPath);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -202,7 +202,7 @@
       <Culture>0x0409</Culture>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKMesh.lib;TKV3d.lib;TKOpenGl.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKMesh.lib;TKV3d.lib;TKOpenGl.lib;TKLCAF.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>../../../../win32\$(VCFMT)\bin/mfcsample.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>$(CSF_OCCTLibPath);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -246,7 +246,7 @@
       <ResourceOutputFileName>$(IntDir)%(Filename).res</ResourceOutputFileName>
     </ResourceCompile>
     <Link>
-      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKMesh.lib;TKV3d.lib;TKOpenGl.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>TKVCAF.lib;TKVrml.lib;TKStl.lib;TKBrep.lib;TKIGES.lib;TKShHealing.lib;TKStep.lib;TKXSBase.lib;TKBool.lib;TKCAF.lib;TKCDF.lib;TKernel.lib;TKFeat.lib;TKFillet.lib;TKG2d.lib;TKG3d.lib;TKGeomAlgo.lib;TKGeomBase.lib;TKHLR.lib;TKMath.lib;TKOffset.lib;TKPrim.lib;TKService.lib;TKTopAlgo.lib;TKMesh.lib;TKV3d.lib;TKOpenGl.lib;TKLCAF.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>../../../../win64\$(VCFMT)\bin/mfcsample.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <AdditionalLibraryDirectories>$(CSF_OCCTLibPath);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>

samples/qt/AndroidQt/ReadMe.md

@@ -14,9 +14,9 @@ Requirements for building sample:
 * Android NDK r9d or newer
 * Apache Ant 1.9.4 or higher
 * OCCT compiled under Android platform and placed in directories:
-  * occt/libs/armeabi-v7a/*.so and occt/inc/*.hxx (libraries and include files of OCCT install)
-  * android/assets/opencascade/shared/Shaders/* (Shaders folder of OCCT install: /share/opencascade/resources/Shaders)
-  * 3rdparty/include/freetype2/*, 3rdparty/include/FreeImage.h and 3rdparty/libs/armeabi-v7a/libFreeImage.so and 3rdparty/libs/armeabi-v7a/libfreetype.so
+  * occt/libs/armeabi-v7a/\*.so and occt/inc/\*.hxx (libraries and include files of OCCT install)
+  * android/assets/opencascade/shared/Shaders/\* (Shaders folder of OCCT install: /share/opencascade/resources/Shaders)
+  * 3rdparty/include/freetype2/\*, 3rdparty/include/FreeImage.h and 3rdparty/libs/armeabi-v7a/libFreeImage.so and 3rdparty/libs/armeabi-v7a/libfreetype.so
 
 It is also possible to to correct OCCT.pri file an get resources from another tree of directories.
 

samples/qt/FuncDemo/FuncDemo.pro

@@ -44,13 +44,13 @@ unix {
 win32 {
     CONFIG(debug, debug|release) {
         DEFINES += _DEBUG
-        DESTDIR = ./win$(ARCH)/$(VCVER)/bind
-        OBJECTS_DIR = ./win$(ARCH)/$(VCVER)/objd
+        DESTDIR = ./win$$(ARCH)/$$(VCVER)/bind
+        OBJECTS_DIR = ./win$$(ARCH)/$$(VCVER)/objd
         MOC_DIR = ./src
     } else {
         DEFINES += NDEBUG
-        DESTDIR = ./win$(ARCH)/$(VCVER)/bin
-        OBJECTS_DIR = ./win$(ARCH)/$(VCVER)/obj
+        DESTDIR = ./win$$(ARCH)/$$(VCVER)/bin
+        OBJECTS_DIR = ./win$$(ARCH)/$$(VCVER)/obj
         MOC_DIR = ./src
     }
     LIBS = -L$$(QTDIR)/lib;$$(CSF_OCCTLibPath)

samples/qt/IESample/IESample.pro

@@ -58,14 +58,14 @@ unix {
 win32 {
     CONFIG(debug, debug|release) {
         DEFINES += _DEBUG
-        DESTDIR = ./win$(ARCH)/$(VCVER)/bind
-        OBJECTS_DIR = ./win$(ARCH)/$(VCVER)/objd
-        MOC_DIR = ./win$(ARCH)/$(VCVER)/mocd
+        DESTDIR = ./win$$(ARCH)/$$(VCVER)/bind
+        OBJECTS_DIR = ./win$$(ARCH)/$$(VCVER)/objd
+        MOC_DIR = ./win$$(ARCH)/$$(VCVER)/mocd
     } else {
         DEFINES += NDEBUG
-        DESTDIR = ./win$(ARCH)/$(VCVER)/bin
-        OBJECTS_DIR = ./win$(ARCH)/$(VCVER)/obj
-        MOC_DIR = ./win$(ARCH)/$(VCVER)/moc
+        DESTDIR = ./win$$(ARCH)/$$(VCVER)/bin
+        OBJECTS_DIR = ./win$$(ARCH)/$$(VCVER)/obj
+        MOC_DIR = ./win$$(ARCH)/$$(VCVER)/moc
     }
     LIBS = -L$$(QTDIR)/lib;$$(CSF_OCCTLibPath)
     DEFINES += NO_COMMONSAMPLE_EXPORTS NO_IESAMPLE_EXPORTS
@@ -75,7 +75,7 @@ LIBS += -lTKernel -lTKMath -lTKService -lTKV3d -lTKOpenGl \
         -lTKBRep -lTKIGES -lTKSTL -lTKVRML -lTKSTEP -lTKSTEPAttr -lTKSTEP209 \
         -lTKSTEPBase -lTKGeomBase -lTKGeomAlgo -lTKG3d -lTKG2d \
         -lTKXSBase -lTKShHealing -lTKHLR -lTKTopAlgo -lTKMesh -lTKPrim \
-        -lTKCDF -lTKBool -lTKBO -lTKFillet -lTKOffset \
+        -lTKCDF -lTKBool -lTKBO -lTKFillet -lTKOffset -lTKLCAF \
 
 !exists($${RES_DIR}) {
     win32 {

samples/qt/Tutorial/Tutorial.pro

@@ -61,14 +61,14 @@ unix {
 win32 {
     CONFIG(debug, debug|release) {
         DEFINES += _DEBUG
-        DESTDIR = ./win$(ARCH)/$(VCVER)/bind
-        OBJECTS_DIR = ./win$(ARCH)/$(VCVER)/objd
-        MOC_DIR = ./win$(ARCH)/$(VCVER)/mocd
+        DESTDIR = ./win$$(ARCH)/$$(VCVER)/bind
+        OBJECTS_DIR = ./win$$(ARCH)/$$(VCVER)/objd
+        MOC_DIR = ./win$$(ARCH)/$$(VCVER)/mocd
     } else {
         DEFINES += NDEBUG
-        DESTDIR = ./win$(ARCH)/$(VCVER)/bin
-        OBJECTS_DIR = ./win$(ARCH)/$(VCVER)/obj
-        MOC_DIR = ./win$(ARCH)/$(VCVER)/moc
+        DESTDIR = ./win$$(ARCH)/$$(VCVER)/bin
+        OBJECTS_DIR = ./win$$(ARCH)/$$(VCVER)/obj
+        MOC_DIR = ./win$$(ARCH)/$$(VCVER)/moc
     }
     LIBS = -L$$(QTDIR)/lib;$$(CSF_OCCTLibPath)
     DEFINES += NO_COMMONSAMPLE_EXPORTS NO_IESAMPLE_EXPORTS
@@ -78,7 +78,7 @@ LIBS += -lTKernel -lTKMath -lTKService -lTKV3d -lTKOpenGl \
         -lTKBRep -lTKIGES -lTKSTL -lTKVRML -lTKSTEP -lTKSTEPAttr -lTKSTEP209 \
         -lTKSTEPBase -lTKGeomBase -lTKGeomAlgo -lTKG3d -lTKG2d \
         -lTKXSBase -lTKShHealing -lTKHLR -lTKTopAlgo -lTKMesh -lTKPrim \
-        -lTKCDF -lTKBool -lTKBO -lTKFillet -lTKOffset \
+        -lTKCDF -lTKBool -lTKBO -lTKFillet -lTKOffset -lTKLCAF \
 
 !exists($${RES_DIR}) {
     win32 {

samples/tcl/ANC101.tcl

@@ -277,7 +277,6 @@ blend result _model 2 _model_161
 pload VISUALIZATION
 vinit Driver1/Viewer1/View1
 vsetcolorbg 200 200 255
-vdisplay result
+vdisplay -dispMode 1 result
 vfit
-vsetdispmode 1
-vshowfaceboundary result 1
+vaspects result -setFaceBoundaryDraw 1 -mostContinuity c2

samples/tcl/MBBGehauseRohteil.tcl

@@ -263,7 +263,6 @@ unifysamedom result  p_1
 pload VISUALIZATION
 vinit Driver1/Viewer1/View1
 vsetcolorbg 200 200 255
-vdisplay result
+vdisplay -dispMode 1 result
 vfit
-vsetdispmode 1
-vshowfaceboundary result 1
+vaspects result -setFaceBoundaryDraw 1

samples/tcl/cad.tcl

@@ -57,9 +57,7 @@ bcommon res b9 c2
 # show result
 donly res
 trotate res 0 0 0 0 0 1 90
-vinit
-vdisplay res
-vsetdispmode 1
-vshowfaceboundary res 1 255 255 255
-vaspects -isoontriangulation 1
+vinit View1
+vdisplay -dispMode 1 res
+vaspects res -setFaceBoundaryDraw 1 -setFaceBoundaryColor WHITE -isoontriangulation 1
 vfit

src/AIS/AIS_CameraFrustum.cxx

@@ -0,0 +1,285 @@
+// Created on: 2018-12-12
+// Created by: Olga SURYANINOVA
+// Copyright (c) 2018 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <AIS_CameraFrustum.hxx>
+
+#include <AIS_DisplayMode.hxx>
+#include <Graphic3d_ArrayOfTriangles.hxx>
+#include <Graphic3d_ArrayOfSegments.hxx>
+#include <Prs3d_LineAspect.hxx>
+#include <Prs3d_ShadingAspect.hxx>
+#include <Select3D_SensitiveGroup.hxx>
+#include <Select3D_SensitivePrimitiveArray.hxx>
+#include <Select3D_SensitiveSegment.hxx>
+#include <SelectMgr_EntityOwner.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(AIS_CameraFrustum, AIS_InteractiveObject)
+
+namespace
+{
+  static const Standard_ShortReal THE_DEFAULT_TRANSPARENCY = 0.7f;
+  static const Quantity_Color     THE_DEFAULT_COLOR = Quantity_NOC_WHITE;
+}
+
+//=======================================================================
+//function : Constructor
+//purpose  :
+//=======================================================================
+AIS_CameraFrustum::AIS_CameraFrustum()
+: myPoints (0, Graphic3d_Camera::FrustumVerticesNB)
+{
+  myDrawer->SetLineAspect (new Prs3d_LineAspect (THE_DEFAULT_COLOR, Aspect_TOL_SOLID, 1.0));
+
+  Handle(Prs3d_ShadingAspect) aShadingAspect = new Prs3d_ShadingAspect();
+  aShadingAspect->SetMaterial (Graphic3d_NOM_PLASTIC);
+  aShadingAspect->Aspect()->SetAlphaMode (Graphic3d_AlphaMode_Blend);
+  aShadingAspect->SetTransparency (THE_DEFAULT_TRANSPARENCY);
+  aShadingAspect->SetColor (THE_DEFAULT_COLOR);
+  myDrawer->SetShadingAspect (aShadingAspect);
+
+  myDrawer->SetTransparency (THE_DEFAULT_TRANSPARENCY);
+  SetDisplayMode (AIS_Shaded);
+}
+
+//=======================================================================
+//function : AcceptDisplayMode
+//purpose  :
+//=======================================================================
+Standard_Boolean AIS_CameraFrustum::AcceptDisplayMode (const Standard_Integer theMode) const
+{
+  return theMode == AIS_Shaded || theMode == AIS_WireFrame;
+}
+
+//=======================================================================
+//function : SetCameraFrustum
+//purpose  :
+//=======================================================================
+void AIS_CameraFrustum::SetCameraFrustum (const Handle(Graphic3d_Camera)& theCamera)
+{
+  if (theCamera.IsNull())
+  {
+    return;
+  }
+
+  theCamera->FrustumPoints (myPoints);
+
+  fillTriangles();
+  fillBorders();
+
+  SetToUpdate();
+}
+
+//=======================================================================
+//function : SetColor
+//purpose  :
+//=======================================================================
+void AIS_CameraFrustum::SetColor (const Quantity_Color& theColor)
+{
+  AIS_InteractiveObject::SetColor (theColor);
+  myDrawer->ShadingAspect()->SetColor (theColor);
+  myDrawer->LineAspect()->SetColor (theColor);
+}
+
+//=======================================================================
+//function : UnsetColor
+//purpose  :
+//=======================================================================
+void AIS_CameraFrustum::UnsetColor()
+{
+  if (!HasColor())
+  {
+    return;
+  }
+
+  AIS_InteractiveObject::UnsetColor();
+
+  myDrawer->ShadingAspect()->SetColor (THE_DEFAULT_COLOR);
+  myDrawer->LineAspect()->SetColor (THE_DEFAULT_COLOR);
+}
+
+//=======================================================================
+//function : UnsetColor
+//purpose  :
+//=======================================================================
+void AIS_CameraFrustum::UnsetTransparency()
+{
+  myDrawer->ShadingAspect()->SetTransparency (0.0f);
+  myDrawer->SetTransparency (0.0f);
+}
+
+//=======================================================================
+//function : fillTriangles
+//purpose  :
+//=======================================================================
+void AIS_CameraFrustum::fillTriangles()
+{
+  if (myTriangles.IsNull())
+  {
+    const Standard_Integer aPlaneTriangleVertsNb = 2 * 3;
+    const Standard_Integer aPlanesNb             = 3 * 2;
+
+    myTriangles = new Graphic3d_ArrayOfTriangles (Graphic3d_Camera::FrustumVerticesNB, aPlaneTriangleVertsNb * aPlanesNb);
+    myTriangles->SetVertice (Graphic3d_Camera::FrustumVerticesNB, gp_Pnt (0.0, 0.0, 0.0));
+
+    // Triangles go in order (clockwise vertices traversing for correct normal):
+    // (0, 2, 1), (3, 1, 2)
+    const Standard_Integer aLookup1_clockwise[]     = { 0, 1, 0, 1, 0, 1 };
+    const Standard_Integer aLookup2_clockwise[]     = { 0, 0, 1, 1, 1, 0 };
+    // Triangles go in order (counterclockwise vertices traversing for correct normal):
+    // (1, 2, 0), (2, 1, 3)
+    const Standard_Integer aLookup1_anticlockwise[] = { 0, 1, 0, 1, 0, 1 };
+    const Standard_Integer aLookup2_anticlockwise[] = { 1, 0, 0, 0, 1, 1 };
+    Standard_Integer aShifts[]        = { 0, 0, 0 };
+
+    // Planes go in order:
+    // LEFT, RIGHT, BOTTOM, TOP, NEAR, FAR
+    for (Standard_Integer aFaceIdx = 0; aFaceIdx < 3; ++aFaceIdx)
+    {
+      for (Standard_Integer i = 0; i < 2; ++i)
+      {
+        for (Standard_Integer aPntIter = 0; aPntIter < aPlaneTriangleVertsNb; ++aPntIter)
+        {
+          aShifts[aFaceIdx] = i;
+          if (i == 0)
+          {
+            aShifts[(aFaceIdx + 1) % 3] = aLookup1_clockwise[aPntIter];
+            aShifts[(aFaceIdx + 2) % 3] = aLookup2_clockwise[aPntIter];
+          }
+          else
+          {
+            aShifts[(aFaceIdx + 1) % 3] = aLookup1_anticlockwise[aPntIter];
+            aShifts[(aFaceIdx + 2) % 3] = aLookup2_anticlockwise[aPntIter];
+          }
+
+          Standard_Integer anIndex = aShifts[0] * 2 * 2 + aShifts[1] * 2 + aShifts[2];
+          myTriangles->AddEdge (anIndex + 1);
+        }
+      }
+    }
+  }
+
+  for (Standard_Integer aPointIter = 0; aPointIter < Graphic3d_Camera::FrustumVerticesNB; ++aPointIter)
+  {
+    const Graphic3d_Vec3d aPnt = myPoints[aPointIter];
+    myTriangles->SetVertice (aPointIter + 1, gp_Pnt (aPnt.x(), aPnt.y(), aPnt.z()));
+  }
+}
+
+//=======================================================================
+//function : fillBorders
+//purpose  :
+//=======================================================================
+void AIS_CameraFrustum::fillBorders()
+{
+  if (myBorders.IsNull())
+  {
+    const Standard_Integer aPlaneSegmVertsNb = 2 * 4;
+    const Standard_Integer aPlanesNb         = 3 * 2;
+    myBorders = new Graphic3d_ArrayOfSegments (Graphic3d_Camera::FrustumVerticesNB, aPlaneSegmVertsNb * aPlanesNb);
+    myBorders->SetVertice (Graphic3d_Camera::FrustumVerticesNB, gp_Pnt (0.0, 0.0, 0.0));
+
+    // Segments go in order:
+    // (0, 2), (2, 3), (3, 1), (1, 0)
+    const Standard_Integer aLookup1[] = { 0, 1, 1, 1, 1, 0, 0, 0 };
+    const Standard_Integer aLookup2[] = { 0, 0, 0, 1, 1, 1, 1, 0 };
+    Standard_Integer aShifts[] = { 0, 0, 0 };
+
+    // Planes go in order:
+    // LEFT, RIGHT, BOTTOM, TOP, NEAR, FAR
+    for (Standard_Integer aFaceIdx = 0; aFaceIdx < 3; ++aFaceIdx)
+    {
+      for (Standard_Integer i = 0; i < 2; ++i)
+      {
+        for (Standard_Integer aSegmVertIter = 0; aSegmVertIter < aPlaneSegmVertsNb; ++aSegmVertIter)
+        {
+          aShifts[aFaceIdx] = i;
+          aShifts[(aFaceIdx + 1) % 3] = aLookup1[aSegmVertIter];
+          aShifts[(aFaceIdx + 2) % 3] = aLookup2[aSegmVertIter];
+
+          Standard_Integer anIndex = aShifts[0] * 2 * 2 + aShifts[1] * 2 + aShifts[2];
+          myBorders->AddEdge (anIndex + 1);
+        }
+      }
+    }
+  }
+
+  for (Standard_Integer aPointIter = 0; aPointIter < Graphic3d_Camera::FrustumVerticesNB; ++aPointIter)
+  {
+    const Graphic3d_Vec3d aPnt = myPoints[aPointIter];
+    myBorders->SetVertice (aPointIter + 1, gp_Pnt (aPnt.x(), aPnt.y(), aPnt.z()));
+  }
+}
+
+//=======================================================================
+//function : Compute
+//purpose  :
+//=======================================================================
+void AIS_CameraFrustum::Compute (const Handle(PrsMgr_PresentationManager3d)& ,
+                                 const Handle(Prs3d_Presentation)&           thePrs,
+                                 const Standard_Integer                      theMode)
+{
+  thePrs->SetInfiniteState (true);
+  if (myTriangles.IsNull())
+  {
+    return;
+  }
+
+  Handle(Graphic3d_Group) aGroup = thePrs->NewGroup();
+  switch (theMode)
+  {
+    case AIS_Shaded:
+    {
+      aGroup->SetGroupPrimitivesAspect (myDrawer->ShadingAspect()->Aspect());
+      aGroup->AddPrimitiveArray (myTriangles);
+    }
+    Standard_FALLTHROUGH
+    case AIS_WireFrame:
+    {
+      aGroup->SetGroupPrimitivesAspect (myDrawer->LineAspect()->Aspect());
+      aGroup->AddPrimitiveArray (myBorders);
+      break;
+    }
+  }
+}
+
+//=======================================================================
+//function : ComputeSelection
+//purpose  :
+//=======================================================================
+void AIS_CameraFrustum::ComputeSelection (const Handle(SelectMgr_Selection)& theSelection,
+                                          const Standard_Integer             theMode)
+{
+  Handle(SelectMgr_EntityOwner) anOwner = new SelectMgr_EntityOwner (this);
+  switch (theMode)
+  {
+    case SelectionMode_Edges:
+    {
+      Handle(Select3D_SensitiveGroup) aSensitiveEntity = new Select3D_SensitiveGroup (anOwner);
+      for (Standard_Integer anIter = 1; anIter <= myBorders->EdgeNumber(); anIter += 2)
+      {
+        aSensitiveEntity->Add (new Select3D_SensitiveSegment (anOwner, myBorders->Vertice (myBorders->Edge (anIter)), myBorders->Vertice(myBorders->Edge (anIter + 1))));
+      }
+      theSelection->Add (aSensitiveEntity);
+      break;
+    }
+    case SelectionMode_Volume:
+    {
+      Handle(Select3D_SensitivePrimitiveArray) aSelArray = new Select3D_SensitivePrimitiveArray (anOwner);
+      aSelArray->InitTriangulation (myTriangles->Attributes(), myTriangles->Indices(), TopLoc_Location());
+      theSelection->Add (aSelArray);
+      break;
+    }
+  }
+}

src/AIS/AIS_CameraFrustum.hxx

@@ -0,0 +1,85 @@
+// Created on: 2018-12-12
+// Created by: Olga SURYANINOVA
+// Copyright (c) 2018 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _AIS_CameraFrustum_HeaderFile
+#define _AIS_CameraFrustum_HeaderFile
+
+#include <AIS_InteractiveObject.hxx>
+
+class Graphic3d_ArrayOfSegments;
+class Graphic3d_ArrayOfTriangles;
+
+//! Presentation for drawing camera frustum.
+//! Default configuration is built with filling and some transparency.
+class AIS_CameraFrustum : public AIS_InteractiveObject
+{
+  DEFINE_STANDARD_RTTIEXT(AIS_CameraFrustum, AIS_InteractiveObject)
+public:
+
+  //! Selection modes supported by this object
+  enum SelectionMode
+  {
+    SelectionMode_Edges  = 0, //!< detect by edges (default)
+    SelectionMode_Volume = 1, //!< detect by volume
+  };
+
+public:
+
+  //! Constructs camera frustum with default configuration.
+  Standard_EXPORT AIS_CameraFrustum();
+
+  //! Sets camera frustum.
+  Standard_EXPORT void SetCameraFrustum (const Handle(Graphic3d_Camera)& theCamera);
+
+  //! Setup custom color.
+  Standard_EXPORT virtual void SetColor (const Quantity_Color& theColor) Standard_OVERRIDE;
+
+  //! Restore default color.
+  Standard_EXPORT virtual void UnsetColor() Standard_OVERRIDE;
+
+  //! Restore transparency setting.
+  Standard_EXPORT virtual void UnsetTransparency() Standard_OVERRIDE;
+
+  //! Return true if specified display mode is supported.
+  Standard_EXPORT virtual Standard_Boolean AcceptDisplayMode (const Standard_Integer theMode) const Standard_OVERRIDE;
+
+protected:
+
+  //! Computes presentation of camera frustum.
+  Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
+                                        const Handle(Prs3d_Presentation)&           thePrs,
+                                        const Standard_Integer                      theMode) Standard_OVERRIDE;
+
+  //! Compute selection.
+  Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& theSelection,
+                                                 const Standard_Integer             theMode) Standard_OVERRIDE;
+
+private:
+
+  //! Fills triangles primitive array for camera frustum filling.
+  void fillTriangles();
+
+  //! Fills polylines primitive array for camera frustum borders.
+  void fillBorders();
+
+protected:
+
+  NCollection_Array1<Graphic3d_Vec3d> myPoints;    //!< Array of points
+  Handle(Graphic3d_ArrayOfTriangles)  myTriangles; //!< Triangles for camera frustum filling
+  Handle(Graphic3d_ArrayOfSegments)   myBorders;   //!< Segments for camera frustum borders
+
+};
+
+#endif // _AIS_CameraFrustum_HeaderFile

src/AIS/AIS_ColorScale.cxx

@@ -107,6 +107,10 @@ AIS_ColorScale::AIS_ColorScale()
   myTextHeight (20)
 {
   SetDisplayMode (0);
+  myDrawer->SetupOwnShadingAspect();
+  myDrawer->ShadingAspect()->Aspect()->SetShadingModel (Graphic3d_TOSM_UNLIT);
+  myDrawer->ShadingAspect()->Aspect()->SetAlphaMode (Graphic3d_AlphaMode_Opaque);
+  myDrawer->ShadingAspect()->Aspect()->SetInteriorColor (Quantity_NOC_WHITE);
 }
 
 //=======================================================================
@@ -458,15 +462,6 @@ void AIS_ColorScale::Compute (const Handle(PrsMgr_PresentationManager3d)& ,
   const Standard_Integer aBarTop     = myYPos + myHeight - aTitleOffset - aBarYOffset;
   const Standard_Integer aBarHeight  = aBarTop - aBarBottom;
 
-  // draw title
-  if (!myTitle.IsEmpty())
-  {
-    drawText (Prs3d_Root::CurrentGroup (thePrs), myTitle,
-              myXPos + mySpacing,
-              aBarTop + aBarYOffset,
-              Graphic3d_VTA_BOTTOM);
-  }
-
   TColStd_SequenceOfExtendedString aLabels;
   if (myLabelType == Aspect_TOCSD_USER)
   {
@@ -496,11 +491,27 @@ void AIS_ColorScale::Compute (const Handle(PrsMgr_PresentationManager3d)& ,
     aColorBreadth += aTextWidth;
   }
 
+  // draw title
+  Handle(Graphic3d_Group) aLabelsGroup;
+  if (!myTitle.IsEmpty()
+   || !aLabels.IsEmpty())
+  {
+    aLabelsGroup = thePrs->NewGroup();
+    aLabelsGroup->SetGroupPrimitivesAspect (myDrawer->TextAspect()->Aspect());
+  }
+  if (!myTitle.IsEmpty())
+  {
+    drawText (aLabelsGroup, myTitle,
+              myXPos + mySpacing,
+              aBarTop + aBarYOffset,
+              Graphic3d_VTA_BOTTOM);
+  }
+
   // draw colors
   drawColorBar (thePrs, aBarBottom, aBarHeight, aTextWidth, aColorBreadth);
 
   // draw Labels
-  drawLabels (thePrs, aLabels, aBarBottom, aBarHeight, aTextWidth, aColorBreadth);
+  drawLabels (aLabelsGroup, aLabels, aBarBottom, aBarHeight, aTextWidth, aColorBreadth);
 }
 
 //=======================================================================
@@ -627,7 +638,8 @@ void AIS_ColorScale::drawColorBar (const Handle(Prs3d_Presentation)& thePrs,
     }
   }
 
-  Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup (thePrs);
+  Handle(Graphic3d_Group) aGroup = thePrs->NewGroup();
+  aGroup->SetGroupPrimitivesAspect (myDrawer->ShadingAspect()->Aspect());
   aGroup->AddPrimitiveArray (aTriangles);
 
   const Quantity_Color aFgColor (hasOwnColor ? myDrawer->Color() : Quantity_NOC_WHITE);
@@ -642,7 +654,7 @@ void AIS_ColorScale::drawColorBar (const Handle(Prs3d_Presentation)& thePrs,
 //function : drawLabels
 //purpose  :
 //=======================================================================
-void AIS_ColorScale::drawLabels (const Handle(Prs3d_Presentation)& thePrs,
+void AIS_ColorScale::drawLabels (const Handle(Graphic3d_Group)& theGroup,
                                  const TColStd_SequenceOfExtendedString& theLabels,
                                  const Standard_Integer theBarBottom,
                                  const Standard_Integer theBarHeight,
@@ -716,14 +728,14 @@ void AIS_ColorScale::drawLabels (const Handle(Prs3d_Presentation)& thePrs,
     Standard_Integer aPos2 = aNbLabels - 1 - i2;
     if (aFilter && !(aPos1 % aFilter))
     {
-      drawText (Prs3d_Root::CurrentGroup (thePrs), theLabels.Value (i1 + 1),
+      drawText (theGroup, theLabels.Value (i1 + 1),
                 anXLeft, anYBottom + Standard_Integer(i1 * aStepY + anAscent),
                 Graphic3d_VTA_CENTER);
       aLast1 = i1;
     }
     if (aFilter && !(aPos2 % aFilter))
     {
-      drawText (Prs3d_Root::CurrentGroup (thePrs), theLabels.Value (i2 + 1),
+      drawText (theGroup, theLabels.Value (i2 + 1),
                 anXLeft, anYBottom + Standard_Integer(i2 * aStepY + anAscent),
                 Graphic3d_VTA_CENTER);
       aLast2 = i2;
@@ -746,7 +758,7 @@ void AIS_ColorScale::drawLabels (const Handle(Prs3d_Presentation)& thePrs,
 
   if (i0 != -1)
   {
-    drawText (Prs3d_Root::CurrentGroup (thePrs), theLabels.Value (i0 + 1),
+    drawText (theGroup, theLabels.Value (i0 + 1),
               anXLeft, anYBottom + Standard_Integer(i0 * aStepY + anAscent),
               Graphic3d_VTA_CENTER);
   }
@@ -769,8 +781,8 @@ void AIS_ColorScale::drawFrame (const Handle(Prs3d_Presentation)& thePrs,
   aPrim->AddVertex (theX,            theY, 0.0);
 
   Handle(Graphic3d_AspectLine3d) anAspect = new Graphic3d_AspectLine3d (theColor, Aspect_TOL_SOLID, 1.0);
-  Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup (thePrs);
-  aGroup->SetPrimitivesAspect (anAspect);
+  Handle(Graphic3d_Group) aGroup = thePrs->NewGroup();
+  aGroup->SetGroupPrimitivesAspect (anAspect);
   aGroup->AddPrimitiveArray (aPrim);
 }
 
@@ -784,7 +796,6 @@ void AIS_ColorScale::drawText (const Handle(Graphic3d_Group)& theGroup,
                                const Graphic3d_VerticalTextAlignment theVertAlignment)
 {
   const Handle(Prs3d_TextAspect)& anAspect = myDrawer->TextAspect();
-  theGroup->SetPrimitivesAspect (anAspect->Aspect());
   theGroup->Text (theText,
                   gp_Ax2 (gp_Pnt (theX, theY, 0.0), gp::DZ()),
                   anAspect->Height(),

src/AIS/AIS_ColorScale.hxx

@@ -406,7 +406,7 @@ private:
   Standard_Integer computeMaxLabelWidth (const TColStd_SequenceOfExtendedString& theLabels) const;
 
   //! Draw labels.
-  void drawLabels (const Handle(Prs3d_Presentation)& thePrs,
+  void drawLabels (const Handle(Graphic3d_Group)& theGroup,
                    const TColStd_SequenceOfExtendedString& theLabels,
                    const Standard_Integer theBarBottom,
                    const Standard_Integer theBarHeight,

src/AIS/AIS_ColoredDrawer.hxx

@@ -27,6 +27,7 @@ public:
   AIS_ColoredDrawer (const Handle(Prs3d_Drawer)& theLink)
   : myIsHidden    (false),
     myHasOwnColor (false),
+    myHasOwnTransp(false),
     myHasOwnWidth (false)
   {
     Link (theLink);
@@ -34,9 +35,15 @@ public:
 
   bool IsHidden() const                                 { return myIsHidden;     }
   void SetHidden (const bool theToHide)                 { myIsHidden = theToHide;}
+
   bool HasOwnColor() const                              { return myHasOwnColor;  }
   void UnsetOwnColor()                                  { myHasOwnColor = false; }
   void SetOwnColor (const Quantity_Color& /*theColor*/) { myHasOwnColor = true;  }
+
+  bool HasOwnTransparency() const                       { return myHasOwnTransp;  }
+  void UnsetOwnTransparency()                           { myHasOwnTransp = false; }
+  void SetOwnTransparency (Standard_Real /*theTransp*/) { myHasOwnTransp = true;  }
+
   bool HasOwnWidth() const                              { return myHasOwnWidth;  }
   void UnsetOwnWidth()                                  { myHasOwnWidth = false; }
   void SetOwnWidth (const Standard_Real /*theWidth*/)   { myHasOwnWidth = true;  }
@@ -45,6 +52,7 @@ public:  //! @name list of overridden properties
 
   bool myIsHidden;
   bool myHasOwnColor;
+  bool myHasOwnTransp;
   bool myHasOwnWidth;
 
 };

src/AIS/AIS_ColoredShape.cxx

@@ -77,6 +77,7 @@ AIS_ColoredShape::AIS_ColoredShape (const TopoDS_Shape& theShape)
   myDrawer->SetFreeBoundaryAspect  (myDrawer->LineAspect());
   myDrawer->SetUnFreeBoundaryAspect(myDrawer->LineAspect());
   myDrawer->SetSeenLineAspect      (myDrawer->LineAspect());
+  myDrawer->SetFaceBoundaryAspect  (myDrawer->LineAspect());
 }
 
 //=======================================================================
@@ -90,6 +91,7 @@ AIS_ColoredShape::AIS_ColoredShape (const Handle(AIS_Shape)& theShape)
   myDrawer->SetFreeBoundaryAspect  (myDrawer->LineAspect());
   myDrawer->SetUnFreeBoundaryAspect(myDrawer->LineAspect());
   myDrawer->SetSeenLineAspect      (myDrawer->LineAspect());
+  myDrawer->SetFaceBoundaryAspect  (myDrawer->LineAspect());
   if (theShape->HasMaterial())
   {
     SetMaterial (theShape->Material());
@@ -185,6 +187,25 @@ void AIS_ColoredShape::SetCustomColor (const TopoDS_Shape&   theShape,
   LoadRecomputable (AIS_Shaded);
 }
 
+//=======================================================================
+//function : SetCustomTransparency
+//purpose  :
+//=======================================================================
+void AIS_ColoredShape::SetCustomTransparency (const TopoDS_Shape& theShape,
+                                              Standard_Real theTransparency)
+{
+  if (theShape.IsNull())
+  {
+    return;
+  }
+
+  const Handle(AIS_ColoredDrawer)& aDrawer = CustomAspects (theShape);
+  setTransparency (aDrawer, theTransparency);
+  aDrawer->SetOwnTransparency (theTransparency);
+  LoadRecomputable (AIS_WireFrame);
+  LoadRecomputable (AIS_Shaded);
+}
+
 //=======================================================================
 //function : SetCustomWidth
 //purpose  :
@@ -198,7 +219,7 @@ void AIS_ColoredShape::SetCustomWidth (const TopoDS_Shape& theShape,
   }
 
   const Handle(AIS_ColoredDrawer)& aDrawer = CustomAspects (theShape);
-  setWidth (CustomAspects (theShape), theLineWidth);
+  setWidth (aDrawer, theLineWidth);
   aDrawer->SetOwnWidth (theLineWidth);
   LoadRecomputable (AIS_WireFrame);
   LoadRecomputable (AIS_Shaded);
@@ -236,6 +257,10 @@ void AIS_ColoredShape::SetColor (const Quantity_Color&  theColor)
     {
       aDrawer->WireAspect()->SetColor (theColor);
     }
+    if (aDrawer->HasOwnFaceBoundaryAspect())
+    {
+      aDrawer->FaceBoundaryAspect()->SetColor (theColor);
+    }
   }
 }
 
@@ -266,6 +291,10 @@ void AIS_ColoredShape::SetWidth (const Standard_Real    theLineWidth)
     {
       aDrawer->WireAspect()->SetWidth (theLineWidth);
     }
+    if (aDrawer->HasOwnFaceBoundaryAspect())
+    {
+      aDrawer->FaceBoundaryAspect()->SetWidth (theLineWidth);
+    }
   }
 }
 
@@ -282,7 +311,12 @@ void AIS_ColoredShape::SetTransparency (const Standard_Real theValue)
   LoadRecomputable (AIS_Shaded);
   for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
   {
-    const Handle(Prs3d_Drawer)& aDrawer = anIter.Value();
+    const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
+    if (aDrawer->HasOwnTransparency())
+    {
+      continue;
+    }
+
     if (aDrawer->HasOwnShadingAspect())
     {
       aDrawer->ShadingAspect()->SetTransparency (theValue, myCurrentFacingModel);
@@ -336,7 +370,7 @@ void AIS_ColoredShape::SetMaterial (const Graphic3d_MaterialAspect& theMaterial)
     //if (aDrawer->HasOwnMaterial()) continue;
     if (aDrawer->HasOwnShadingAspect())
     {
-      setMaterial (aDrawer, theMaterial, aDrawer->HasOwnColor(), Standard_False); // aDrawer->IsTransparent()
+      setMaterial (aDrawer, theMaterial, aDrawer->HasOwnColor(), aDrawer->HasOwnTransparency());
     }
   }
 }
@@ -576,7 +610,7 @@ void AIS_ColoredShape::addShapesWithCustomProps (const Handle(Prs3d_Presentation
                                                  const DataMapOfDrawerCompd& theDrawerClosedFaces,
                                                  const Standard_Integer theMode)
 {
-  Handle(Graphic3d_Group) anOpenGroup, aClosedGroup;
+  Handle(Graphic3d_Group) anOpenGroup, aClosedGroup, anEdgesGroup;
   for (size_t aShType = 0; aShType <= (size_t )TopAbs_SHAPE; ++aShType)
   {
     const Standard_Boolean isClosed = aShType == TopAbs_SHAPE;
@@ -630,7 +664,7 @@ void AIS_ColoredShape::addShapesWithCustomProps (const Handle(Prs3d_Presentation
         {
           if (aShadedGroup.IsNull())
           {
-            aShadedGroup = Prs3d_Root::NewGroup (thePrs);
+            aShadedGroup = thePrs->NewGroup();
             aShadedGroup->SetClosed (isClosed);
           }
           aShadedGroup->SetPrimitivesAspect (aDrawer->ShadingAspect()->Aspect());
@@ -639,18 +673,15 @@ void AIS_ColoredShape::addShapesWithCustomProps (const Handle(Prs3d_Presentation
 
         if (aDrawer->FaceBoundaryDraw())
         {
-          Handle(Graphic3d_ArrayOfSegments) aBndSegments = StdPrs_ShadedShape::FillFaceBoundaries (aShapeDraw);
-          if (!aBndSegments.IsNull())
+          if (Handle(Graphic3d_ArrayOfSegments) aBndSegments = StdPrs_ShadedShape::FillFaceBoundaries (aShapeDraw, aDrawer->FaceBoundaryUpperContinuity()))
           {
-            if (aShadedGroup.IsNull())
+            if (anEdgesGroup.IsNull())
             {
-              aShadedGroup = Prs3d_Root::NewGroup (thePrs);
-              aShadedGroup->SetClosed (isClosed);
+              anEdgesGroup = thePrs->NewGroup();
             }
 
-            Handle(Graphic3d_AspectLine3d) aBoundaryAspect = aDrawer->FaceBoundaryAspect()->Aspect();
-            aShadedGroup->SetPrimitivesAspect (aBoundaryAspect);
-            aShadedGroup->AddPrimitiveArray (aBndSegments);
+            anEdgesGroup->SetPrimitivesAspect (aDrawer->FaceBoundaryAspect()->Aspect());
+            anEdgesGroup->AddPrimitiveArray (aBndSegments);
           }
         }
       }
@@ -705,13 +736,29 @@ Standard_Boolean AIS_ColoredShape::dispatchColors (const Handle(AIS_ColoredDrawe
       {
         const TopoDS_Shape& aFace = aFaceIter.Value();
         Handle(AIS_ColoredDrawer) aFaceDrawer;
-        if (aFace.ShapeType() == TopAbs_FACE
-         && theShapeDrawerMap.Find (aFace, aFaceDrawer)
-         && aFaceDrawer->IsHidden())
+        if (aFace.ShapeType() != TopAbs_FACE
+        || !theShapeDrawerMap.Find (aFace, aFaceDrawer))
+        {
+          continue;
+        }
+
+        if (aFaceDrawer->IsHidden())
         {
           isClosedShell = Standard_False;
           break;
         }
+        else if (aFaceDrawer->HasOwnShadingAspect()
+              && aFaceDrawer->ShadingAspect()->Aspect()->AlphaMode() != Graphic3d_AlphaMode_Opaque)
+        {
+          if (aFaceDrawer->ShadingAspect()->Aspect()->AlphaMode() != Graphic3d_AlphaMode_BlendAuto
+           || aFaceDrawer->ShadingAspect()->Aspect()->FrontMaterial().Alpha() < 1.0f
+           || (aFaceDrawer->ShadingAspect()->Aspect()->Distinguish()
+            && aFaceDrawer->ShadingAspect()->Aspect()->BackMaterial().Alpha()  < 1.0f))
+          {
+            isClosedShell = Standard_False;
+            break;
+          }
+        }
       }
     }
 

src/AIS/AIS_ColoredShape.hxx

@@ -56,6 +56,10 @@ public: //! @name sub-shape aspects
   Standard_EXPORT void SetCustomColor (const TopoDS_Shape&   theShape,
                                        const Quantity_Color& theColor);
 
+  //! Customize transparency of specified sub-shape
+  Standard_EXPORT void SetCustomTransparency (const TopoDS_Shape& theShape,
+                                              Standard_Real theTransparency);
+
   //! Customize line width of specified sub-shape
   Standard_EXPORT void SetCustomWidth (const TopoDS_Shape& theShape,
                                        const Standard_Real theLineWidth);

src/AIS/AIS_GraphicTool.cxx

@@ -31,43 +31,34 @@
 static Handle(Prs3d_LineAspect) GetLineAspect(const Handle(Prs3d_Drawer)& Dr,
 					      const AIS_TypeOfAttribute Att)
 {
-  switch(Att){
+  switch(Att)
+  {
   case AIS_TOA_Line:
     return Dr->LineAspect();
-    break;
   case AIS_TOA_Dimension:
     return Dr->DimensionAspect()->LineAspect();
-    break;
   case AIS_TOA_Wire:
     return Dr->WireAspect();
-    break;
   case AIS_TOA_Plane:
     return Dr->PlaneAspect()->EdgesAspect();
-    break;
   case AIS_TOA_Vector:
     return Dr->VectorAspect();
-    break;
   case AIS_TOA_UIso:
     return Handle(Prs3d_LineAspect) (Dr->UIsoAspect());
-    break;
   case AIS_TOA_VIso:
     return Handle(Prs3d_LineAspect) (Dr->VIsoAspect());
-    break;
   case AIS_TOA_Free:
     return Dr->FreeBoundaryAspect();
-    break;
   case AIS_TOA_UnFree:
     return Dr->UnFreeBoundaryAspect();
-    break;
   case AIS_TOA_Section:
     return Dr->SectionAspect();
-    break;
   case AIS_TOA_Hidden:
     return Dr->HiddenLineAspect();
-    break;
   case AIS_TOA_Seen:
     return Dr->SeenLineAspect();
-    break;
+  case AIS_TOA_FaceBoundary:
+    return Dr->FaceBoundaryAspect();
   case AIS_TOA_FirstAxis:
     return Dr->DatumAspect()->LineAspect(Prs3d_DP_XAxis);
   case AIS_TOA_SecondAxis:

src/AIS/AIS_InteractiveContext_1.cxx

@@ -416,7 +416,14 @@ AIS_StatusOfDetection AIS_InteractiveContext::MoveTo (const Standard_Integer  th
   if (toUpdateViewer
    && theToRedrawOnUpdate)
   {
-    theView->Viewer()->Update();
+    if (theView->ComputedMode())
+    {
+      theView->Viewer()->Update();
+    }
+    else
+    {
+      theView->Viewer()->RedrawImmediate();
+    }
   }
 
   return aStatus;

src/AIS/AIS_InteractiveObject.cxx

@@ -615,31 +615,9 @@ void AIS_InteractiveObject::SynchronizeAspects()
 
     for (Graphic3d_SequenceOfGroup::Iterator aGroupIter (aPrs3d->Presentation()->Groups()); aGroupIter.More(); aGroupIter.Next())
     {
-      Handle(Graphic3d_Group)& aGrp = aGroupIter.ChangeValue();
-      if (aGrp.IsNull())
+      if (!aGroupIter.Value().IsNull())
       {
-        continue;
-      }
-
-      Handle(Graphic3d_AspectLine3d)     aLineAspect   = aGrp->LineAspect();
-      Handle(Graphic3d_AspectFillArea3d) aFaceAspect   = aGrp->FillAreaAspect();
-      Handle(Graphic3d_AspectMarker3d)   aMarkerAspect = aGrp->MarkerAspect();
-      Handle(Graphic3d_AspectText3d)     aTextAspect   = aGrp->TextAspect();
-      if (!aLineAspect.IsNull())
-      {
-        aGrp->SetGroupPrimitivesAspect (aLineAspect);
-      }
-      if (!aFaceAspect.IsNull())
-      {
-        aGrp->SetGroupPrimitivesAspect (aFaceAspect);
-      }
-      if (!aMarkerAspect.IsNull())
-      {
-        aGrp->SetGroupPrimitivesAspect (aMarkerAspect);
-      }
-      if (!aTextAspect.IsNull())
-      {
-        aGrp->SetGroupPrimitivesAspect (aTextAspect);
+        aGroupIter.ChangeValue()->SynchronizeAspects();
       }
     }
   }

src/AIS/AIS_Manipulator.cxx

@@ -271,6 +271,18 @@ void AIS_Manipulator::SetPart (const Standard_Integer theAxisIndex, const AIS_Ma
   }
 }
 
+//=======================================================================
+//function : SetPart
+//purpose  : 
+//=======================================================================
+void AIS_Manipulator::SetPart (const AIS_ManipulatorMode theMode, const Standard_Boolean theIsEnabled)
+{
+  for (Standard_Integer anIt = 0; anIt < 3; ++anIt)
+  {
+    SetPart (anIt, theMode, theIsEnabled);
+  }
+}
+
 //=======================================================================
 //function : EnableMode
 //purpose  : 
@@ -481,6 +493,7 @@ Standard_Boolean AIS_Manipulator::ObjectTransformation (const Standard_Integer t
       const gp_Lin aLine (myStartPosition.Location(), myAxes[myCurrentIndex].Position().Direction());
       Extrema_ExtElC anExtrema (anInputLine, aLine, Precision::Angular());
       if (!anExtrema.IsDone()
+        || anExtrema.IsParallel()
         || anExtrema.NbExt() != 1)
       {
         // translation cannot be done co-directed with camera
@@ -526,7 +539,9 @@ Standard_Boolean AIS_Manipulator::ObjectTransformation (const Standard_Integer t
       const gp_Pnt aPosLoc   = myStartPosition.Location();
       const gp_Ax1 aCurrAxis = getAx1FromAx2Dir (myStartPosition, myCurrentIndex);
       IntAna_IntConicQuad aIntersector (anInputLine, gp_Pln (aPosLoc, aCurrAxis.Direction()), Precision::Angular(), Precision::Intersection());
-      if (!aIntersector.IsDone() || aIntersector.NbPoints() < 1)
+      if (!aIntersector.IsDone()
+        || aIntersector.IsParallel()
+        || aIntersector.NbPoints() < 1)
       {
         return Standard_False;
       }
@@ -995,10 +1010,14 @@ void AIS_Manipulator::ComputeSelection (const Handle(SelectMgr_Selection)& theSe
   {
     for (Standard_Integer anIt = 0; anIt < 3; ++anIt)
     {
+      if (!myAxes[anIt].HasTranslation())
+      {
+        continue;
+      }
       const Axis& anAxis = myAxes[anIt];
       if (aMode != AIS_MM_None)
       {
-        anOwner = new AIS_ManipulatorOwner(this, anIt, AIS_MM_Translation, 9);
+        anOwner = new AIS_ManipulatorOwner (this, anIt, AIS_MM_Translation, 9);
       }
       // define sensitivity by line
       Handle(Select3D_SensitiveSegment) aLine = new Select3D_SensitiveSegment (anOwner, gp::Origin(), anAxis.TranslatorTipPosition());
@@ -1016,6 +1035,10 @@ void AIS_Manipulator::ComputeSelection (const Handle(SelectMgr_Selection)& theSe
   {
     for (Standard_Integer anIt = 0; anIt < 3; ++anIt)
     {
+      if (!myAxes[anIt].HasRotation())
+      {
+        continue;
+      }
       const Axis& anAxis = myAxes[anIt];
       if (aMode != AIS_MM_None)
       {
@@ -1036,6 +1059,10 @@ void AIS_Manipulator::ComputeSelection (const Handle(SelectMgr_Selection)& theSe
   {
     for (Standard_Integer anIt = 0; anIt < 3; ++anIt)
     {
+      if (!myAxes[anIt].HasScaling())
+      {
+        continue;
+      }
       if (aMode != AIS_MM_None)
       {
         anOwner = new AIS_ManipulatorOwner (this, anIt, AIS_MM_Scaling, 9);

src/AIS/AIS_Manipulator.hxx

@@ -112,6 +112,12 @@ public:
   //! @warning Raises program error if axis index is < 0 or > 2.
   Standard_EXPORT void SetPart (const Standard_Integer theAxisIndex, const AIS_ManipulatorMode theMode, const Standard_Boolean theIsEnabled);
 
+  //! Disable or enable visual parts for translation, rotation or scaling for ALL axes.
+  //! By default all parts are enabled (will be displayed).
+  //! @warning Enabling or disabling of visual parts of manipulator does not manage the manipulation (selection) mode.
+  //! @warning Raises program error if axis index is < 0 or > 2.
+  Standard_EXPORT void SetPart (const AIS_ManipulatorMode theMode, const Standard_Boolean theIsEnabled);
+
   //! Behavior settings to be applied when performing transformation:
   //! - FollowTranslation - whether the manipulator will be moved together with an object.
   //! - FollowRotation - whether the manipulator will be rotated together with an object.

src/AIS/AIS_RubberBand.cxx

@@ -299,13 +299,13 @@ Standard_Boolean AIS_RubberBand::fillTriangles()
   Handle(BRepMesh_DataStructureOfDelaun) aMeshStructure = new BRepMesh_DataStructureOfDelaun(anAllocator);
   Standard_Integer aPtsLower = myPoints.Lower();
   Standard_Integer aPtsUpper = myPoints.Upper();
-  BRepMesh::Array1OfInteger anIndexes (0, myPoints.Length() - 1);
+  IMeshData::VectorOfInteger anIndexes (myPoints.Length(), anAllocator);
   for (Standard_Integer aPtIdx = aPtsLower; aPtIdx <= aPtsUpper; ++aPtIdx)
   {
     gp_XY aP ((Standard_Real)myPoints.Value (aPtIdx).x(),
               (Standard_Real)myPoints.Value (aPtIdx).y());
     BRepMesh_Vertex aVertex (aP, aPtIdx, BRepMesh_Frontier);
-    anIndexes.ChangeValue (aPtIdx - aPtsLower) = aMeshStructure->AddNode (aVertex);
+    anIndexes.Append (aMeshStructure->AddNode (aVertex));
   }
 
   Standard_Real aPtSum = 0;
@@ -328,7 +328,7 @@ Standard_Boolean AIS_RubberBand::fillTriangles()
   }
 
   BRepMesh_Delaun aTriangulation (aMeshStructure, anIndexes);
-  const BRepMesh::MapOfInteger& aTriangles = aMeshStructure->ElementsOfDomain();
+  const IMeshData::MapOfInteger& aTriangles = aMeshStructure->ElementsOfDomain();
   if (aTriangles.Extent() < 1)
     return Standard_False;
 
@@ -341,7 +341,7 @@ Standard_Boolean AIS_RubberBand::fillTriangles()
   }
 
   Standard_Integer aVertexIndex = 1;
-  BRepMesh::MapOfInteger::Iterator aTriangleIt (aTriangles);
+  IMeshData::IteratorOfMapOfInteger aTriangleIt (aTriangles);
   for (; aTriangleIt.More(); aTriangleIt.Next())
   {
     const Standard_Integer aTriangleId = aTriangleIt.Key();

src/AIS/AIS_Shape.cxx

@@ -346,64 +346,16 @@ Standard_Real AIS_Shape::Transparency() const {
 //purpose  :
 //=======================================================================
 
-void AIS_Shape::setColor (const Handle(Prs3d_Drawer)& theDrawer,
+bool AIS_Shape::setColor (const Handle(Prs3d_Drawer)& theDrawer,
                           const Quantity_Color&       theColor) const
 {
-  if (!theDrawer->HasOwnShadingAspect())
+  bool toRecompute = false;
+  toRecompute = theDrawer->SetupOwnShadingAspect() || toRecompute;
+  toRecompute = theDrawer->SetOwnLineAspects() || toRecompute;
+
+  if (theDrawer->SetupOwnPointAspect())
   {
-    theDrawer->SetShadingAspect (new Prs3d_ShadingAspect());
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->ShadingAspect()->Aspect() = *theDrawer->Link()->ShadingAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnLineAspect())
-  {
-    theDrawer->SetLineAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->LineAspect()->Aspect() = *theDrawer->Link()->LineAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnWireAspect())
-  {
-    theDrawer->SetWireAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->WireAspect()->Aspect() = *theDrawer->Link()->WireAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnPointAspect())
-  {
-    theDrawer->SetPointAspect (new Prs3d_PointAspect (Aspect_TOM_PLUS, Quantity_NOC_BLACK, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->PointAspect()->Aspect() = *theDrawer->Link()->PointAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnFreeBoundaryAspect())
-  {
-    theDrawer->SetFreeBoundaryAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->FreeBoundaryAspect()->Aspect() = *theDrawer->Link()->FreeBoundaryAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnUnFreeBoundaryAspect())
-  {
-    theDrawer->SetUnFreeBoundaryAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->UnFreeBoundaryAspect()->Aspect() = *theDrawer->Link()->UnFreeBoundaryAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnSeenLineAspect())
-  {
-    theDrawer->SetSeenLineAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->SeenLineAspect()->Aspect() = *theDrawer->Link()->SeenLineAspect()->Aspect();
-    }
+    toRecompute = true;
   }
 
   // override color
@@ -414,6 +366,8 @@ void AIS_Shape::setColor (const Handle(Prs3d_Drawer)& theDrawer,
   theDrawer->FreeBoundaryAspect()->SetColor (theColor);
   theDrawer->UnFreeBoundaryAspect()->SetColor (theColor);
   theDrawer->SeenLineAspect()->SetColor (theColor);
+  theDrawer->FaceBoundaryAspect()->SetColor (theColor);
+  return toRecompute;
 }
 
 //=======================================================================
@@ -423,9 +377,16 @@ void AIS_Shape::setColor (const Handle(Prs3d_Drawer)& theDrawer,
 
 void AIS_Shape::SetColor (const Quantity_Color& theColor)
 {
-  setColor (myDrawer, theColor);
+  const bool toRecompute = setColor (myDrawer, theColor);
   myDrawer->SetColor (theColor);
   hasOwnColor = Standard_True;
+  if (!toRecompute)
+  {
+    myToRecomputeModes.Clear();
+    myRecomputeEveryPrs = false;
+    SynchronizeAspects();
+    return;
+  }
 
   // modify shading presentation without re-computation
   const PrsMgr_Presentations&        aPrsList     = Presentations();
@@ -477,8 +438,10 @@ void AIS_Shape::UnsetColor()
   if (!HasColor())
   {
     myToRecomputeModes.Clear();
+    myRecomputeEveryPrs = false;
     return;
   }
+
   hasOwnColor = Standard_False;
   myDrawer->SetColor (myDrawer->HasLink() ? myDrawer->Link()->Color() : Quantity_Color (Quantity_NOC_WHITE));
 
@@ -490,6 +453,7 @@ void AIS_Shape::UnsetColor()
     myDrawer->SetFreeBoundaryAspect  (anEmptyAsp);
     myDrawer->SetUnFreeBoundaryAspect(anEmptyAsp);
     myDrawer->SetSeenLineAspect      (anEmptyAsp);
+    myDrawer->SetFaceBoundaryAspect  (anEmptyAsp);
   }
   else
   {
@@ -522,6 +486,12 @@ void AIS_Shape::UnsetColor()
       AIS_GraphicTool::GetLineColor (myDrawer->Link(), AIS_TOA_Seen,   aColor);
     }
     myDrawer->SeenLineAspect()->SetColor (aColor);
+    aColor = Quantity_NOC_BLACK;
+    if (myDrawer->HasLink())
+    {
+      AIS_GraphicTool::GetLineColor (myDrawer->Link(), AIS_TOA_FaceBoundary, aColor);
+    }
+    myDrawer->FaceBoundaryAspect()->SetColor (aColor);
   }
 
   if (!myDrawer->HasOwnShadingAspect())
@@ -568,40 +538,7 @@ void AIS_Shape::UnsetColor()
     myDrawer->SetShadingAspect (Handle(Prs3d_ShadingAspect)());
   }
   myDrawer->SetPointAspect (Handle(Prs3d_PointAspect)());
-
-  // modify shading presentation without re-computation
-  const PrsMgr_Presentations&        aPrsList  = Presentations();
-  Handle(Graphic3d_AspectFillArea3d) anAreaAsp = myDrawer->ShadingAspect()->Aspect();
-  Handle(Graphic3d_AspectLine3d)     aLineAsp  = myDrawer->LineAspect()->Aspect();
-  for (Standard_Integer aPrsIt = 1; aPrsIt <= aPrsList.Length(); ++aPrsIt)
-  {
-    const PrsMgr_ModedPresentation& aPrsModed = aPrsList.Value (aPrsIt);
-    if (aPrsModed.Mode() != AIS_Shaded)
-    {
-      continue;
-    }
-
-    const Handle(Prs3d_Presentation)& aPrs = aPrsModed.Presentation()->Presentation();
-    for (Graphic3d_SequenceOfGroup::Iterator aGroupIt (aPrs->Groups()); aGroupIt.More(); aGroupIt.Next())
-    {
-      const Handle(Graphic3d_Group)& aGroup = aGroupIt.Value();
-
-      // Check if aspect of given type is set for the group,
-      // because setting aspect for group with no already set aspect
-      // can lead to loss of presentation data
-      if (aGroup->IsGroupPrimitivesAspectSet (Graphic3d_ASPECT_FILL_AREA))
-      {
-        aGroup->SetGroupPrimitivesAspect (anAreaAsp);
-      }
-      if (aGroup->IsGroupPrimitivesAspectSet (Graphic3d_ASPECT_LINE))
-      {
-        aGroup->SetGroupPrimitivesAspect (aLineAsp);
-      }
-    }
-  }
-
-  LoadRecomputable (AIS_WireFrame);
-  LoadRecomputable (2);
+  myRecomputeEveryPrs = true;
 }
 
 //=======================================================================
@@ -609,49 +546,10 @@ void AIS_Shape::UnsetColor()
 //purpose  :
 //=======================================================================
 
-void AIS_Shape::setWidth (const Handle(Prs3d_Drawer)& theDrawer,
+bool AIS_Shape::setWidth (const Handle(Prs3d_Drawer)& theDrawer,
                           const Standard_Real         theLineWidth) const
 {
-  if (!theDrawer->HasOwnLineAspect())
-  {
-    theDrawer->SetLineAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->LineAspect()->Aspect() = *theDrawer->Link()->LineAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnWireAspect())
-  {
-    theDrawer->SetWireAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->WireAspect()->Aspect() = *theDrawer->Link()->WireAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnFreeBoundaryAspect())
-  {
-    theDrawer->SetFreeBoundaryAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->FreeBoundaryAspect()->Aspect() = *theDrawer->Link()->FreeBoundaryAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnUnFreeBoundaryAspect())
-  {
-    theDrawer->SetUnFreeBoundaryAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->UnFreeBoundaryAspect()->Aspect() = *theDrawer->Link()->UnFreeBoundaryAspect()->Aspect();
-    }
-  }
-  if (!theDrawer->HasOwnSeenLineAspect())
-  {
-    theDrawer->SetSeenLineAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->SeenLineAspect()->Aspect() = *theDrawer->Link()->SeenLineAspect()->Aspect();
-    }
-  }
+  bool toRecompute = theDrawer->SetOwnLineAspects();
 
   // override width
   theDrawer->LineAspect()->SetWidth (theLineWidth);
@@ -659,6 +557,8 @@ void AIS_Shape::setWidth (const Handle(Prs3d_Drawer)& theDrawer,
   theDrawer->FreeBoundaryAspect()->SetWidth (theLineWidth);
   theDrawer->UnFreeBoundaryAspect()->SetWidth (theLineWidth);
   theDrawer->SeenLineAspect()->SetWidth (theLineWidth);
+  theDrawer->FaceBoundaryAspect()->SetWidth (theLineWidth);
+  return toRecompute;
 }
 
 //=======================================================================
@@ -668,10 +568,17 @@ void AIS_Shape::setWidth (const Handle(Prs3d_Drawer)& theDrawer,
 
 void AIS_Shape::SetWidth (const Standard_Real theLineWidth)
 {
-  setWidth (myDrawer, theLineWidth);
   myOwnWidth = theLineWidth;
-  LoadRecomputable (AIS_WireFrame); // means that it is necessary to recompute only the wireframe....
-  LoadRecomputable (2);             // and the bounding box...
+  if (setWidth (myDrawer, theLineWidth))
+  {
+    myRecomputeEveryPrs = true;
+  }
+  else
+  {
+    myRecomputeEveryPrs = false;
+    myToRecomputeModes.Clear();
+    SynchronizeAspects();
+  }
 }
 
 //=======================================================================
@@ -684,20 +591,21 @@ void AIS_Shape::UnsetWidth()
   if (myOwnWidth == 0.0)
   {
     myToRecomputeModes.Clear();
+    myRecomputeEveryPrs = false;
     return;
   }
 
   myOwnWidth = 0.0;
-
-  Handle(Prs3d_LineAspect) anEmptyAsp;
-
   if (!HasColor())
   {
+    const Handle(Prs3d_LineAspect) anEmptyAsp;
     myDrawer->SetLineAspect          (anEmptyAsp);
     myDrawer->SetWireAspect          (anEmptyAsp);
     myDrawer->SetFreeBoundaryAspect  (anEmptyAsp);
     myDrawer->SetUnFreeBoundaryAspect(anEmptyAsp);
     myDrawer->SetSeenLineAspect      (anEmptyAsp);
+    myDrawer->SetFaceBoundaryAspect  (anEmptyAsp);
+    myRecomputeEveryPrs = true;
   }
   else
   {
@@ -711,8 +619,12 @@ void AIS_Shape::UnsetWidth()
       AIS_GraphicTool::GetLineWidth (myDrawer->Link(), AIS_TOA_UnFree) : 1.);
     myDrawer->SeenLineAspect()      ->SetWidth (myDrawer->HasLink() ?
       AIS_GraphicTool::GetLineWidth (myDrawer->Link(), AIS_TOA_Seen) : 1.);
+    myDrawer->FaceBoundaryAspect()      ->SetWidth (myDrawer->HasLink() ?
+      AIS_GraphicTool::GetLineWidth (myDrawer->Link(), AIS_TOA_FaceBoundary) : 1.);
+    SynchronizeAspects();
+    myToRecomputeModes.Clear();
+    myRecomputeEveryPrs = false;
   }
-  LoadRecomputable (AIS_WireFrame);
 }
 
 //=======================================================================
@@ -727,14 +639,7 @@ void AIS_Shape::setMaterial (const Handle(Prs3d_Drawer)&     theDrawer,
 {
   const Quantity_Color aColor  = theDrawer->ShadingAspect()->Material     (myCurrentFacingModel).Color();
   const Standard_Real  aTransp = theDrawer->ShadingAspect()->Transparency (myCurrentFacingModel);
-  if (!theDrawer->HasOwnShadingAspect())
-  {
-    theDrawer->SetShadingAspect (new Prs3d_ShadingAspect());
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->ShadingAspect()->Aspect() = *theDrawer->Link()->ShadingAspect()->Aspect();
-    }
-  }
+  theDrawer->SetupOwnShadingAspect();
   theDrawer->ShadingAspect()->SetMaterial (theMaterial, myCurrentFacingModel);
 
   if (theToKeepColor)
@@ -858,15 +763,7 @@ void AIS_Shape::UnsetMaterial()
 void AIS_Shape::setTransparency (const Handle(Prs3d_Drawer)& theDrawer,
                                  const Standard_Real         theValue) const
 {
-  if (!theDrawer->HasOwnShadingAspect())
-  {
-    theDrawer->SetShadingAspect (new Prs3d_ShadingAspect());
-    if (theDrawer->HasLink())
-    {
-      *theDrawer->ShadingAspect()->Aspect() = *theDrawer->Link()->ShadingAspect()->Aspect();
-    }
-  }
-
+  theDrawer->SetupOwnShadingAspect();
   // override transparency
   theDrawer->ShadingAspect()->SetTransparency (theValue, myCurrentFacingModel);
 }

src/AIS/AIS_Shape.hxx

@@ -51,7 +51,7 @@
 //! To generate texture coordinates, appropriate shading attribute should be set before computing presentation in AIS_Shaded display mode:
 //! @code
 //!   Handle(AIS_Shape) aPrs = new AIS_Shape();
-//!   aPrs->Attributes()->SetShadingAspect (new Prs3d_ShadingAspect());
+//!   aPrs->Attributes()->SetupOwnShadingAspect();
 //!   aPrs->Attributes()->ShadingAspect()->Aspect()->SetTextureMapOn();
 //!   aPrs->Attributes()->ShadingAspect()->Aspect()->SetTextureMap (new Graphic3d_Texture2Dmanual (Graphic3d_NOT_2D_ALUMINUM));
 //! @endcode
@@ -174,8 +174,7 @@ public:
   Standard_EXPORT virtual void UnsetColor() Standard_OVERRIDE;
   
   //! Sets the value aValue for line width in the reconstructed compound shape.
-  //! Changes line aspects for lines-only presentation modes like Wireframe and Bounding Box.
-  //! Doesn't change face boundary line aspect.
+  //! Changes line aspects for lines presentation.
   Standard_EXPORT virtual void SetWidth (const Standard_Real aValue) Standard_OVERRIDE;
   
   //! Removes the setting for line width in the reconstructed compound shape.
@@ -305,9 +304,13 @@ protected:
   
   Standard_EXPORT void LoadRecomputable (const Standard_Integer TheMode);
   
-  Standard_EXPORT void setColor (const Handle(Prs3d_Drawer)& theDrawer, const Quantity_Color& theColor) const;
+  //! Create own aspects (if they do not exist) and set color to them.
+  //! @return TRUE if new aspects have been created
+  Standard_EXPORT bool setColor (const Handle(Prs3d_Drawer)& theDrawer, const Quantity_Color& theColor) const;
   
-  Standard_EXPORT void setWidth (const Handle(Prs3d_Drawer)& theDrawer, const Standard_Real theWidth) const;
+  //! Create own aspects (if they do not exist) and set width to them.
+  //! @return TRUE if new aspects have been created
+  Standard_EXPORT bool setWidth (const Handle(Prs3d_Drawer)& theDrawer, const Standard_Real theWidth) const;
   
   Standard_EXPORT void setTransparency (const Handle(Prs3d_Drawer)& theDrawer, const Standard_Real theValue) const;
   

src/AIS/AIS_Trihedron.cxx

@@ -335,6 +335,10 @@ void AIS_Trihedron::HilightOwnerWithColor (const Handle(PrsMgr_PresentationManag
   }
   aGroup->AddPrimitiveArray (arrayOfPrimitives(aPart));
 
+  if (aPresentation->GetZLayer() != theStyle->ZLayer())
+  {
+    aPresentation->SetZLayer (theStyle->ZLayer());
+  }
   aPresentation->Highlight (theStyle);
   thePM->AddToImmediateList (aPresentation);
 }

src/AIS/AIS_TypeOfAttribute.hxx

@@ -32,6 +32,7 @@ AIS_TOA_UnFree,
 AIS_TOA_Section,
 AIS_TOA_Hidden,
 AIS_TOA_Seen,
+AIS_TOA_FaceBoundary,
 AIS_TOA_FirstAxis,
 AIS_TOA_SecondAxis,
 AIS_TOA_ThirdAxis

src/AIS/FILES

@@ -19,6 +19,8 @@ AIS_BadEdgeFilter.cxx
 AIS_BadEdgeFilter.hxx
 AIS_C0RegularityFilter.cxx
 AIS_C0RegularityFilter.hxx
+AIS_CameraFrustum.cxx
+AIS_CameraFrustum.hxx
 AIS_Chamf2dDimension.cxx
 AIS_Chamf2dDimension.hxx
 AIS_Chamf2dDimension.lxx

src/Adaptor2d/FILES

@@ -1,6 +1,5 @@
 Adaptor2d_Curve2d.cxx
 Adaptor2d_Curve2d.hxx
-Adaptor2d_Curve2dPtr.hxx
 Adaptor2d_GenHCurve2d.gxx
 Adaptor2d_GenHCurve2d.lxx
 Adaptor2d_HCurve2d.cxx

src/Approx/Approx_ComputeLine.gxx

@@ -303,14 +303,28 @@ static Standard_Boolean CheckMultiCurve(const AppParCurves_MultiCurve& theMultiC
     sprintf(name, "bc2d_%d_%d", indc, nbbc);
     DrawTrSurf::Set(name, theBezier2d);
 #endif
-    gp_Vec2d FirstVec, SecondVec;
-    FirstVec = gp_Vec2d(aPoles2d(1), aPoles2d(2));
-    FirstVec.Normalize();
+    const Standard_Real aSqNormToler = Epsilon(1.0)*Epsilon(1.0);
+    gp_Vec2d FirstVec(aPoles2d(1), aPoles2d(2)), SecondVec;
+    Standard_Real aVecSqNorm = FirstVec.SquareMagnitude();
+    if (aVecSqNorm < aSqNormToler)
+    {
+      theIndbad = theIndfirst + 1;
+      return Standard_False;
+    }
+
+    FirstVec /= Sqrt(aSqNormToler);
     gp_Pnt2d MidPnt = aPoles2d(2);
     for (Standard_Integer k = 3; k <= aPoles2d.Upper(); k++)
     {
-      SecondVec = gp_Vec2d(MidPnt, aPoles2d(k));
-      SecondVec.Normalize();
+      SecondVec.SetXY(aPoles2d(k).XY() - MidPnt.XY());
+      aVecSqNorm = SecondVec.SquareMagnitude();
+      if (aVecSqNorm < aSqNormToler)
+      {
+        theIndbad = theIndfirst + k - 1;
+        return Standard_False;
+      }
+
+      SecondVec /= Sqrt(aVecSqNorm);
       Standard_Real ScalProd = FirstVec * SecondVec;
       if (ScalProd < MinScalProd)
       {

src/Aspect/Aspect_DisplayConnection.cxx

@@ -26,9 +26,11 @@ IMPLEMENT_STANDARD_RTTIEXT(Aspect_DisplayConnection,Standard_Transient)
 Aspect_DisplayConnection::Aspect_DisplayConnection()
 {
 #if !defined(_WIN32) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) && !defined(__ANDROID__) && !defined(__QNX__)
+  myDisplay = NULL;
+  myIsOwnDisplay = false;
   OSD_Environment anEnv ("DISPLAY");
   myDisplayName = anEnv.Value();
-  Init();
+  Init (NULL);
 #endif
 }
 
@@ -39,7 +41,8 @@ Aspect_DisplayConnection::Aspect_DisplayConnection()
 Aspect_DisplayConnection::~Aspect_DisplayConnection()
 {
 #if !defined(_WIN32) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) && !defined(__ANDROID__) && !defined(__QNX__)
-  if (myDisplay != NULL)
+  if (myDisplay != NULL
+   && myIsOwnDisplay)
   {
     XCloseDisplay (myDisplay);
   }
@@ -52,38 +55,39 @@ Aspect_DisplayConnection::~Aspect_DisplayConnection()
 // purpose  :
 // =======================================================================
 Aspect_DisplayConnection::Aspect_DisplayConnection (const TCollection_AsciiString& theDisplayName)
+: myDisplay (NULL),
+  myIsOwnDisplay (false)
 {
   myDisplayName = theDisplayName;
-  Init();
+  Init (NULL);
 }
 
 // =======================================================================
-// function : GetDisplay
+// function : Aspect_DisplayConnection
 // purpose  :
 // =======================================================================
-Display* Aspect_DisplayConnection::GetDisplay()
+Aspect_DisplayConnection::Aspect_DisplayConnection (Display* theDisplay)
+: myDisplay (NULL),
+  myIsOwnDisplay (false)
 {
-  return myDisplay;
-}
-
-// =======================================================================
-// function : GetDisplayName
-// purpose  :
-// =======================================================================
-TCollection_AsciiString Aspect_DisplayConnection::GetDisplayName()
-{
-  return myDisplayName;
+  Init (theDisplay);
 }
 
 // =======================================================================
 // function : Init
 // purpose  :
 // =======================================================================
-void Aspect_DisplayConnection::Init()
+void Aspect_DisplayConnection::Init (Display* theDisplay)
 {
-  myDisplay = XOpenDisplay (myDisplayName.ToCString());
-  myAtoms.Bind (Aspect_XA_DELETE_WINDOW, XInternAtom(myDisplay, "WM_DELETE_WINDOW", False));
-  
+  if (myDisplay != NULL
+   && myIsOwnDisplay)
+  {
+    XCloseDisplay (myDisplay);
+  }
+  myIsOwnDisplay = false;
+  myAtoms.Clear();
+
+  myDisplay = theDisplay != NULL ? theDisplay : XOpenDisplay (myDisplayName.ToCString());
   if (myDisplay == NULL)
   {
     TCollection_AsciiString aMessage;
@@ -91,6 +95,11 @@ void Aspect_DisplayConnection::Init()
     aMessage += myDisplayName + "\"";
     throw Aspect_DisplayConnectionDefinitionError(aMessage.ToCString());
   }
+  else
+  {
+    myIsOwnDisplay = theDisplay == NULL;
+    myAtoms.Bind (Aspect_XA_DELETE_WINDOW, XInternAtom(myDisplay, "WM_DELETE_WINDOW", False));
+  }
 }
 
 // =======================================================================

src/Aspect/Aspect_DisplayConnection.hxx

@@ -47,25 +47,37 @@ public:
   //! screen_number - Specifies the screen to be used on that server. Optional variable.
   Aspect_DisplayConnection (const TCollection_AsciiString& theDisplayName);
 
+  //! Constructor wrapping existing Display instance.
+  //! WARNING! it is a responsibility of application to keep this pointer
+  //! valid while Aspect_DisplayConnection is alive and to close Display when it is no more needed.
+  Aspect_DisplayConnection (Display* theDisplay);
+
   //! @return pointer to Display structure that serves as the connection to the X server.
-  Display* GetDisplay();
-  
+  Display* GetDisplay() { return myDisplay; }
+
+  //! @return TRUE if X Display has been allocated by this class
+  Standard_Boolean IsOwnDisplay() const { return myIsOwnDisplay; }
+
   //! @return identifier(atom) for custom named property associated with windows that use current connection to X server.
   Atom GetAtom (const Aspect_XAtom theAtom) const;
 
   //! @return display name for this connection.
-  TCollection_AsciiString GetDisplayName();
+  const TCollection_AsciiString& GetDisplayName() { return myDisplayName; }
 
-private:
-
-  //! Open connection with display specified in myDisplayName class field.
-  void Init();
+  //! Open connection with display specified in myDisplayName class field
+  //! or takes theDisplay parameter when it is not NULL.
+  //! WARNING! When external Display is specified, it is a responsibility of application
+  //! to keep this pointer valid while Aspect_DisplayConnection is alive
+  //! and to close Display when it is no more needed.
+  //! @param theDisplay external pointer to allocated Display, or NULL if new connection should be created
+  void Init (Display* theDisplay);
 
 private:
 
   Display*                 myDisplay;
   NCollection_DataMap<Aspect_XAtom, Atom> myAtoms;
   TCollection_AsciiString  myDisplayName;
+  Standard_Boolean         myIsOwnDisplay;
 #endif
 
 private:

src/Aspect/Aspect_InteriorStyle.hxx

@@ -16,23 +16,17 @@
 #ifndef _Aspect_InteriorStyle_HeaderFile
 #define _Aspect_InteriorStyle_HeaderFile
 
-//! Definition of interior types for primitive
-//! faces.
-//!
-//! IS_EMPTY    no interior.
-//! IS_HOLLOW   display the boundaries of the surface.
-//! IS_HATCH    display hatched with a hatch style.
-//! IS_SOLID    display the interior entirely filled.
-//! IS_HIDDENLINE       display in hidden lines removed.
-//! IS_POINT            display only vertices.
+//! Interior types for primitive faces.
 enum Aspect_InteriorStyle
 {
-Aspect_IS_EMPTY,
-Aspect_IS_HOLLOW,
-Aspect_IS_HATCH,
-Aspect_IS_SOLID,
-Aspect_IS_HIDDENLINE,
-Aspect_IS_POINT
+  Aspect_IS_EMPTY = -1, //!< no interior
+  Aspect_IS_SOLID =  0, //!< normally filled surface interior
+  Aspect_IS_HATCH,      //!< hatched surface interior
+  Aspect_IS_HIDDENLINE, //!< interior is filled with viewer background color
+  Aspect_IS_POINT,      //!< display only vertices of surface (obsolete)
+
+  // obsolete aliases
+  Aspect_IS_HOLLOW = Aspect_IS_EMPTY, //!< transparent surface interior
 };
 
 #endif // _Aspect_InteriorStyle_HeaderFile

src/BOPAlgo/BOPAlgo.msg

@@ -6,94 +6,121 @@
 N/A
 
 .BOPAlgo_AlertBOPIsNotSet
-Error: The type of Boolean Operation is not set
+The type of Boolean Operation is not set
 
 .BOPAlgo_AlertBOPNotAllowed
-Error: Boolean operation of the given type is not allowed on the given inputs
+Boolean operation of the given type is not allowed on the given inputs
 
 .BOPAlgo_AlertSolidBuilderFailed
-Error: Building Fused solid has failed
+Building Fused solid has failed
 
 .BOPAlgo_AlertTooFewArguments
-Error: There are no enough arguments to perform the operation
+There are no enough arguments to perform the operation
 
 .BOPAlgo_AlertMultipleArguments
-Error: More than one argument is provided
+More than one argument is provided
 
 .BOPAlgo_AlertNoFiller
-Error: The Pave Filler (the intersection tool) has not been created
+The Pave Filler (the intersection tool) has not been created
 
 .BOPAlgo_AlertIntersectionFailed
-Error: The intersection of the arguments has failed
+The intersection of the arguments has failed
 
 .BOPAlgo_AlertBuilderFailed
-Error: Building of the result shape has failed
+Building of the result shape has failed
 
 .BOPAlgo_AlertNullFace
-Error: The face given to be split is a null shape
+The face given to be split is a null shape
 
 .BOPAlgo_AlertNullInputShapes
-Error: No or null input shapes
+No or null input shapes
 
 .BOPAlgo_AlertPostTreatFF
-Error: Cannot connect face intersection curves
+Cannot connect face intersection curves
 
 .BOPAlgo_AlertEmptyShape
-Warning: Some of the arguments are empty shapes
+Some of the arguments are empty shapes
 
 .BOPAlgo_AlertSelfInterferingShape
-Warning: Some of the arguments are self-interfering shapes
+Some of the arguments are self-interfering shapes
 
 .BOPAlgo_AlertTooSmallEdge
-Warning: Some edges are too small and have no valid range
+Some edges are too small and have no valid range
 
 .BOPAlgo_AlertNotSplittableEdge
-Warning: Some edges are very small and have such a small valid range, that they cannot be split
+Some edges are very small and have such a small valid range, that they cannot be split
 
 .BOPAlgo_AlertBadPositioning
-Warning: The positioning of the shapes leads to creation of the small edges without valid range
+The positioning of the shapes leads to creation of the small edges without valid range
 
 .BOPAlgo_AlertShellSplitterFailed
-Warning: Unable to build loops from the given faces
+Unable to build loops from the given faces
 
 .BOPAlgo_AlertRemovalOfIBForMDimShapes
-Warning: Removal of internal boundaries among the multi-dimensional shapes is not supported yet
+Removal of internal boundaries among the multi-dimensional shapes is not supported yet
 
 .BOPAlgo_AlertRemovalOfIBForSolidsFailed
-Warning: Removal of internal boundaries among Solids has failed
+Removal of internal boundaries among Solids has failed
 
 .BOPAlgo_AlertRemovalOfIBForFacesFailed
-Warning: Removal of internal boundaries among Faces has failed
+Removal of internal boundaries among Faces has failed
 
 .BOPAlgo_AlertRemovalOfIBForEdgesFailed
-Warning: Removal of internal boundaries among Edges has failed
+Removal of internal boundaries among Edges has failed
 
 .BOPAlgo_AlertIntersectionOfPairOfShapesFailed
-Warning: Intersection of pair of shapes has failed
+Intersection of pair of shapes has failed
 
 .BOPAlgo_AlertBuildingPCurveFailed
-Warning: Building 2D curve of edge on face has failed
+Building 2D curve of edge on face has failed
 
 .BOPAlgo_AlertAcquiredSelfIntersection
-Warning: Some sub-shapes of some of the argument become connected through other shapes and the argument became self-interfered
+Some sub-shapes of some of the argument become connected through other shapes and the argument became self-interfered
 
 .BOPAlgo_AlertUnsupportedType
-Warning: Unsupported type of input shape
+Unsupported type of input shape
 
 .BOPAlgo_AlertUnableToRemoveTheFeature
-Warning: Unable to remove the feature
+Unable to remove the feature
 
 .BOPAlgo_AlertNoFacesToRemove
-Error: No faces have been found for removal
+No faces have been found for removal
 
 .BOPAlgo_AlertRemoveFeaturesFailed
-Error: The Feature Removal algorithm has failed
+The Feature Removal algorithm has failed
 
 .BOPAlgo_AlertSolidBuilderUnusedFaces
-Warning: Some of the faces passed to the Solid Builder algorithm have not been classified and not used for solids creation
+Some of the faces passed to the Solid Builder algorithm have not been classified and not used for solids creation
 
 .BOPAlgo_AlertFaceBuilderUnusedEdges
-Warning: Some of the edges passed to the Face Builder algorithm have not been classified and not used for faces creation
+Some of the edges passed to the Face Builder algorithm have not been classified and not used for faces creation
 
 .BOPAlgo_AlertUnableToOrientTheShape
-Warning: Unable to orient the shape correctly
+Unable to orient the shape correctly
+
+.BOPAlgo_AlertUnknownShape
+Shape is unknown for operation
+
+.BOPAlgo_AlertNoPeriodicityRequired
+No periodicity has been requested for the shape
+
+.BOPAlgo_AlertUnableToTrim
+Unable to trim the shape for making it periodic (BOP Common fails)
+
+.BOPAlgo_AlertUnableToMakeIdentical
+Unable to make the shape to look identical on opposite sides (Splitter fails)
+
+.BOPAlgo_AlertUnableToRepeat
+Unable to repeat the shape (Gluer fails)
+
+.BOPAlgo_AlertMultiDimensionalArguments
+Multi-dimensional arguments
+
+.BOPAlgo_AlertUnableToMakePeriodic
+Unable to make the shape periodic
+
+.BOPAlgo_AlertUnableToGlue
+Unable to glue the shapes
+
+.BOPAlgo_AlertShapeIsNotPeriodic
+The shape is not periodic

src/BOPAlgo/BOPAlgo_Alerts.hxx

@@ -30,7 +30,7 @@ DEFINE_SIMPLE_ALERT(BOPAlgo_AlertBuilderFailed)
 //! The intersection of the arguments has failed
 DEFINE_SIMPLE_ALERT(BOPAlgo_AlertIntersectionFailed)
 
-//! The type of Boolean Operation is not set
+//! More than one argument is provided
 DEFINE_SIMPLE_ALERT(BOPAlgo_AlertMultipleArguments)
 
 //! The Pave Filler (the intersection tool) has not been created
@@ -111,4 +111,31 @@ DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertFaceBuilderUnusedEdges)
 //! Unable to orient the shape correctly
 DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertUnableToOrientTheShape)
 
+//! Shape is unknown for operation
+DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertUnknownShape)
+
+//! No periodicity has been requested for the shape
+DEFINE_SIMPLE_ALERT(BOPAlgo_AlertNoPeriodicityRequired)
+
+//! Unable to trim the shape for making it periodic (BOP Common fails)
+DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertUnableToTrim)
+
+//! Unable to make the shape to look identical on opposite sides (Splitter fails)
+DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertUnableToMakeIdentical)
+
+//! Unable to repeat the shape (Gluer fails)
+DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertUnableToRepeat)
+
+//! Multi-dimensional arguments
+DEFINE_SIMPLE_ALERT(BOPAlgo_AlertMultiDimensionalArguments)
+
+//! Unable to make the shape periodic
+DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertUnableToMakePeriodic)
+
+//! Unable to glue the shapes
+DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertUnableToGlue)
+
+//! The shape is not periodic
+DEFINE_ALERT_WITH_SHAPE(BOPAlgo_AlertShapeIsNotPeriodic)
+
 #endif // _BOPAlgo_Alerts_HeaderFile

src/BOPAlgo/BOPAlgo_BOP.cxx

@@ -30,6 +30,7 @@
 #include <TopAbs_ShapeEnum.hxx>
 #include <TopExp.hxx>
 #include <TopExp_Explorer.hxx>
+#include <TopoDS.hxx>
 #include <TopoDS_Compound.hxx>
 #include <TopoDS_Edge.hxx>
 #include <TopoDS_Iterator.hxx>
@@ -772,6 +773,32 @@ void BOPAlgo_BOP::BuildRC()
 //=======================================================================
 void BOPAlgo_BOP::BuildShape()
 {
+  if (myDims[0] == 3 && myDims[1] == 3)
+  {
+    // For the Boolean operation on solids we need to check first
+    // if we are dealing with closed solids, because for open solids
+    // we cannot expect the BuilderSolid algorithm to produce good
+    // splits for them and have to try the alternative approach for
+    // building the result shape.
+    // This approach is not used by default as it will loose the
+    // modification history for solids, because the result solid
+    // will be built from scratch using the splits of faces.
+    Standard_Boolean hasNotClosedSolids = CheckArgsForOpenSolid();
+    if (hasNotClosedSolids)
+    {
+      Handle(Message_Report) aReport = new Message_Report();
+      BuildBOP(myArguments, myTools, myOperation, aReport);
+      if (aReport->GetAlerts(Message_Fail).IsEmpty())
+      {
+        // Success. Merge the report into the main report.
+        myReport->Merge(aReport);
+        return;
+      }
+    }
+  }
+
+  // Build the result using splits of arguments.
+
   BuildRC();
   //
   if ((myOperation == BOPAlgo_FUSE) && (myDims[0] == 3)) {
@@ -1169,6 +1196,157 @@ void BOPAlgo_BOP::BuildSolid()
   //
   myShape = aResult;
 }
+
+//=======================================================================
+//function : CheckArgsForOpenSolid
+//purpose  : 
+//=======================================================================
+Standard_Boolean BOPAlgo_BOP::CheckArgsForOpenSolid()
+{
+  // Analyze the report to find if BuilderSolid has generated warnings
+  // for any of the solids and collect these solids to check if they are open.
+  TopTools_MapOfShape aFailedSolids;
+  {
+    const Message_ListOfAlert& aList = myReport->GetAlerts(Message_Warning);
+    for (Message_ListOfAlert::Iterator aIt(aList); aIt.More(); aIt.Next())
+    {
+      const Handle(Standard_Type)& aType = aIt.Value()->DynamicType();
+      if (aType != STANDARD_TYPE(BOPAlgo_AlertSolidBuilderUnusedFaces))
+        continue;
+
+      Handle(TopoDS_AlertWithShape) aShapeAlert = Handle(TopoDS_AlertWithShape)::DownCast(aIt.Value());
+      if (!aShapeAlert.IsNull())
+      {
+        const TopoDS_Shape& aWarnShape = aShapeAlert->GetShape();
+        if (!aWarnShape.IsNull())
+        {
+          TopExp_Explorer expS(aWarnShape, TopAbs_SOLID);
+          for (; expS.More(); expS.Next())
+            aFailedSolids.Add(expS.Current());
+        }
+      }
+    }
+  }
+
+  // Iterate on all solids from the arguments and check if any
+  // of them are not closed.
+  // At the same time, collect all internal faces of the input solids
+  // to check if the splits of open solids did not acquire any new
+  // internal faces.
+
+  const Standard_Integer aNbS = myDS->NbSourceShapes();
+  for (Standard_Integer i = 0; i < aNbS; ++i)
+  {
+    const BOPDS_ShapeInfo& aSI = myDS->ShapeInfo(i);
+    if (aSI.ShapeType() != TopAbs_SOLID)
+      continue;
+
+    const TopoDS_Shape& aSolid = aSI.Shape();
+
+    // Check that not INTERNAL faces create closed loops
+    TopTools_IndexedDataMapOfShapeListOfShape aMEF;
+    // Collect all splits of internal faces
+    TopTools_MapOfShape aMFInternal;
+
+    for (TopoDS_Iterator itSh(aSolid); itSh.More(); itSh.Next())
+    {
+      const TopoDS_Shape& aSh = itSh.Value();
+      if (aSh.ShapeType() != TopAbs_SHELL)
+        continue;
+
+      for (TopoDS_Iterator itF(aSh); itF.More(); itF.Next())
+      {
+        const TopoDS_Shape& aF = itF.Value();
+        if (aF.Orientation() == TopAbs_INTERNAL)
+        {
+          const TopTools_ListOfShape* pLFIm = myImages.Seek(aF);
+          if (pLFIm)
+          {
+            TopTools_ListOfShape::Iterator itLFIm(*pLFIm);
+            for (; itLFIm.More(); itLFIm.Next())
+              aMFInternal.Add(itLFIm.Value());
+          }
+          else
+            aMFInternal.Add(aF);
+        }
+        else
+          TopExp::MapShapesAndAncestors(aF, TopAbs_EDGE, TopAbs_FACE, aMEF);
+      }
+    }
+
+    // Analyze the Edge-Face connection map on free edges
+    Standard_Boolean isClosed = Standard_True;
+    const Standard_Integer aNbE = aMEF.Extent();
+    for (Standard_Integer j = 1; j <= aNbE && isClosed; ++j)
+    {
+      const TopoDS_Edge& aE = TopoDS::Edge(aMEF.FindKey(j));
+      if (BRep_Tool::Degenerated(aE))
+        // Skip degenerated edges
+        continue;
+
+      isClosed = (aMEF(j).Extent() > 1);
+      if (!isClosed)
+      {
+        const TopoDS_Face& aF = TopoDS::Face(aMEF(j).First());
+        isClosed = BRep_Tool::IsClosed(aE, aF); // Check for seam edges
+        if (!isClosed)
+        {
+          // Check if the edge is not internal in the face
+          TopExp_Explorer expE(aF, TopAbs_EDGE);
+          for (; expE.More(); expE.Next())
+          {
+            if (expE.Current().IsSame(aE))
+            {
+              isClosed = (expE.Current().Orientation() == TopAbs_INTERNAL);
+              break;
+            }
+          }
+        }
+      }
+    }
+
+    if (isClosed)
+      continue;
+
+    // Not closed solid is found
+
+    if (aFailedSolids.Contains(aSolid))
+      // Warning has been generated for this solid, return positive result right away.
+      return Standard_True;
+
+    
+    // Check the splits not to acquire new INTERNAL faces
+    const TopTools_ListOfShape *pLSIm = myImages.Seek(aSolid);
+    if (!pLSIm)
+      continue;
+
+    TopTools_ListOfShape::Iterator itLSIm(*pLSIm);
+    for (; itLSIm.More(); itLSIm.Next())
+    {
+      const TopoDS_Shape& aSIm = itLSIm.Value();
+      for (TopoDS_Iterator itSh(aSIm); itSh.More(); itSh.Next())
+      {
+        const TopoDS_Shape& aSh = itSh.Value();
+        if (aSh.ShapeType() != TopAbs_SHELL)
+          continue;
+
+        for (TopoDS_Iterator itF(aSh); itF.More(); itF.Next())
+        {
+          const TopoDS_Shape& aF = itF.Value();
+          if (aF.Orientation() == TopAbs_INTERNAL)
+          {
+            if (!aMFInternal.Contains(aF))
+              // New internal face is found
+              return Standard_True;
+          }
+        }
+      }
+    }
+  }
+
+  return Standard_False;
+}
+
 //=======================================================================
 //function : TypeToExplore
 //purpose  : 

src/BOPAlgo/BOPAlgo_BOP.hxx

@@ -107,6 +107,12 @@ protected:
   //! all shapes in one of the groups are empty shapes.
   Standard_EXPORT Standard_Boolean TreatEmptyShape();
 
+  //! Checks if the arguments of Boolean Operation on solids
+  //! contain any open solids, for which the building of the splits
+  //! has failed. In case of positive check, run different procedure
+  //! for building the result shape.
+  Standard_EXPORT virtual Standard_Boolean CheckArgsForOpenSolid();
+
 protected:
 
   BOPAlgo_Operation myOperation;

src/BOPAlgo/BOPAlgo_BOPAlgo_msg.pxx

@@ -9,94 +9,121 @@ static const char BOPAlgo_BOPAlgo_msg[] =
   "N/A\n"
   "\n"
   ".BOPAlgo_AlertBOPIsNotSet\n"
-  "Error: The type of Boolean Operation is not set\n"
+  "The type of Boolean Operation is not set\n"
   "\n"
   ".BOPAlgo_AlertBOPNotAllowed\n"
-  "Error: Boolean operation of the given type is not allowed on the given inputs\n"
+  "Boolean operation of the given type is not allowed on the given inputs\n"
   "\n"
   ".BOPAlgo_AlertSolidBuilderFailed\n"
-  "Error: Building Fused solid has failed\n"
+  "Building Fused solid has failed\n"
   "\n"
   ".BOPAlgo_AlertTooFewArguments\n"
-  "Error: There are no enough arguments to perform the operation\n"
+  "There are no enough arguments to perform the operation\n"
   "\n"
   ".BOPAlgo_AlertMultipleArguments\n"
-  "Error: More than one argument is provided\n"
+  "More than one argument is provided\n"
   "\n"
   ".BOPAlgo_AlertNoFiller\n"
-  "Error: The Pave Filler (the intersection tool) has not been created\n"
+  "The Pave Filler (the intersection tool) has not been created\n"
   "\n"
   ".BOPAlgo_AlertIntersectionFailed\n"
-  "Error: The intersection of the arguments has failed\n"
+  "The intersection of the arguments has failed\n"
   "\n"
   ".BOPAlgo_AlertBuilderFailed\n"
-  "Error: Building of the result shape has failed\n"
+  "Building of the result shape has failed\n"
   "\n"
   ".BOPAlgo_AlertNullFace\n"
-  "Error: The face given to be split is a null shape\n"
+  "The face given to be split is a null shape\n"
   "\n"
   ".BOPAlgo_AlertNullInputShapes\n"
-  "Error: No or null input shapes\n"
+  "No or null input shapes\n"
   "\n"
   ".BOPAlgo_AlertPostTreatFF\n"
-  "Error: Cannot connect face intersection curves\n"
+  "Cannot connect face intersection curves\n"
   "\n"
   ".BOPAlgo_AlertEmptyShape\n"
-  "Warning: Some of the arguments are empty shapes\n"
+  "Some of the arguments are empty shapes\n"
   "\n"
   ".BOPAlgo_AlertSelfInterferingShape\n"
-  "Warning: Some of the arguments are self-interfering shapes\n"
+  "Some of the arguments are self-interfering shapes\n"
   "\n"
   ".BOPAlgo_AlertTooSmallEdge\n"
-  "Warning: Some edges are too small and have no valid range\n"
+  "Some edges are too small and have no valid range\n"
   "\n"
   ".BOPAlgo_AlertNotSplittableEdge\n"
-  "Warning: Some edges are very small and have such a small valid range, that they cannot be split\n"
+  "Some edges are very small and have such a small valid range, that they cannot be split\n"
   "\n"
   ".BOPAlgo_AlertBadPositioning\n"
-  "Warning: The positioning of the shapes leads to creation of the small edges without valid range\n"
+  "The positioning of the shapes leads to creation of the small edges without valid range\n"
   "\n"
   ".BOPAlgo_AlertShellSplitterFailed\n"
-  "Warning: Unable to build loops from the given faces\n"
+  "Unable to build loops from the given faces\n"
   "\n"
   ".BOPAlgo_AlertRemovalOfIBForMDimShapes\n"
-  "Warning: Removal of internal boundaries among the multi-dimensional shapes is not supported yet\n"
+  "Removal of internal boundaries among the multi-dimensional shapes is not supported yet\n"
   "\n"
   ".BOPAlgo_AlertRemovalOfIBForSolidsFailed\n"
-  "Warning: Removal of internal boundaries among Solids has failed\n"
+  "Removal of internal boundaries among Solids has failed\n"
   "\n"
   ".BOPAlgo_AlertRemovalOfIBForFacesFailed\n"
-  "Warning: Removal of internal boundaries among Faces has failed\n"
+  "Removal of internal boundaries among Faces has failed\n"
   "\n"
   ".BOPAlgo_AlertRemovalOfIBForEdgesFailed\n"
-  "Warning: Removal of internal boundaries among Edges has failed\n"
+  "Removal of internal boundaries among Edges has failed\n"
   "\n"
   ".BOPAlgo_AlertIntersectionOfPairOfShapesFailed\n"
-  "Warning: Intersection of pair of shapes has failed\n"
+  "Intersection of pair of shapes has failed\n"
   "\n"
   ".BOPAlgo_AlertBuildingPCurveFailed\n"
-  "Warning: Building 2D curve of edge on face has failed\n"
+  "Building 2D curve of edge on face has failed\n"
   "\n"
   ".BOPAlgo_AlertAcquiredSelfIntersection\n"
-  "Warning: Some sub-shapes of some of the argument become connected through other shapes and the argument became self-interfered\n"
+  "Some sub-shapes of some of the argument become connected through other shapes and the argument became self-interfered\n"
   "\n"
   ".BOPAlgo_AlertUnsupportedType\n"
-  "Warning: Unsupported type of input shape\n"
+  "Unsupported type of input shape\n"
   "\n"
   ".BOPAlgo_AlertUnableToRemoveTheFeature\n"
-  "Warning: Unable to remove the feature\n"
+  "Unable to remove the feature\n"
   "\n"
   ".BOPAlgo_AlertNoFacesToRemove\n"
-  "Error: No faces have been found for removal\n"
+  "No faces have been found for removal\n"
   "\n"
   ".BOPAlgo_AlertRemoveFeaturesFailed\n"
-  "Error: The Feature Removal algorithm has failed\n"
+  "The Feature Removal algorithm has failed\n"
   "\n"
   ".BOPAlgo_AlertSolidBuilderUnusedFaces\n"
-  "Warning: Some of the faces passed to the Solid Builder algorithm have not been classified and not used for solids creation\n"
+  "Some of the faces passed to the Solid Builder algorithm have not been classified and not used for solids creation\n"
   "\n"
   ".BOPAlgo_AlertFaceBuilderUnusedEdges\n"
-  "Warning: Some of the edges passed to the Face Builder algorithm have not been classified and not used for faces creation\n"
+  "Some of the edges passed to the Face Builder algorithm have not been classified and not used for faces creation\n"
   "\n"
   ".BOPAlgo_AlertUnableToOrientTheShape\n"
-  "Warning: Unable to orient the shape correctly\n";
+  "Unable to orient the shape correctly\n"
+  "\n"
+  ".BOPAlgo_AlertUnknownShape\n"
+  "Shape is unknown for operation\n"
+  "\n"
+  ".BOPAlgo_AlertNoPeriodicityRequired\n"
+  "No periodicity has been requested for the shape\n"
+  "\n"
+  ".BOPAlgo_AlertUnableToTrim\n"
+  "Unable to trim the shape for making it periodic (BOP Common fails)\n"
+  "\n"
+  ".BOPAlgo_AlertUnableToMakeIdentical\n"
+  "Unable to make the shape to look identical on opposite sides (Splitter fails)\n"
+  "\n"
+  ".BOPAlgo_AlertUnableToRepeat\n"
+  "Unable to repeat the shape (Gluer fails)\n"
+  "\n"
+  ".BOPAlgo_AlertMultiDimensionalArguments\n"
+  "Multi-dimensional arguments\n"
+  "\n"
+  ".BOPAlgo_AlertUnableToMakePeriodic\n"
+  "Unable to make the shape periodic\n"
+  "\n"
+  ".BOPAlgo_AlertUnableToGlue\n"
+  "Unable to glue the shapes\n"
+  "\n"
+  ".BOPAlgo_AlertShapeIsNotPeriodic\n"
+  "The shape is not periodic\n";

src/BOPAlgo/BOPAlgo_Builder.cxx

@@ -17,22 +17,24 @@
 
 
 #include <BOPAlgo_Builder.hxx>
-#include <BOPAlgo_PaveFiller.hxx>
 #include <BOPAlgo_Alerts.hxx>
+#include <BOPAlgo_BuilderSolid.hxx>
+#include <BOPAlgo_PaveFiller.hxx>
+#include <BOPAlgo_Tools.hxx>
+#include <BOPDS_DS.hxx>
+#include <BOPDS_ShapeInfo.hxx>
 #include <BOPTools_AlgoTools.hxx>
 #include <BRep_Builder.hxx>
 #include <IntTools_Context.hxx>
 #include <Standard_ErrorHandler.hxx>
 #include <Standard_Failure.hxx>
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopoDS.hxx>
 #include <TopoDS_Compound.hxx>
-#include <BRep_Builder.hxx>
-
-#include <BOPDS_ShapeInfo.hxx>
-#include <BOPDS_DS.hxx>
-
-#include <BOPTools_AlgoTools.hxx>
+#include <TopoDS_Solid.hxx>
 #include <TopTools_IndexedMapOfShape.hxx>
-#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopTools_MapOfOrientedShape.hxx>
 
 
 //=======================================================================
@@ -50,6 +52,7 @@ BOPAlgo_Builder::BOPAlgo_Builder()
   myImages(100, myAllocator),
   myShapesSD(100, myAllocator),
   myOrigins(100, myAllocator),
+  myInParts(100, myAllocator),
   myNonDestructive(Standard_False),
   myGlue(BOPAlgo_GlueOff),
   myCheckInverted(Standard_True)
@@ -71,6 +74,7 @@ BOPAlgo_Builder::BOPAlgo_Builder
   myImages(100, myAllocator), 
   myShapesSD(100, myAllocator),
   myOrigins(100, myAllocator),
+  myInParts(100, myAllocator),
   myNonDestructive(Standard_False),
   myGlue(BOPAlgo_GlueOff),
   myCheckInverted(Standard_True)
@@ -101,6 +105,7 @@ void BOPAlgo_Builder::Clear()
   myImages.Clear();
   myShapesSD.Clear();
   myOrigins.Clear();
+  myInParts.Clear();
 }
 //=======================================================================
 //function : AddArgument
@@ -376,3 +381,366 @@ void BOPAlgo_Builder::PostTreat()
   BOPTools_AlgoTools::CorrectTolerances(myShape, aMA, 0.05, myRunParallel);
   BOPTools_AlgoTools::CorrectShapeTolerances(myShape, aMA, myRunParallel);
 }
+
+//=======================================================================
+//function : BuildBOP
+//purpose  : 
+//=======================================================================
+void BOPAlgo_Builder::BuildBOP(const TopTools_ListOfShape& theObjects,
+                               const TopAbs_State          theObjState,
+                               const TopTools_ListOfShape& theTools,
+                               const TopAbs_State          theToolsState,
+                               Handle(Message_Report)      theReport)
+{
+  if (HasErrors())
+    return;
+
+  // Report for the method
+  Handle(Message_Report) aReport = theReport.IsNull() ? myReport : theReport;
+
+  if (myArguments.IsEmpty() || myShape.IsNull())
+  {
+    aReport->AddAlert(Message_Fail, new BOPAlgo_AlertBuilderFailed());
+    return;
+  }
+
+  // Check the input data
+  if ((theObjState   != TopAbs_IN && theObjState   != TopAbs_OUT) ||
+      (theToolsState != TopAbs_IN && theToolsState != TopAbs_OUT))
+  {
+    aReport->AddAlert(Message_Fail, new BOPAlgo_AlertBOPNotSet());
+    return;
+  }
+
+  // Check input shapes
+  Standard_Boolean hasObjects = !theObjects.IsEmpty();
+  Standard_Boolean hasTools   = !theTools  .IsEmpty();
+  if (!hasObjects && !hasTools)
+  {
+    aReport->AddAlert(Message_Fail, new BOPAlgo_AlertTooFewArguments());
+    return;
+  }
+
+  // Check that all input solids are from the arguments
+  for (Standard_Integer i = 0; i < 2; ++i)
+  {
+    const TopTools_ListOfShape& aList = !i ? theObjects : theTools;
+    TopTools_ListOfShape::Iterator itLS(aList);
+    for (; itLS.More(); itLS.Next())
+    {
+      const TopoDS_Shape& aS = itLS.Value();
+      // Check if the shape belongs to the arguments of operation
+      if (myDS->Index(aS) < 0)
+      {
+        aReport->AddAlert(Message_Fail, new BOPAlgo_AlertUnknownShape(aS));
+        return;
+      }
+
+      // Check if the shape is a solid or collection of them
+      if (aS.ShapeType() != TopAbs_SOLID)
+      {
+        TopTools_ListOfShape aLS;
+        TopTools_MapOfShape aMFence;
+        BOPAlgo_Tools::TreatCompound(aS, aMFence, aLS);
+
+        TopTools_ListOfShape::Iterator it(aLS);
+        for (; it.More(); it.Next())
+        {
+          const TopoDS_Shape& aSx = it.Value();
+          if (aSx.ShapeType() != TopAbs_SOLID &&
+              aSx.ShapeType() != TopAbs_COMPSOLID)
+          {
+            aReport->AddAlert(Message_Fail, new BOPAlgo_AlertUnsupportedType(aS));
+            return;
+          }
+        }
+      }
+    }
+  }
+
+  // Classification of the faces relatively solids has been made
+  // on the stage of Solids splitting. All results are saved into
+  // myInParts map, which connects the solids with its IN faces from
+  // other arguments. All faces not contained in the list of IN faces
+  // will be considered as OUT.
+
+  // Prepare the maps of splits of solids faces with orientations
+  TopTools_IndexedMapOfOrientedShape aMObjFacesOri, aMToolFacesOri;
+  // Prepare the maps of splits of solids faces
+  TopTools_IndexedMapOfShape aMObjFaces, aMToolFaces;
+  // Copy the list of IN faces of the solids into map
+  TopTools_MapOfShape anINObjects, anINTools;
+
+  for (Standard_Integer i = 0; i < 2; ++i)
+  {
+    const TopTools_ListOfShape& aList = !i ? theObjects : theTools;
+    TopTools_IndexedMapOfOrientedShape& aMapOri  = !i ? aMObjFacesOri : aMToolFacesOri;
+    TopTools_IndexedMapOfShape& aMap = !i ? aMObjFaces : aMToolFaces;
+    TopTools_ListOfShape::Iterator itLS(aList);
+    for (; itLS.More(); itLS.Next())
+    {
+      const TopoDS_Shape& aShape = itLS.Value();
+      TopExp_Explorer expS(aShape, TopAbs_SOLID);
+      for (; expS.More(); expS.Next())
+      {
+        const TopoDS_Shape& aS = expS.Current();
+        TopExp_Explorer expF(aS, TopAbs_FACE);
+        for (; expF.More(); expF.Next())
+        {
+          const TopoDS_Shape& aF = expF.Current();
+          if (aF.Orientation() != TopAbs_FORWARD &&
+              aF.Orientation() != TopAbs_REVERSED)
+            continue;
+          const TopTools_ListOfShape* pLFIm = myImages.Seek(aF);
+          if (pLFIm)
+          {
+            TopTools_ListOfShape::Iterator itLFIm(*pLFIm);
+            for (; itLFIm.More(); itLFIm.Next())
+            {
+              TopoDS_Face aFIm = TopoDS::Face(itLFIm.Value());
+              if (BOPTools_AlgoTools::IsSplitToReverse(aFIm, aF, myContext))
+                aFIm.Reverse();
+              aMapOri.Add(aFIm);
+              aMap.Add(aFIm);
+            }
+          }
+          else
+          {
+            aMapOri.Add(aF);
+            aMap.Add(aF);
+          }
+        }
+
+        // Copy the list of IN faces into a map
+        const TopTools_ListOfShape* pLFIN = myInParts.Seek(aS);
+        if (pLFIN)
+        {
+          TopTools_MapOfShape& anINMap = !i ? anINObjects : anINTools;
+          TopTools_ListOfShape::Iterator itLFIn(*pLFIN);
+          for (; itLFIn.More(); itLFIn.Next())
+            anINMap.Add(itLFIn.Value());
+        }
+      }
+    }
+  }
+
+  // Now we need to select all faces which will participate in
+  // building of the resulting solids. The final set of faces
+  // depends on the given states for the groups.
+  Standard_Boolean isObjectsIN = (theObjState   == TopAbs_IN),
+                   isToolsIN   = (theToolsState == TopAbs_IN);
+
+  // Shortcuts
+  Standard_Boolean bAvoidIN = (!isObjectsIN && !isToolsIN), // avoid all in faces
+                   bAvoidINforBoth = (isObjectsIN != isToolsIN); // avoid faces IN for both groups
+
+  // Choose which SD faces are needed to be taken - equally or differently oriented faces
+  Standard_Boolean isSameOriNeeded = (theObjState == theToolsState);
+  // Resulting faces
+  TopTools_IndexedMapOfOrientedShape aMResFacesOri;
+  TopTools_MapOfShape aMResFacesFence;
+  // Fence map
+  TopTools_MapOfShape aMFence, aMFToAvoid;
+  // Oriented fence map
+  TopTools_MapOfOrientedShape aMFenceOri;
+
+  for (Standard_Integer i = 0; i < 2; ++i)
+  {
+    const TopTools_IndexedMapOfOrientedShape& aMap  = !i ? aMObjFacesOri : aMToolFacesOri;
+    const TopTools_IndexedMapOfShape& anOppositeMap  = !i ? aMToolFaces : aMObjFaces;
+    const TopTools_MapOfShape& anINMap = !i ? anINObjects : anINTools;
+    const TopTools_MapOfShape& anOppositeINMap = !i ? anINTools : anINObjects;
+    const Standard_Boolean bTakeIN = !i ? isObjectsIN : isToolsIN;
+
+    const Standard_Integer aNbF = aMap.Extent();
+    for (Standard_Integer j = 1; j <= aNbF; ++j)
+    {
+      TopoDS_Shape aFIm = aMap(j);
+
+      Standard_Boolean isIN = anINMap.Contains(aFIm);
+      Standard_Boolean isINOpposite = anOppositeINMap.Contains(aFIm);
+
+      // Filtering for FUSE - avoid any IN faces
+      if (bAvoidIN && (isIN || isINOpposite))
+        continue;
+
+      // Filtering for CUT - avoid faces IN for both groups
+      if (bAvoidINforBoth && isIN && isINOpposite)
+        continue;
+
+      // Treatment of SD faces
+      if (!aMFence.Add(aFIm))
+      {
+        if (!anOppositeMap.Contains(aFIm))
+        {
+          // The face belongs to only one group
+          if (bTakeIN != isSameOriNeeded)
+            aMFToAvoid.Add(aFIm);
+        }
+        else
+        {
+          // The face belongs to both groups.
+          // Using its orientation decide if it is needed in the result or not.
+          Standard_Boolean isSameOri = !aMFenceOri.Add(aFIm);
+          if (isSameOriNeeded == isSameOri)
+          {
+            // Take the shape without classification
+            if (aMResFacesFence.Add(aFIm))
+              aMResFacesOri.Add(aFIm);
+          }
+          else
+            // Remove the face
+            aMFToAvoid.Add(aFIm);
+
+          continue;
+        }
+      }
+      if (!aMFenceOri.Add(aFIm))
+        continue;
+
+      if (bTakeIN == isINOpposite)
+      {
+        if (isIN)
+        {
+          aMResFacesOri.Add(aFIm);
+          aMResFacesOri.Add(aFIm.Reversed());
+        }
+        else if (bTakeIN && !isSameOriNeeded)
+          aMResFacesOri.Add(aFIm.Reversed());
+        else
+          aMResFacesOri.Add(aFIm);
+        aMResFacesFence.Add(aFIm);
+      }
+    }
+  }
+
+  // Remove the faces which has to be avoided
+  TopTools_ListOfShape aResFaces;
+  const Standard_Integer aNbRF = aMResFacesOri.Extent();
+  for (Standard_Integer i = 1; i <= aNbRF; ++i)
+  {
+    const TopoDS_Shape& aRF = aMResFacesOri(i);
+    if (!aMFToAvoid.Contains(aRF))
+      aResFaces.Append(aRF);
+  }
+
+  BRep_Builder aBB;
+
+  // Try to build closed solids from the faces
+  BOPAlgo_BuilderSolid aBS;
+  aBS.SetShapes(aResFaces);
+  aBS.SetRunParallel(myRunParallel);
+  aBS.SetContext(myContext);
+  aBS.SetFuzzyValue(myFuzzyValue);
+  aBS.SetProgressIndicator(myProgressIndicator);
+  aBS.Perform();
+
+  // Resulting solids
+  TopTools_ListOfShape aResSolids;
+
+  aMFence.Clear();
+  if (!aBS.HasErrors())
+  {
+    // If any, add solids into resulting compound
+    TopTools_ListIteratorOfListOfShape itA(aBS.Areas());
+    for (; itA.More(); itA.Next())
+    {
+      const TopoDS_Shape& aSolid = itA.Value();
+      // The solid must contain at least one face
+      // from either of objects or tools
+      TopExp_Explorer expF(aSolid, TopAbs_FACE);
+      for (; expF.More(); expF.Next())
+      {
+        const TopoDS_Shape& aF = expF.Current();
+        if (aMObjFacesOri.Contains(aF) || aMToolFacesOri.Contains(aF))
+          break;
+      }
+      if (expF.More())
+      {
+        aResSolids.Append(aSolid);
+        TopExp::MapShapes(aSolid, aMFence);
+      }
+    }
+  }
+
+  // Collect unused faces
+  TopoDS_Compound anUnUsedFaces;
+  aBB.MakeCompound(anUnUsedFaces);
+
+  TopTools_ListOfShape::Iterator itLF(aResFaces);
+  for (; itLF.More(); itLF.Next())
+  {
+    if (aMFence.Add(itLF.Value()))
+      aBB.Add(anUnUsedFaces, itLF.Value());
+  }
+
+  // Build blocks from the unused faces
+  TopTools_ListOfShape aLCB;
+  BOPTools_AlgoTools::MakeConnexityBlocks(anUnUsedFaces, TopAbs_EDGE, TopAbs_FACE, aLCB);
+
+  // Build solid from each block
+  TopTools_ListIteratorOfListOfShape itCB(aLCB);
+  for (; itCB.More(); itCB.Next())
+  {
+    const TopoDS_Shape& aCB = itCB.Value();
+    TopoDS_Shell aShell;
+    aBB.MakeShell(aShell);
+    // Add faces of the block to the shell
+    TopExp_Explorer anExpF(aCB, TopAbs_FACE);
+    for (; anExpF.More(); anExpF.Next())
+      aBB.Add(aShell, TopoDS::Face(anExpF.Current()));
+
+    BOPTools_AlgoTools::OrientFacesOnShell(aShell);
+    // Make solid out of the shell
+    TopoDS_Solid aSolid;
+    aBB.MakeSolid(aSolid);
+    aBB.Add(aSolid, aShell);
+    // Add new solid to result
+    aResSolids.Append(aSolid);
+  }
+
+  if (!bAvoidIN)
+  {
+    // Fill solids with internal parts coming with the solids
+    TopTools_ListOfShape anInParts;
+    for (Standard_Integer i = 0; i < 2; ++i)
+    {
+      const TopTools_ListOfShape& aList = !i ? theObjects : theTools;
+      TopTools_ListOfShape::Iterator itLS(aList);
+      for (; itLS.More(); itLS.Next())
+      {
+        TopExp_Explorer expS(itLS.Value(), TopAbs_SOLID);
+        for (; expS.More(); expS.Next())
+        {
+          const TopoDS_Shape& aS = expS.Current(); // Solid
+          for (TopoDS_Iterator it(aS); it.More(); it.Next())
+          {
+            const TopoDS_Shape& aSInt = it.Value();
+            if (aSInt.Orientation() == TopAbs_INTERNAL)
+              anInParts.Append(aSInt); // vertex or edge
+            else
+            {
+              // shell treatment
+              TopoDS_Iterator itInt(aSInt);
+              if (itInt.More() && itInt.Value().Orientation() == TopAbs_INTERNAL)
+                anInParts.Append(aSInt);
+            }
+          }
+        }
+      }
+    }
+
+    BOPAlgo_Tools::FillInternals(aResSolids, anInParts, myImages, myContext);
+  }
+
+  // Combine solids into compound
+  TopoDS_Shape aResult;
+  aBB.MakeCompound(TopoDS::Compound(aResult));
+
+  TopTools_ListOfShape::Iterator itLS(aResSolids);
+  for (; itLS.More(); itLS.Next())
+    aBB.Add(aResult, itLS.Value());
+
+  myShape = aResult;
+  PrepareHistory();
+}

src/BOPAlgo/BOPAlgo_Builder.hxx

@@ -25,6 +25,7 @@
 #include <BOPAlgo_PPaveFiller.hxx>
 #include <BOPAlgo_BuilderShape.hxx>
 #include <BOPAlgo_GlueEnum.hxx>
+#include <BOPAlgo_Operation.hxx>
 #include <BOPDS_PDS.hxx>
 #include <NCollection_BaseAllocator.hxx>
 #include <Standard_Integer.hxx>
@@ -38,6 +39,7 @@
 class IntTools_Context;
 class TopoDS_Shape;
 class BOPAlgo_PaveFiller;
+class TopoDS_Solid;
 
 //!
 //! The class is a General Fuse algorithm - base algorithm for the
@@ -174,6 +176,114 @@ public: //! @name Performing the operation
   Standard_EXPORT virtual void PerformWithFiller (const BOPAlgo_PaveFiller& theFiller);
 
 
+public: //! @name BOPs on open solids
+
+  //! Builds the result shape according to the given states for the objects
+  //! and tools. These states can be unambiguously converted into the Boolean operation type.
+  //! Thus, it performs the Boolean operation on the given groups of shapes.
+  //!
+  //! The result is built basing on the result of Builder operation (GF or any other).
+  //! The only condition for the Builder is that the splits of faces should be created
+  //! and classified relatively solids.
+  //!
+  //! The method uses classification approach for choosing the faces which will
+  //! participate in building the result shape:
+  //! - All faces from each group having the given state for the opposite group
+  //!   will be taken into result.
+  //!
+  //! Such approach shows better results (in comparison with BOPAlgo_BuilderSolid approach)
+  //! when working with open solids. However, the result may not be always
+  //! correct on such data (at least, not as expected) as the correct classification
+  //! of the faces relatively open solids is not always possible and may vary
+  //! depending on the chosen classification point on the face.
+  //!
+  //! History is not created for the solids in this method.
+  //!
+  //! To avoid pollution of the report of Builder algorithm, there is a possibility to pass
+  //! the different report to collect the alerts of the method only. But, if the new report
+  //! is not given, the Builder report will be used.
+  //! So, even if Builder passed without any errors, but some error has been stored into its report
+  //! in this method, for the following calls the Builder report must be cleared.
+  //!
+  //! The method may set the following errors:
+  //! - BOPAlgo_AlertBuilderFailed - Building operation has not been performed yet or failed;
+  //! - BOPAlgo_AlertBOPNotSet - invalid BOP type is given (COMMON/FUSE/CUT/CUT21 are supported);
+  //! - BOPAlgo_AlertTooFewArguments - arguments are not given;
+  //! - BOPAlgo_AlertUnknownShape - the shape is unknown for the operation.
+  //!
+  //! Parameters:
+  //! @param theObjects   - The group of Objects for BOP;
+  //! @param theObjState  - State for objects faces to pass into result;
+  //! @param theTools     - The group of Tools for BOP;
+  //! @param theObjState  - State for tools faces to pass into result;
+  //! @param theReport    - The alternative report to avoid pollution of the main one.
+  Standard_EXPORT virtual void BuildBOP(const TopTools_ListOfShape& theObjects,
+                                        const TopAbs_State          theObjState,
+                                        const TopTools_ListOfShape& theTools,
+                                        const TopAbs_State          theToolsState,
+                                        Handle(Message_Report)      theReport = NULL);
+
+  //! Builds the result of Boolean operation of given type
+  //! basing on the result of Builder operation (GF or any other).
+  //!
+  //! The method converts the given type of operation into the states
+  //! for the objects and tools required for their face to pass into result
+  //! and performs the call to the same method, but with states instead
+  //! of operation type.
+  //!
+  //! The conversion looks as follows:
+  //! - COMMON is built from the faces of objects located IN any of the tools
+  //!          and vice versa.
+  //! - FUSE   is built from the faces OUT of all given shapes;
+  //! - CUT    is built from the faces of the objects OUT of the tools and
+  //!          faces of the tools located IN solids of the objects.
+  //!
+  //! @param theObjects   - The group of Objects for BOP;
+  //! @param theTools     - The group of Tools for BOP;
+  //! @param theOperation - The BOP type;
+  //! @param theReport    - The alternative report to avoid pollution of the global one.
+  void BuildBOP(const TopTools_ListOfShape& theObjects,
+                const TopTools_ListOfShape& theTools,
+                const BOPAlgo_Operation     theOperation,
+                Handle(Message_Report)      theReport = NULL)
+  {
+    TopAbs_State anObjState, aToolsState;
+    switch (theOperation)
+    {
+      case BOPAlgo_COMMON:
+      {
+        anObjState  = TopAbs_IN;
+        aToolsState = TopAbs_IN;
+        break;
+      }
+      case BOPAlgo_FUSE:
+      {
+        anObjState  = TopAbs_OUT;
+        aToolsState = TopAbs_OUT;
+        break;
+      }
+      case BOPAlgo_CUT:
+      {
+        anObjState  = TopAbs_OUT;
+        aToolsState = TopAbs_IN;
+        break;
+      }
+      case BOPAlgo_CUT21:
+      {
+        anObjState  = TopAbs_IN;
+        aToolsState = TopAbs_OUT;
+        break;
+      }
+      default:
+      {
+        anObjState  = TopAbs_UNKNOWN;
+        aToolsState = TopAbs_UNKNOWN;
+        break;
+      }
+    }
+    BuildBOP(theObjects, anObjState, theTools, aToolsState, theReport);
+  }
+
 protected: //! @name History methods
 
   //! Prepare information for history support.
@@ -315,15 +425,11 @@ protected: //! @name Fill Images of SOLIDS
                                         TopTools_ListOfShape& theLIF);
 
   //! Finds faces located inside each solid.
-  Standard_EXPORT virtual void FillIn3DParts (TopTools_DataMapOfShapeListOfShape& theInParts,
-                                              TopTools_DataMapOfShapeShape& theDraftSolids,
-                                              const Handle(NCollection_BaseAllocator)& theAllocator);
+  Standard_EXPORT virtual void FillIn3DParts(TopTools_DataMapOfShapeShape& theDraftSolids);
 
   //! Builds the splits of the solids using their draft versions
   //! and faces located inside.
-  Standard_EXPORT void BuildSplitSolids (TopTools_DataMapOfShapeListOfShape& theInParts,
-                                         TopTools_DataMapOfShapeShape& theDraftSolids,
-                                         const Handle(NCollection_BaseAllocator)& theAllocator);
+  Standard_EXPORT void BuildSplitSolids(TopTools_DataMapOfShapeShape& theDraftSolids);
 
   //! Classifies the vertices and edges from the arguments relatively
   //! splits of solids and makes them INTERNAL for solids.
@@ -358,6 +464,7 @@ protected: //! @name Fields
   TopTools_DataMapOfShapeListOfShape myImages;  //!< Images - map of Images of the sub-shapes of arguments
   TopTools_DataMapOfShapeShape myShapesSD;      //!< ShapesSD - map of SD Shapes
   TopTools_DataMapOfShapeListOfShape myOrigins; //!< Origins - map of Origins, back map of Images
+  TopTools_DataMapOfShapeListOfShape myInParts; //!< InParts - map of own and acquired IN faces of the arguments solids
   Standard_Boolean myNonDestructive;            //!< Safe processing option allows avoiding modification of the input shapes
   BOPAlgo_GlueEnum myGlue;                      //!< Gluing option allows speeding up the intersection of the input shapes
   Standard_Boolean myCheckInverted;             //!< Check inverted option allows disabling the check of input solids on inverted status

src/BOPAlgo/BOPAlgo_Builder_1.cxx

@@ -112,32 +112,35 @@ void BOPAlgo_Builder::FillImagesVertices()
 //function : BuildResult
 //purpose  : 
 //=======================================================================
-  void BOPAlgo_Builder::BuildResult(const TopAbs_ShapeEnum theType)
+void BOPAlgo_Builder::BuildResult(const TopAbs_ShapeEnum theType)
 {
-  TopAbs_ShapeEnum aType;
-  BRep_Builder aBB;
-  TopTools_MapOfShape aM;
-  TopTools_ListIteratorOfListOfShape aIt, aItIm;
-  //
-  aIt.Initialize(myArguments);
-  for (; aIt.More(); aIt.Next()) {
-    const TopoDS_Shape& aS=aIt.Value();
-    aType=aS.ShapeType();
-    if (aType==theType) {
-      if (myImages.IsBound(aS)){
-        const TopTools_ListOfShape& aLSIm=myImages.Find(aS);
-        aItIm.Initialize(aLSIm);
-        for (; aItIm.More(); aItIm.Next()) {
-          const TopoDS_Shape& aSIm=aItIm.Value();
-          if (aM.Add(aSIm)) {
-            aBB.Add(myShape, aSIm);
-          }
-        }
-      }
-      else {
-        if (aM.Add(aS)) {
-          aBB.Add(myShape, aS);
-        }
+  // Fence map
+  TopTools_MapOfShape aMFence;
+  // Iterate on all arguments of given type
+  // and add their images into result
+  TopTools_ListIteratorOfListOfShape aItA(myArguments);
+  for (; aItA.More(); aItA.Next())
+  {
+    const TopoDS_Shape& aS = aItA.Value();
+    if (aS.ShapeType() != theType)
+      continue;
+    // Get images
+    const TopTools_ListOfShape* pLSIm = myImages.Seek(aS);
+    if (!pLSIm)
+    {
+      // No images -> add the argument shape itself into result
+      if (aMFence.Add(aS))
+        BRep_Builder().Add(myShape, aS);
+    }
+    else
+    {
+      // Add images of the argument shape into result
+      TopTools_ListIteratorOfListOfShape aItIm(*pLSIm);
+      for (; aItIm.More(); aItIm.Next())
+      {
+        const TopoDS_Shape& aSIm = aItIm.Value();
+        if (aMFence.Add(aSIm))
+          BRep_Builder().Add(myShape, aSIm);
       }
     }
   }

src/BOPAlgo/BOPAlgo_Builder_2.cxx

@@ -292,31 +292,52 @@ void BOPAlgo_Builder::BuildSplitFaces()
 
     if (!aNbPBIn && !aNbPBSc)
     {
+      // If there are any alone vertices to be put in the face,
+      // the new face has to be created even if the wires of the
+      // face have not been modified.
+
+      // It is also necessary to check if the face contains any internal edges,
+      // as such edges may split the face on parts and it is better
+      // to send the face be treated by the BuilderFace algorithm.
+      // In case of alone vertices the check for internals will be performed
+      // in the BuildDraftFace method.
+      Standard_Boolean hasInternals = Standard_False;
       if (!aNbAV)
       {
         // Check if any wires of the face have been modified.
-        // If not, there is no need to create the new face.
+        // If no modified and internal wires present in the face
+        // there is no need to create the new face.
+        Standard_Boolean hasModified = Standard_False;
+
         TopoDS_Iterator aItW(aF);
         for (; aItW.More(); aItW.Next())
         {
-          if (myImages.IsBound(aItW.Value()))
+          TopoDS_Iterator itE(aItW.Value());
+          hasInternals = (itE.More() && (itE.Value().Orientation() == TopAbs_INTERNAL));
+          if (hasInternals)
             break;
+
+          hasModified |= myImages.IsBound(aItW.Value());
         }
-        if (!aItW.More())
+
+        if (!hasInternals && !hasModified)
           continue;
       }
 
-      // No internal parts for the face, so just build the draft face
-      // and keep it to pass directly into result.
-      // If the original face has any internal edges or multi-connected vertices,
-      // the draft face will be null, as such sub-shapes may split the face on parts
-      // (as in the case "bugs modalg_5 bug25245_1").
-      // The BuilderFace algorithm will be called in this case.
-      TopoDS_Face aFD = BuildDraftFace(aF, myImages, myContext, myReport);
-      if (!aFD.IsNull())
+      if (!hasInternals)
       {
-        aFacesIm(aFacesIm.Add(i, TopTools_ListOfShape())).Append(aFD);
-        continue;
+        // No internal parts for the face, so just build the draft face
+        // and keep it to pass directly into result.
+        // If the original face has any internal edges or multi-connected vertices,
+        // the draft face will be null, as such sub-shapes may split the face on parts
+        // (as in the case "bugs modalg_5 bug25245_1").
+        // The BuilderFace algorithm will be called in this case.
+        TopoDS_Face aFD = BuildDraftFace(aF, myImages, myContext, myReport);
+        if (!aFD.IsNull())
+        {
+          aFacesIm(aFacesIm.Add(i, TopTools_ListOfShape())).Append(aFD);
+          continue;
+        }
       }
     }
 

src/BOPAlgo/BOPAlgo_Builder_3.cxx

@@ -23,6 +23,7 @@
 #include <TopAbs_State.hxx>
 //
 #include <TopoDS.hxx>
+#include <TopoDS_AlertWithShape.hxx>
 #include <TopoDS_Iterator.hxx>
 #include <TopoDS_Solid.hxx>
 #include <TopoDS_Shape.hxx>
@@ -90,29 +91,21 @@ void BOPAlgo_Builder::FillImagesSolids()
   if (!bHasSolids) {
     return;
   }
-  // 
-  Handle(NCollection_BaseAllocator) aAlr;
-  //
-  aAlr=NCollection_BaseAllocator::CommonBaseAllocator();
-  //
-  TopTools_DataMapOfShapeListOfShape theInParts(100, aAlr);
-  TopTools_DataMapOfShapeShape theDraftSolids(100, aAlr);
-  //
-  FillIn3DParts(theInParts, theDraftSolids, aAlr); 
-  BuildSplitSolids(theInParts, theDraftSolids, aAlr);
+
+  // Draft solids
+  TopTools_DataMapOfShapeShape aDraftSolids;
+  // Find all IN faces for all IN faces
+  FillIn3DParts(aDraftSolids);
+  // Build split of the solids
+  BuildSplitSolids(aDraftSolids);
+  // Fill solids with internal parts
   FillInternalShapes();
-  //
-  theInParts.Clear();
-  theDraftSolids.Clear();
 }
 //=======================================================================
 //function : FillIn3DParts
 //purpose  : 
 //=======================================================================
-void BOPAlgo_Builder::FillIn3DParts
-  (TopTools_DataMapOfShapeListOfShape& theInParts,
-   TopTools_DataMapOfShapeShape& theDraftSolids,
-   const Handle(NCollection_BaseAllocator)& )
+void BOPAlgo_Builder::FillIn3DParts(TopTools_DataMapOfShapeShape& theDraftSolids)
 {
   Handle(NCollection_BaseAllocator) anAlloc = new NCollection_IncAllocator;
 
@@ -224,7 +217,7 @@ void BOPAlgo_Builder::FillIn3DParts
     if (aNbInt || aNbIN)
     {
       // Combine the lists
-      TopTools_ListOfShape *pLIN  = theInParts.Bound(aSolid, TopTools_ListOfShape());
+      TopTools_ListOfShape *pLIN  = myInParts.Bound(aSolid, TopTools_ListOfShape());
 
       TopTools_ListIteratorOfListOfShape aItLS(aLInFaces);
       for (; aItLS.More(); aItLS.Next())
@@ -360,10 +353,7 @@ typedef BOPTools_Cnt<BOPAlgo_BuilderSolidFunctor,
 //function : BuildSplitSolids
 //purpose  : 
 //=======================================================================
-void BOPAlgo_Builder::BuildSplitSolids
-  (TopTools_DataMapOfShapeListOfShape& theInParts,
-   TopTools_DataMapOfShapeShape& theDraftSolids,
-   const Handle(NCollection_BaseAllocator)&  )
+void BOPAlgo_Builder::BuildSplitSolids(TopTools_DataMapOfShapeShape& theDraftSolids)
 {
   Standard_Boolean bFlagSD;
   Standard_Integer i, aNbS;
@@ -417,7 +407,7 @@ void BOPAlgo_Builder::BuildSplitSolids
       continue;
 
     const TopoDS_Shape& aSD = theDraftSolids.Find(aS);
-    const TopTools_ListOfShape* pLFIN = theInParts.Seek(aS);
+    const TopTools_ListOfShape* pLFIN = myInParts.Seek(aS);
     if (!pLFIN || pLFIN->IsEmpty())
     {
       aSolidsIm(aSolidsIm.Add(aS, TopTools_ListOfShape())).Append(aSD);
@@ -464,7 +454,35 @@ void BOPAlgo_Builder::BuildSplitSolids
   {
     BOPAlgo_SplitSolid& aBS = aVBS(k);
     aSolidsIm.Add(aBS.Solid(), aBS.Areas());
-    myReport->Merge(aBS.GetReport());
+
+    // Merge BuilderSolid's report into main report,
+    // assigning the solid with the warnings/errors which
+    // have been generated for it.
+    // Convert all errors of BuilderSolid into warnings for main report.
+    const Handle(Message_Report)& aBSReport = aBS.GetReport();
+    Message_Gravity anAlertTypes[2] = { Message_Warning, Message_Fail };
+    for (Standard_Integer iGravity = 0; iGravity < 2; iGravity++)
+    {
+      const Message_ListOfAlert& anLAlerts = aBSReport->GetAlerts(anAlertTypes[iGravity]);
+      for (Message_ListOfAlert::Iterator itA(anLAlerts); itA.More(); itA.Next())
+      {
+        Handle(Message_Alert) anAlert = itA.Value();
+
+        Handle(TopoDS_AlertWithShape) anAlertWithShape = Handle(TopoDS_AlertWithShape)::DownCast(itA.Value());
+        if (!anAlertWithShape.IsNull())
+        {
+          TopoDS_Shape aWarnShape;
+          BRep_Builder().MakeCompound(TopoDS::Compound(aWarnShape));
+          BRep_Builder().Add(aWarnShape, aBS.Solid());
+          BRep_Builder().Add(aWarnShape, anAlertWithShape->GetShape());
+
+          anAlertWithShape->SetShape(aWarnShape);
+          AddWarning(anAlertWithShape);
+        }
+        else
+          AddWarning(anAlert);
+      }
+    }
   }
   //
   // Add new solids to images map

src/BOPAlgo/BOPAlgo_MakeConnected.cxx

@@ -0,0 +1,333 @@
+// Created on: 2018-03-29
+// Created by: Eugeny MALTCHIKOV
+// Copyright (c) 2018 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BOPAlgo_MakeConnected.hxx>
+
+#include <BOPAlgo_Alerts.hxx>
+#include <BOPAlgo_Builder.hxx>
+#include <BOPAlgo_Tools.hxx>
+
+#include <BOPTools_AlgoTools.hxx>
+
+#include <BRep_Builder.hxx>
+
+#include <TopExp_Explorer.hxx>
+
+#include <TopoDS_Iterator.hxx>
+
+//=======================================================================
+//function : Perform
+//purpose  : Makes the shapes connected
+//=======================================================================
+void BOPAlgo_MakeConnected::Perform()
+{
+  // Check the input data
+  CheckData();
+  if (HasErrors())
+    return;
+
+  if (myHistory.IsNull())
+    myHistory = new BRepTools_History;
+
+  // Glue the arguments
+  MakeConnected();
+  if (HasErrors())
+    return;
+
+  // Perform material associations for the faces
+  AssociateMaterials();
+  if (HasErrors())
+    return;
+}
+
+//=======================================================================
+//function : CheckData
+//purpose  : Check the validity of input data
+//=======================================================================
+void BOPAlgo_MakeConnected::CheckData()
+{
+  // Check the number of arguments
+  if (myArguments.IsEmpty())
+  {
+    // Not enough arguments
+    AddError(new BOPAlgo_AlertTooFewArguments());
+    return;
+  }
+
+  // Check that all shapes in arguments are of the same type
+
+  // Extract the shapes from the compound arguments
+  TopTools_ListOfShape aLA;
+  // Fence map
+  TopTools_MapOfShape aMFence;
+
+  TopTools_ListIteratorOfListOfShape itLA(myArguments);
+  for (; itLA.More(); itLA.Next())
+    BOPAlgo_Tools::TreatCompound(itLA.Value(), aMFence, aLA);
+
+  if (aLA.IsEmpty())
+  {
+    // It seems that all argument shapes are empty compounds
+    AddError(new BOPAlgo_AlertTooFewArguments());
+    return;
+  }
+
+  // Check dimensions of the extracted non-compound shapes
+  itLA.Initialize(aLA);
+  Standard_Integer iDim = BOPTools_AlgoTools::Dimension(itLA.Value());
+  for (itLA.Next(); itLA.More(); itLA.Next())
+  {
+    if (iDim != BOPTools_AlgoTools::Dimension(itLA.Value()))
+    {
+      // The arguments are of different type
+      AddError(new BOPAlgo_AlertMultiDimensionalArguments());
+      return;
+    }
+  }
+}
+
+//=======================================================================
+//function : MakeConnected
+//purpose  : Glues the argument shapes
+//=======================================================================
+void BOPAlgo_MakeConnected::MakeConnected()
+{
+  // Initialize the history
+  if (myGlueHistory.IsNull())
+    myGlueHistory = new BRepTools_History;
+
+  if (myArguments.Extent() == 1)
+  {
+    // No need to glue the single shape
+    myShape = myArguments.First();
+  }
+  else
+  {
+    // Glue the shapes
+    BOPAlgo_Builder aGluer;
+    aGluer.SetArguments(myArguments);
+    aGluer.SetGlue(BOPAlgo_GlueShift);
+    aGluer.SetRunParallel(myRunParallel);
+    aGluer.SetNonDestructive(Standard_True);
+    aGluer.Perform();
+    if (aGluer.HasErrors())
+    {
+      // Unable to glue the shapes
+      TopoDS_Compound aCW;
+      BRep_Builder().MakeCompound(aCW);
+      for (TopTools_ListIteratorOfListOfShape it(myArguments); it.More(); it.Next())
+        BRep_Builder().Add(aCW, it.Value());
+      AddError(new BOPAlgo_AlertUnableToGlue(aCW));
+      return;
+    }
+    myShape = aGluer.Shape();
+    // Save the gluing history
+    myGlueHistory->Merge(aGluer.Arguments(), aGluer);
+    myHistory->Merge(myGlueHistory);
+  }
+
+  // Keep the glued shape
+  myGlued = myShape;
+
+  // Fill the map of origins
+  FillOrigins();
+}
+
+//=======================================================================
+//function : FillOrigins
+//purpose  : Fills the map of origins
+//=======================================================================
+void BOPAlgo_MakeConnected::FillOrigins()
+{
+  myOrigins.Clear();
+
+  // Map the history shapes of the arguments
+  if (myAllInputsMap.IsEmpty())
+  {
+    TopTools_ListIteratorOfListOfShape itLA(myArguments);
+    for (; itLA.More(); itLA.Next())
+      TopExp::MapShapes(itLA.Value(), myAllInputsMap);
+  }
+
+  const Standard_Integer aNbS = myAllInputsMap.Extent();
+  for (Standard_Integer i = 1; i <= aNbS; ++i)
+  {
+    const TopoDS_Shape& aS = myAllInputsMap(i);
+    if (!BRepTools_History::IsSupportedType(aS))
+      continue;
+
+    // Get Modified & Generated shapes
+    for (Standard_Integer j = 0; j < 2; ++j)
+    {
+      const TopTools_ListOfShape& aLH = !j ? myHistory->Modified(aS) : myHistory->Generated(aS);
+      TopTools_ListIteratorOfListOfShape itLH(aLH);
+      for (; itLH.More(); itLH.Next())
+      {
+        const TopoDS_Shape& aHS = itLH.Value();
+        TopTools_ListOfShape* pLOr = myOrigins.ChangeSeek(aHS);
+        if (!pLOr)
+          pLOr = myOrigins.Bound(aHS, TopTools_ListOfShape());
+        if (!pLOr->Contains(aS))
+          pLOr->Append(aS);
+      }
+    }
+  }
+}
+
+//=======================================================================
+//function : AssociateMaterials
+//purpose  : Associates the materials for the border elements
+//=======================================================================
+void BOPAlgo_MakeConnected::AssociateMaterials()
+{
+  myMaterials.Clear();
+
+  // Extract all non-compound shapes from the result
+  TopTools_ListOfShape aLShapes;
+  TopTools_MapOfShape aMFence;
+  BOPAlgo_Tools::TreatCompound(myShape, aMFence, aLShapes);
+
+  if (aLShapes.IsEmpty())
+    return;
+
+  // Define the element type and the material type
+  TopAbs_ShapeEnum anElemType;
+  const TopAbs_ShapeEnum aMaterialType = aLShapes.First().ShapeType();
+  if (aMaterialType == TopAbs_SOLID || aMaterialType == TopAbs_COMPSOLID)
+    anElemType = TopAbs_FACE;
+  else if (aMaterialType == TopAbs_FACE || aMaterialType == TopAbs_SHELL)
+    anElemType = TopAbs_EDGE;
+  else if (aMaterialType == TopAbs_EDGE || aMaterialType == TopAbs_WIRE)
+    anElemType = TopAbs_VERTEX;
+  else
+    return;
+
+  TopTools_ListIteratorOfListOfShape itLS(aLShapes);
+  for (; itLS.More(); itLS.Next())
+  {
+    const TopoDS_Shape& aS = itLS.Value();
+    const TopTools_ListOfShape& aLOr = GetOrigins(aS);
+    const TopoDS_Shape& aSOr = aLOr.IsEmpty() ? aS : aLOr.First();
+
+    TopExp_Explorer anExp(aS, anElemType);
+    for (; anExp.More(); anExp.Next())
+    {
+      const TopoDS_Shape& anElement = anExp.Current();
+      TopTools_ListOfShape* pLM = myMaterials.ChangeSeek(anElement);
+      if (!pLM)
+        pLM = myMaterials.Bound(anElement, TopTools_ListOfShape());
+      pLM->Append(aSOr);
+    }
+  }
+}
+
+//=======================================================================
+//function : Update
+//purpose  : Updates the history, material associations and origins map
+//           after periodicity operations
+//=======================================================================
+void BOPAlgo_MakeConnected::Update()
+{
+  // Update history
+  myHistory->Clear();
+  if (!myGlueHistory.IsNull())
+    myHistory->Merge(myGlueHistory);
+  if (!myPeriodicityMaker.History().IsNull())
+    myHistory->Merge(myPeriodicityMaker.History());
+
+  // Fill the map of origins
+  FillOrigins();
+
+  // Update the material associations after making the shape periodic
+  AssociateMaterials();
+}
+
+//=======================================================================
+//function : MakePeriodic
+//purpose  : Makes the shape periodic according to the given parameters
+//=======================================================================
+void BOPAlgo_MakeConnected::MakePeriodic(const BOPAlgo_MakePeriodic::PeriodicityParams& theParams)
+{
+  if (HasErrors())
+    return;
+
+  // Make the shape periodic
+  myPeriodicityMaker.Clear();
+  myPeriodicityMaker.SetShape(myGlued);
+  myPeriodicityMaker.SetPeriodicityParameters(theParams);
+  myPeriodicityMaker.SetRunParallel(myRunParallel);
+  myPeriodicityMaker.Perform();
+  if (myPeriodicityMaker.HasErrors())
+  {
+    // Add warning informing the user that periodicity with
+    // given parameters is not possible
+    AddWarning(new BOPAlgo_AlertUnableToMakePeriodic(myShape));
+    return;
+  }
+
+  myShape = myPeriodicityMaker.Shape();
+
+  // Update history, materials, origins
+  Update();
+}
+
+//=======================================================================
+//function : RepeatShape
+//purpose  : Repeats the shape in the given direction given number of times
+//=======================================================================
+void BOPAlgo_MakeConnected::RepeatShape(const Standard_Integer theDirectionID,
+                                        const Standard_Integer theTimes)
+{
+  if (HasErrors())
+    return;
+
+  if (myPeriodicityMaker.Shape().IsNull() || myPeriodicityMaker.HasErrors())
+  {
+    // The shape has not been made periodic yet
+    AddWarning(new BOPAlgo_AlertShapeIsNotPeriodic(myShape));
+    return;
+  }
+
+  // Repeat the shape
+  myShape = myPeriodicityMaker.RepeatShape(theDirectionID, theTimes);
+
+  // Update history, materials, origins
+  Update();
+}
+
+//=======================================================================
+//function : ClearRepetitions
+//purpose  : Clears the repetitions performed on the periodic shape
+//           keeping the shape periodic
+//=======================================================================
+void BOPAlgo_MakeConnected::ClearRepetitions()
+{
+  if (HasErrors())
+    return;
+
+  if (myPeriodicityMaker.Shape().IsNull() || myPeriodicityMaker.HasErrors())
+  {
+    // The shape has not been made periodic yet
+    AddWarning(new BOPAlgo_AlertShapeIsNotPeriodic(myShape));
+    return;
+  }
+
+  // Clear repetitions
+  myPeriodicityMaker.ClearRepetitions();
+  myShape = myPeriodicityMaker.Shape();
+
+  // Update history, materials, origins
+  Update();
+}

src/BOPAlgo/BOPAlgo_MakeConnected.hxx

@@ -0,0 +1,338 @@
+// Created on: 2018-03-29
+// Created by: Eugeny MALTCHIKOV
+// Copyright (c) 2018 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BOPAlgo_MakeConnected_HeaderFile
+#define _BOPAlgo_MakeConnected_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <BOPAlgo_Options.hxx>
+#include <BOPAlgo_MakePeriodic.hxx>
+
+#include <BRepTools_History.hxx>
+
+#include <NCollection_DataMap.hxx>
+
+#include <TopTools_OrientedShapeMapHasher.hxx>
+
+//! BOPAlgo_MakeConnected is the algorithm for making the touching
+//! shapes connected or glued, i.e. for making the coinciding geometries
+//! be topologically shared among the shapes.
+//!
+//! The input shapes should be of the same dimension, otherwise
+//! the gluing will not make any sense.
+//!
+//! After the shapes are made connected, the border elements of input shapes
+//! are associated with the shapes to which they belong. At that, the orientation of
+//! the border element in the shape is taken into account.
+//! The associations are made for the following types:
+//! - For input SOLIDS, the resulting FACES are associated with the input solids;
+//! - For input FACES, the resulting EDGES are associated with the input faces;
+//! - For input EDGES, the resulting VERTICES are associated with the input edges.
+//!
+//! In frames of this algorithm the input shapes are called materials,
+//! and the association process is called the material association.
+//! The material association allows finding the coinciding elements for the opposite
+//! input shapes. These elements will be associated to at least two materials.
+//!
+//! After making the shapes connected, it is possible to make the connected
+//! shape periodic using the *BOPAlgo_MakePeriodic* tool.
+//! After making the shape periodic, the material associations will be updated
+//! to correspond to the actual state of the result shape.
+//! Repetition of the periodic shape is also possible here. Material associations
+//! are not going to be lost.
+//!
+//! The algorithm supports history of shapes modification, thus it is possible
+//! to track the modification of the input shapes during the operations.
+//! Additionally to standard history methods, the algorithm provides the
+//! the method *GetOrigins()* which allows obtaining the input shapes from which
+//! the resulting shape has been created.
+//!
+//! The algorithm supports the parallel processing mode, which allows faster
+//! completion of the operations.
+//!
+//! The algorithm returns the following Error/Warning messages:
+//! - *BOPAlgo_AlertTooFewArguments* - error alert is given on the attempt to run
+//!     the algorithm without the arguments;
+//! - *BOPAlgo_AlertMultiDimensionalArguments* - error alert is given on the attempt
+//!     to run the algorithm on multi-dimensional arguments;
+//! - *BOPAlgo_AlertUnableToGlue* - error alert is given if the gluer algorithm
+//!     is unable to glue the given arguments;
+//! - *BOPAlgo_AlertUnableToMakePeriodic* - warning alert is given if the periodicity
+//!     maker is unable to make the connected shape periodic with given options;
+//! - *BOPAlgo_AlertShapeIsNotPeriodic* - warning alert is given on the attempt to
+//!     repeat the shape before making it periodic.
+//!
+//! Here is the example of usage of the algorithm:
+//! ~~~~
+//! TopTools_ListOfShape anArguments = ...;  // Shapes to make connected
+//! Standard_Boolean bRunParallel = ...;     // Parallel processing mode
+//!
+//! BOPAlgo_MakeConnected aMC;               // Tool for making the shapes connected
+//! aMC.SetArguments(anArguments);           // Set the shapes
+//! aMC.SetRunParallel(bRunParallel);        // Set parallel processing mode
+//! aMC.Perform();                           // Perform the operation
+//!
+//! if (aMC.HasErrors())                     // Check for the errors
+//! {
+//!   // errors treatment
+//!   Standard_SStream aSStream;
+//!   aMC.DumpErrors(aSStream);
+//!   return;
+//! }
+//! if (aMC.HasWarnings())                   // Check for the warnings
+//! {
+//!   // warnings treatment
+//!   Standard_SStream aSStream;
+//!   aMC.DumpWarnings(aSStream);
+//! }
+//!
+//! const TopoDS_Shape& aGluedShape = aMC.Shape(); // Connected shape
+//!
+//! // Checking material associations
+//! TopAbs_ShapeEnum anElemType = ...;       // Type of border element
+//! TopExp_Explorer anExp(anArguments.First(), anElemType);
+//! for (; anExp.More(); anExp.Next())
+//! {
+//!   const TopoDS_Shape& anElement = anExp.Current();
+//!   const TopTools_ListOfShape& aNegativeM = aMC.MaterialsOnNegativeSide(anElement);
+//!   const TopTools_ListOfShape& aPositiveM = aMC.MaterialsOnPositiveSide(anElement);
+//! }
+//!
+//! // Making the connected shape periodic
+//! BOPAlgo_MakePeriodic::PeriodicityParams aParams = ...; // Options for periodicity of the connected shape
+//! aMC.MakePeriodic(aParams);
+//!
+//! // Shape repetition after making it periodic
+//! // Check if the shape has been made periodic successfully
+//! if (aMC.PeriodicityTool().HasErrors())
+//! {
+//!   // Periodicity maker error treatment
+//! }
+//!
+//! // Shape repetition in periodic directions
+//! aMC.RepeatShape(0, 2);
+//!
+//! const TopoDS_Shape& aShape = aMC.PeriodicShape(); // Periodic and repeated shape
+//! ~~~~
+//!
+class BOPAlgo_MakeConnected : public BOPAlgo_Options
+{
+public:
+
+  DEFINE_STANDARD_ALLOC
+
+public: //! @name Constructor
+
+  //! Empty constructor
+  BOPAlgo_MakeConnected() : BOPAlgo_Options()
+  {
+  }
+
+
+public: //! @name Setters for the shapes to make connected
+
+  //! Sets the shape for making them connected.
+  //! @param theArgs [in] The arguments for the operation.
+  void SetArguments(const TopTools_ListOfShape& theArgs)
+  {
+    myArguments = theArgs;
+  }
+
+  //! Adds the shape to the arguments.
+  //! @param theS [in] One of the argument shapes.
+  void AddArgument(const TopoDS_Shape& theS)
+  {
+    myArguments.Append(theS);
+  }
+
+  //! Returns the list of arguments of the operation.
+  const TopTools_ListOfShape& Arguments() const
+  {
+    return myArguments;
+  }
+
+public: //! @name Performing the operations
+
+  //! Performs the operation, i.e. makes the input shapes connected.
+  Standard_EXPORT void Perform();
+
+
+public: //! @name Shape periodicity & repetition
+
+  //! Makes the connected shape periodic.
+  //! Repeated calls of this method overwrite the previous calls
+  //! working with the basis connected shape.
+  //! @param theParams [in] Periodic options.
+  Standard_EXPORT void MakePeriodic(const BOPAlgo_MakePeriodic::PeriodicityParams& theParams);
+
+  //! Performs repetition of the periodic shape in specified direction
+  //! required number of times.
+  //! @param theDirectionID [in] The direction's ID (0 for X, 1 for Y, 2 for Z);
+  //! @param theTimes [in] Requested number of repetitions (sign of the value defines
+  //!                      the side of the repetition direction (positive or negative)).
+  Standard_EXPORT void RepeatShape(const Standard_Integer theDirectionID,
+                                   const Standard_Integer theTimes);
+
+  //! Clears the repetitions performed on the periodic shape,
+  //! keeping the shape periodic.
+  Standard_EXPORT void ClearRepetitions();
+
+  //! Returns the periodicity tool.
+  const BOPAlgo_MakePeriodic& PeriodicityTool() const
+  {
+    return myPeriodicityMaker;
+  }
+
+
+public: //! @name Material transitions
+
+  //! Returns the original shapes which images contain the
+  //! the given shape with FORWARD orientation.
+  //! @param theS [in] The shape for which the materials are necessary.
+  const TopTools_ListOfShape& MaterialsOnPositiveSide(const TopoDS_Shape& theS)
+  {
+    const TopTools_ListOfShape* pLM = myMaterials.Seek(theS.Oriented(TopAbs_FORWARD));
+    return (pLM ? *pLM : EmptyList());
+  }
+
+  //! Returns the original shapes which images contain the
+  //! the given shape with REVERSED orientation.
+  //! @param theS [in] The shape for which the materials are necessary.
+  const TopTools_ListOfShape& MaterialsOnNegativeSide(const TopoDS_Shape& theS)
+  {
+    const TopTools_ListOfShape* pLM = myMaterials.Seek(theS.Oriented(TopAbs_REVERSED));
+    return (pLM ? *pLM : EmptyList());
+  }
+
+
+public: //! @name History methods
+
+  //! Returns the history of operations
+  const Handle(BRepTools_History)& History() const
+  {
+    return myHistory;
+  }
+
+  //! Returns the list of shapes modified from the given shape.
+  //! @param theS [in] The shape for which the modified shapes are necessary.
+  const TopTools_ListOfShape& GetModified(const TopoDS_Shape& theS)
+  {
+    return (myHistory.IsNull() ? EmptyList() : myHistory->Modified(theS));
+  }
+
+  //! Returns the list of original shapes from which the current shape has been created.
+  //! @param theS [in] The shape for which the origins are necessary.
+  const TopTools_ListOfShape& GetOrigins(const TopoDS_Shape& theS)
+  {
+    const TopTools_ListOfShape* pLOr = myOrigins.Seek(theS);
+    return (pLOr ? *pLOr : EmptyList());
+  }
+
+
+public: //! @name Getting the result shapes
+
+  //! Returns the resulting connected shape
+  const TopoDS_Shape& Shape() const
+  {
+    return myGlued;
+  }
+
+  //! Returns the resulting periodic & repeated shape
+  const TopoDS_Shape& PeriodicShape() const
+  {
+    return myShape;
+  }
+
+
+public: //! @name Clearing the contents of the algorithm from previous runs
+
+  //! Clears the contents of the algorithm.
+  void Clear()
+  {
+    BOPAlgo_Options::Clear();
+    myArguments.Clear();
+    myAllInputsMap.Clear();
+    myPeriodicityMaker.Clear();
+    myOrigins.Clear();
+    myMaterials.Clear();
+    if (!myGlueHistory.IsNull())
+      myGlueHistory->Clear();
+    if (!myHistory.IsNull())
+      myHistory->Clear();
+    myGlued.Nullify();
+    myShape.Nullify();
+  }
+
+
+protected: //! @name Protected methods performing the operation
+
+  //! Checks the validity of input data.
+  Standard_EXPORT void CheckData();
+
+  //! Makes the argument shapes connected (or glued).
+  Standard_EXPORT void MakeConnected();
+
+  //! Associates the materials transitions for the border elements:
+  //! - For input Solids, associates the Faces to Solids;
+  //! - For input Faces, associates the Edges to Faces;
+  //! - For input Edges, associates the Vertices to Edges.
+  Standard_EXPORT void AssociateMaterials();
+
+  //! Fills the map of origins
+  Standard_EXPORT void FillOrigins();
+
+  //! Updates the history, material associations, origins map
+  //! after periodicity operations.
+  Standard_EXPORT void Update();
+
+private:
+
+  //! Returns an empty list.
+  const TopTools_ListOfShape& EmptyList()
+  {
+    static const TopTools_ListOfShape anEmptyList;
+    return anEmptyList;
+  }
+
+protected: //! @name Fields
+
+  // Inputs
+  TopTools_ListOfShape myArguments;          //!< Input shapes for making them connected
+  TopTools_IndexedMapOfShape myAllInputsMap; //!< Map of all BRep sub-elements of the input shapes
+
+  // Tools
+  BOPAlgo_MakePeriodic myPeriodicityMaker;   //!< Tool for making the shape periodic
+
+  // Results
+  NCollection_DataMap
+    <TopoDS_Shape,
+     TopTools_ListOfShape,
+     TopTools_OrientedShapeMapHasher> myMaterials; //!< Map of the materials associations
+                                                   //! for the border elements
+  TopTools_DataMapOfShapeListOfShape myOrigins;    //!< Map of origins
+                                                   //! (allows tracking the shape's ancestors)
+
+  Handle(BRepTools_History) myGlueHistory;         //!< Gluing History
+  Handle(BRepTools_History) myHistory;             //!< Final History of shapes modifications
+                                                   //! (including making the shape periodic and repetitions)
+
+  TopoDS_Shape myGlued;                            //!< The resulting connected (glued) shape
+  TopoDS_Shape myShape;                            //!< The resulting shape
+};
+
+#endif // _BOPAlgo_MakeConnected_HeaderFile

src/BOPAlgo/BOPAlgo_MakePeriodic.cxx

@@ -0,0 +1,617 @@
+// Created on: 2018-03-16
+// Created by: Eugeny MALTCHIKOV
+// Copyright (c) 2018 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BOPAlgo_MakePeriodic.hxx>
+
+#include <BOPAlgo_Alerts.hxx>
+
+#include <Bnd_Box.hxx>
+
+#include <BOPAlgo_Builder.hxx>
+#include <BOPAlgo_PaveFiller.hxx>
+
+#include <BRepAlgoAPI_Common.hxx>
+#include <BRepAlgoAPI_Splitter.hxx>
+
+#include <BRepBndLib.hxx>
+
+#include <BRepBuilderAPI_Transform.hxx>
+
+#include <BRepPrimAPI_MakeBox.hxx>
+
+#include <gp_Pln.hxx>
+
+#include <Precision.hxx>
+
+#include <TopoDS.hxx>
+#include <TopoDS_Compound.hxx>
+
+#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
+
+// Periodic/Trim/Repeat directions
+static const gp_Dir MY_DIRECTIONS[3] = { gp::DX(),
+                                         gp::DY(),
+                                         gp::DZ() };
+
+//=======================================================================
+//function : Perform
+//purpose  : Performs the operation
+//=======================================================================
+void BOPAlgo_MakePeriodic::Perform()
+{
+  // Check the validity of input data
+  CheckData();
+  if (HasErrors())
+    return;
+
+  // Trim the shape to fit to the required period in
+  // required periodic directions
+  Trim();
+  if (HasErrors())
+    return;
+
+  // Make the shape identical on the opposite sides in
+  // required periodic directions
+  MakeIdentical();
+  if (HasErrors())
+    return;
+}
+
+//=======================================================================
+//function : CheckData
+//purpose  : Checks the validity of input data
+//=======================================================================
+void BOPAlgo_MakePeriodic::CheckData()
+{
+  if ( (!IsXPeriodic() || XPeriod() < Precision::Confusion())
+    && (!IsYPeriodic() || YPeriod() < Precision::Confusion())
+    && (!IsZPeriodic() || ZPeriod() < Precision::Confusion()))
+  {
+    // Add error informing the user that no periodicity is required
+    // or no valid period is set.
+
+    AddError(new BOPAlgo_AlertNoPeriodicityRequired());
+    return;
+  }
+}
+
+//=======================================================================
+//function : AddToShape
+//purpose  : Adds the shape <theWhat> to the shape <theWhere>
+//=======================================================================
+static void AddToShape(const TopoDS_Shape& theWhat,
+                       TopoDS_Shape& theWhere)
+{
+  if (theWhere.IsNull())
+    BRep_Builder().MakeCompound(TopoDS::Compound(theWhere));
+  BRep_Builder().Add(theWhere, theWhat);
+}
+//=======================================================================
+//function : AddToShape
+//purpose  : Adds the shape in the list <theLWhat> to the shape <theWhere>
+//=======================================================================
+static void AddToShape(const TopTools_ListOfShape& theLWhat,
+                       TopoDS_Shape& theWhere)
+{
+  TopTools_ListIteratorOfListOfShape it(theLWhat);
+  for (; it.More(); it.Next())
+    AddToShape(it.Value(), theWhere);
+}
+
+//=======================================================================
+//function : Trim
+//purpose  : Make the trim of the shape to fit to the periodic bounds.
+//=======================================================================
+void BOPAlgo_MakePeriodic::Trim()
+{
+  // Check if trim is required at all
+  if (IsInputXTrimmed() &&
+      IsInputYTrimmed() &&
+      IsInputZTrimmed())
+      return;
+
+  // Compute bounding box for the shape to use it as a starting
+  // volume for trimming. If required, the volume will be modified
+  // to the requested trimming size in requested directions.
+  Bnd_Box aBox;
+  BRepBndLib::Add(myInputShape, aBox);
+  // Enlarge box to avoid overlapping with the shape
+  aBox.Enlarge(0.1 * sqrt(aBox.SquareExtent()));
+
+  // Get Corner points of the bounding box
+  gp_Pnt aPMin = aBox.CornerMin();
+  gp_Pnt aPMax = aBox.CornerMax();
+
+  // Update corner points according to the requested trim parameters
+  for (Standard_Integer i = 0; i < 3; ++i)
+  {
+    if (IsInputTrimmed(i))
+      continue;
+
+    aPMin.SetCoord(i + 1, PeriodFirst(i));
+    aPMax.SetCoord(i + 1, PeriodFirst(i) + Period(i));
+  }
+
+  // Build Trimming solid using corner points
+  BRepPrimAPI_MakeBox aMBox(aPMin, aPMax);
+  const TopoDS_Shape& aTrimBox = aMBox.Solid();
+
+  // Perform trimming of the shape by solid
+  BRepAlgoAPI_Common aCommon;
+  // Set Object
+  TopTools_ListOfShape anObj;
+  anObj.Append(myInputShape);
+  aCommon.SetArguments(anObj);
+  // Set Tool
+  TopTools_ListOfShape aTool;
+  aTool.Append(aTrimBox);
+  aCommon.SetTools(aTool);
+  // Set the parallel processing mode
+  aCommon.SetRunParallel(myRunParallel);
+  // Build
+  aCommon.Build();
+  if (aCommon.HasErrors())
+  {
+    // Unable to trim the shape
+    // Merge errors from Common operation
+    myReport->Merge(aCommon.GetReport());
+    // Add new error saving the shapes for analysis
+    TopoDS_Compound aWS;
+    AddToShape(myInputShape, aWS);
+    AddToShape(aTrimBox, aWS);
+    AddError(new BOPAlgo_AlertUnableToTrim(aWS));
+    return;
+  }
+  // Get the trimmed shape
+  myShape = aCommon.Shape();
+  // Fill the History for the object only
+  mySplitHistory = new BRepTools_History();
+  mySplitHistory->Merge(anObj, aCommon);
+}
+
+//=======================================================================
+//function : MakeIdentical
+//purpose  : Make the shape look the same on the opposite sides in the
+//           required periodic directions.
+//=======================================================================
+void BOPAlgo_MakePeriodic::MakeIdentical()
+{
+  if (myShape.IsNull())
+    myShape = myInputShape;
+
+  if (mySplitHistory.IsNull())
+    mySplitHistory = new BRepTools_History;
+
+  // Split the negative side of the shape with the geometry
+  // located on the positive side
+  SplitNegative();
+  if (HasErrors())
+    return;
+
+  // Split the positive side of the shape with the geometry
+  // located on the negative side.
+  // Make sure that the opposite sides have identical geometries.
+  // Make associations between identical opposite shapes.
+  SplitPositive();
+
+  myHistory = new BRepTools_History();
+  myHistory->Merge(mySplitHistory);
+}
+
+//=======================================================================
+//function : SplitNegative
+//purpose  : Split the negative side of the shape with the geometry
+//           located on the positive side.
+//=======================================================================
+void BOPAlgo_MakePeriodic::SplitNegative()
+{
+  // Copy geometry from positive side of the shape to the negative first.
+  // So, translate the shape in negative periodic directions only.
+  //
+  // To avoid conflicts when copying geometries from positive periodic sides
+  // perform split of each periodic side in a separate operation.
+  for (Standard_Integer i = 0; i < 3; ++i)
+  {
+    if (!IsPeriodic(i))
+      continue;
+
+    // Translate the shape to the negative side
+    gp_Trsf aNegTrsf;
+    aNegTrsf.SetTranslationPart(Period(i) * MY_DIRECTIONS[i].Reversed());
+    BRepBuilderAPI_Transform aNegT(myShape, aNegTrsf, Standard_False);
+
+    // Split the negative side of the shape.
+    TopTools_ListOfShape aTools;
+    aTools.Append(aNegT.Shape());
+    SplitShape(aTools, mySplitHistory);
+  }
+}
+
+//=======================================================================
+//function : AddTwin
+//purpose  : Associates the shape <theS> with the shape <theTwin> in the map.
+//=======================================================================
+static void AddTwin(const TopoDS_Shape& theS,
+                    const TopoDS_Shape& theTwin,
+                    TopTools_DataMapOfShapeListOfShape& theMap)
+{
+  TopTools_ListOfShape *aTwins = theMap.ChangeSeek(theS);
+  if (!aTwins)
+  {
+    theMap.Bound(theS, TopTools_ListOfShape())->Append(theTwin);
+    return;
+  }
+
+  // Check if the twin shape is not yet present in the list
+  TopTools_ListIteratorOfListOfShape itLT(*aTwins);
+  for (; itLT.More(); itLT.Next())
+  {
+    if (theTwin.IsSame(itLT.Value()))
+      break;
+  }
+
+  if (!itLT.More())
+    aTwins->Append(theTwin);
+}
+
+//=======================================================================
+//function : SplitPositive
+//purpose  : Split the positive side of the shape with the geometry of the
+//           negative side. Associate the identical opposite sub-shapes.
+//=======================================================================
+void BOPAlgo_MakePeriodic::SplitPositive()
+{
+  // Prepare map of the sub-shapes of the input shape to make
+  // associations of the opposite shapes
+  TopTools_IndexedMapOfShape aSubShapesMap;
+  TopExp::MapShapes(myShape, aSubShapesMap);
+  const Standard_Integer aNbS = aSubShapesMap.Extent();
+
+  // Translate the shape to the positive periodic directions to make the
+  // shapes look identical on the opposite sides.
+  TopTools_ListOfShape aTools;
+
+  // Remember the history of shapes translation
+  TopTools_IndexedDataMapOfShapeListOfShape aTranslationHistMap;
+
+  // Make translations for all periodic directions
+  for (Standard_Integer i = 0; i < 3; ++i)
+  {
+    if (!IsPeriodic(i))
+      continue;
+
+    // Translate the shape to the positive side
+    gp_Trsf aPosTrsf;
+    aPosTrsf.SetTranslationPart(Period(i) * MY_DIRECTIONS[i]);
+    BRepBuilderAPI_Transform aTranslator(myShape, aPosTrsf, Standard_False);
+    aTools.Append(aTranslator.Shape());
+
+    // Fill the translation history map
+    for (Standard_Integer j = 1; j <= aNbS; ++j)
+    {
+      const TopoDS_Shape& aS = aSubShapesMap(j);
+      if (BRepTools_History::IsSupportedType(aS))
+      {
+        const TopTools_ListOfShape& aSM = aTranslator.Modified(aS);
+        TopTools_ListOfShape* pTS = aTranslationHistMap.ChangeSeek(aS);
+        if (!pTS)
+          pTS = &aTranslationHistMap(aTranslationHistMap.Add(aS, TopTools_ListOfShape()));
+        pTS->Append(aSM.First());
+      }
+    }
+  }
+
+  // Keep the split shape history and history of tools modifications
+  // during the split for making association of the opposite identical shapes
+  Handle(BRepTools_History) aSplitShapeHist = new BRepTools_History,
+                            aSplitToolsHist = new BRepTools_History;
+  // Split the positive side of the shape
+  SplitShape(aTools, aSplitShapeHist, aSplitToolsHist);
+  if (HasErrors())
+    return;
+
+  mySplitHistory->Merge(aSplitShapeHist);
+
+  // Make associations between identical opposite sub-shapes
+  const Standard_Integer aNbSH = aTranslationHistMap.Extent();
+  for (Standard_Integer i = 1; i <= aNbSH; ++i)
+  {
+    const TopoDS_Shape* pS = &aTranslationHistMap.FindKey(i);
+    const TopTools_ListOfShape& aSIm = aSplitShapeHist->Modified(*pS);
+    if (aSIm.Extent() == 1)
+      pS = &aSIm.First();
+    else if (aSIm.Extent() > 1)
+      continue;
+
+    const TopTools_ListOfShape& aLTranslated = aTranslationHistMap(i);
+
+    TopTools_ListIteratorOfListOfShape itLT(aLTranslated);
+    for (; itLT.More(); itLT.Next())
+    {
+      const TopoDS_Shape& aT = itLT.Value();
+      // Get shapes modifications during the split
+      const TopTools_ListOfShape& aTSplits = aSplitToolsHist->Modified(aT);
+
+      // Associate the shapes to each other
+      TopTools_ListIteratorOfListOfShape itSp(aTSplits);
+      for (; itSp.More(); itSp.Next())
+      {
+        const TopoDS_Shape& aSp = itSp.Value();
+        AddTwin(*pS, aSp, myTwins);
+        AddTwin(aSp, *pS, myTwins);
+      }
+    }
+  }
+}
+
+//=======================================================================
+//function : SplitShape
+//purpose  : Splits the shape by the given tools
+//=======================================================================
+void BOPAlgo_MakePeriodic::SplitShape(const TopTools_ListOfShape& theTools,
+                                      Handle(BRepTools_History) theSplitShapeHistory,
+                                      Handle(BRepTools_History) theSplitToolsHistory)
+{
+  // Make sure that the geometry from the tools will be copied to the split
+  // shape. For that, the tool shapes should be given to the Boolean Operations
+  // algorithm before the shape itself. This will make all coinciding parts
+  // use the geometry of the first argument.
+
+  // Intersection tool for passing ordered arguments
+  BOPAlgo_PaveFiller anIntersector;
+  anIntersector.SetArguments(theTools);
+  // Add the shape
+  anIntersector.AddArgument(myShape);
+  // Use gluing to speed-up intersections
+  anIntersector.SetGlue(BOPAlgo_GlueShift);
+  // Use safe input mode, to avoid reusing geometry of the shape
+  anIntersector.SetNonDestructive(Standard_True);
+  // Set parallel processing mode
+  anIntersector.SetRunParallel(myRunParallel);
+  // Perform Intersection of the arguments
+  anIntersector.Perform();
+  // Check for the errors
+  if (anIntersector.HasErrors())
+  {
+    // Unable to split the shape on opposite sides
+    // Copy the intersection errors
+    myReport->Merge(anIntersector.GetReport());
+    // Add new error saving the shapes for analysis
+    TopoDS_Compound aWS;
+    AddToShape(theTools, aWS);
+    AddToShape(myShape, aWS);
+    AddError(new BOPAlgo_AlertUnableToMakeIdentical(aWS));
+    return;
+  }
+
+  // Perform the splitting of the shape with the precomputed intersection results
+  BRepAlgoAPI_Splitter aSplitter(anIntersector);
+  // Set Object
+  TopTools_ListOfShape anObj;
+  anObj.Append(myShape);
+  aSplitter.SetArguments(anObj);
+  // Set Tools
+  aSplitter.SetTools(theTools);
+  // Use Gluing
+  aSplitter.SetGlue(BOPAlgo_GlueShift);
+  // Set parallel processing mode
+  aSplitter.SetRunParallel(myRunParallel);
+  // Perform splitting
+  aSplitter.Build();
+  // Check for the errors
+  if (aSplitter.HasErrors())
+  {
+    // Unable to split the shape on opposite sides
+    // Copy the splitter errors
+    myReport->Merge(aSplitter.GetReport());
+    // Add new error saving the shape for analysis
+    TopoDS_Compound aWS;
+    AddToShape(theTools, aWS);
+    AddToShape(myShape, aWS);
+    AddError(new BOPAlgo_AlertUnableToMakeIdentical(aWS));
+    return;
+  }
+  // Get the split shape
+  myShape = aSplitter.Shape();
+  // Remember the split history
+  if (!theSplitShapeHistory.IsNull())
+    theSplitShapeHistory->Merge(anObj, aSplitter);
+  if (!theSplitToolsHistory.IsNull())
+    theSplitToolsHistory->Merge(theTools, aSplitter);
+}
+
+//=======================================================================
+//function : RepeatShape
+//purpose  : Repeats the shape in the required periodic direction
+//=======================================================================
+const TopoDS_Shape& BOPAlgo_MakePeriodic::RepeatShape(const Standard_Integer theDir,
+                                                      const Standard_Integer theTimes)
+{
+  if (myRepeatedShape.IsNull())
+    myRepeatedShape = myShape;
+
+  if (!IsPeriodic(theDir))
+    return myRepeatedShape;
+
+  if (theTimes == 0)
+    return myRepeatedShape;
+
+  // Get the shape's period in the required direction
+  const Standard_Integer id = BOPAlgo_MakePeriodic::ToDirectionID(theDir);
+  if (myRepeatPeriod[id] < Precision::Confusion())
+    myRepeatPeriod[id] = Period(id);
+  const Standard_Real aPeriod = myRepeatPeriod[id];
+
+  // Coefficient to define in which direction the repetition will be performed:
+  // theTimes is positive - in positive direction;
+  // theTimes is negative - in negative direction.
+  const Standard_Integer iDir = theTimes > 0 ? 1 : -1;
+
+  // Create the translation history - all translated shapes will be
+  // created as Generated from the shape.
+  BRepTools_History aTranslationHistory;
+  TopTools_IndexedMapOfShape aSubShapesMap;
+  TopExp::MapShapes(myRepeatedShape, aSubShapesMap);
+  const Standard_Integer aNbS = aSubShapesMap.Extent();
+
+  // Add shapes for gluing
+  TopTools_ListOfShape aShapes;
+  // Add the shape itself
+  aShapes.Append(myRepeatedShape);
+  for (Standard_Integer i = 1; i <= aNbS; ++i)
+  {
+    const TopoDS_Shape& aS = aSubShapesMap(i);
+    if (BRepTools_History::IsSupportedType(aS))
+      aTranslationHistory.AddGenerated(aS, aS);
+  }
+
+  // Create translated copies of the shape
+  for (Standard_Integer i = 1; i <= Abs(theTimes); ++i)
+  {
+    gp_Trsf aTrsf;
+    aTrsf.SetTranslationPart(iDir * i * aPeriod * MY_DIRECTIONS[id]);
+    BRepBuilderAPI_Transform aTranslator(myRepeatedShape, aTrsf, Standard_False);
+    aShapes.Append(aTranslator.Shape());
+
+    // Fill the translation history
+    for (Standard_Integer j = 1; j <= aNbS; ++j)
+    {
+      const TopoDS_Shape& aS = aSubShapesMap(j);
+      if (BRepTools_History::IsSupportedType(aS))
+      {
+        const TopTools_ListOfShape& aLT = aTranslator.Modified(aS);
+        aTranslationHistory.AddGenerated(aS, aLT.First());
+      }
+    }
+  }
+
+  // Update the history with the translation History
+  myHistory->Merge(aTranslationHistory);
+
+  // Glue the translated shapes all together
+  BOPAlgo_Builder aGluer;
+  aGluer.SetArguments(aShapes);
+  // Avoid intersections of the sub-shapes
+  aGluer.SetGlue(BOPAlgo_GlueFull);
+  // Set parallel processing mode
+  aGluer.SetRunParallel(myRunParallel);
+  // Perform gluing
+  aGluer.Perform();
+  if (aGluer.HasErrors())
+  {
+    // Repetition in this direction is not possible
+    // Add warning saving the shapes for analysis
+    TopoDS_Compound aWS;
+    AddToShape(aShapes, aWS);
+    AddWarning(new BOPAlgo_AlertUnableToRepeat(aWS));
+    return myRepeatedShape;
+  }
+  // Get glued shape
+  myRepeatedShape = aGluer.Shape();
+
+  // Update repetition period for the next repetitions
+  myRepeatPeriod[id] += Abs(theTimes) * myRepeatPeriod[id];
+
+  // Update history with the Gluing history
+  BRepTools_History aGluingHistory(aShapes, aGluer);
+  myHistory->Merge(aGluingHistory);
+
+  // Update the map of twins after repetition
+  UpdateTwins(aTranslationHistory, aGluingHistory);
+
+  return myRepeatedShape;
+}
+
+//=======================================================================
+//function : UpdateTwins
+//purpose  : Updates the map of twins after repetition
+//=======================================================================
+void BOPAlgo_MakePeriodic::UpdateTwins(const BRepTools_History& theTranslationHistory,
+                                       const BRepTools_History& theGluingHistory)
+{
+  if (myTwins.IsEmpty())
+    return;
+
+  if (myRepeatedTwins.IsEmpty())
+    myRepeatedTwins = myTwins;
+
+  // New twins
+  TopTools_DataMapOfShapeListOfShape aNewTwinsMap;
+
+  // Fence map to avoid repeated fill for the twins
+  TopTools_MapOfShape aMTwinsDone;
+
+  // Update the map of twins with the new repeated shapes
+  TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itDMap(myRepeatedTwins);
+  for (; itDMap.More(); itDMap.Next())
+  {
+    const TopoDS_Shape& aS = itDMap.Key();
+    aMTwinsDone.Add(aS);
+
+    const TopTools_ListOfShape& aLTwins = itDMap.Value();
+
+    // Check if the twins have not been already processed
+    TopTools_ListIteratorOfListOfShape itLT(aLTwins);
+    for (; itLT.More(); itLT.Next())
+    {
+      if (aMTwinsDone.Contains(itLT.Value()))
+        break;
+    }
+    if (itLT.More())
+      // Group of twins has already been processed
+      continue;
+
+    // All shapes generated from the shape itself and generated
+    // from its twins will be the new twins for the shape
+    TopTools_IndexedMapOfShape aNewGroup;
+    itLT.Initialize(aLTwins);
+
+    for (Standard_Boolean bShape = Standard_True; itLT.More();)
+    {
+      const TopoDS_Shape& aTwin = bShape ? aS : itLT.Value();
+      const TopTools_ListOfShape& aLG = theTranslationHistory.Generated(aTwin);
+      TopTools_ListIteratorOfListOfShape itLG(aLG);
+      for (; itLG.More(); itLG.Next())
+      {
+        const TopoDS_Shape& aG = itLG.Value();
+        const TopTools_ListOfShape& aLM = theGluingHistory.Modified(aG);
+        if (aLM.IsEmpty())
+          aNewGroup.Add(aG);
+        else
+        {
+          TopTools_ListIteratorOfListOfShape itLM(aLM);
+          for (; itLM.More(); itLM.Next())
+            aNewGroup.Add(itLM.Value());
+        }
+      }
+
+      if (bShape)
+        bShape = Standard_False;
+      else
+        itLT.Next();
+    }
+
+    // Associate the twins to each other
+    const Standard_Integer aNbTwins = aNewGroup.Extent();
+    for (Standard_Integer i = 1; i <= aNbTwins; ++i)
+    {
+      TopTools_ListOfShape* pTwins = aNewTwinsMap.Bound(aNewGroup(i), TopTools_ListOfShape());
+      for (Standard_Integer j = 1; j <= aNbTwins; ++j)
+        if (i != j) pTwins->Append(aNewGroup(j));
+    }
+  }
+
+  myRepeatedTwins = aNewTwinsMap;
+}

src/BOPAlgo/BOPAlgo_MakePeriodic.hxx

@@ -0,0 +1,603 @@
+// Created on: 2018-03-16
+// Created by: Eugeny MALTCHIKOV
+// Copyright (c) 2018 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BOPAlgo_MakePeriodic_HeaderFile
+#define _BOPAlgo_MakePeriodic_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <BOPAlgo_Options.hxx>
+#include <BRepTools_History.hxx>
+#include <Standard_Boolean.hxx>
+#include <TopoDS_Shape.hxx>
+#include <TopTools_DataMapOfShapeShape.hxx>
+
+//! BOPAlgo_MakePeriodic is the tool for making an arbitrary shape periodic
+//! in 3D space in specified directions.
+//!
+//! Periodicity of the shape means that the shape can be repeated in any
+//! periodic direction any number of times without creation of the new
+//! geometry or splits.
+//!
+//! The idea is to make the shape look identical on the opposite sides of the
+//! periodic directions, so when translating the copy of a shape on the period
+//! there will be no coinciding parts of different dimensions.
+//!
+//! If necessary the algorithm will trim the shape to fit it into the
+//! requested period by splitting it by the planes limiting the shape's
+//! requested period.
+//!
+//! For making the shape periodic in certain direction the algorithm performs
+//! the following steps:
+//! * Creates the copy of the shape and moves it on the period into negative
+//!   side of the requested direction;
+//! * Splits the negative side of the shape by the moved copy, ensuring copying
+//!   of the geometry from positive side to negative;
+//! * Creates the copy of the shape (with already split negative side) and moves
+//!   it on the period into the positive side of the requested direction;
+//! * Splits the positive side of the shape by the moved copy, ensuring copying
+//!   of the geometry from negative side to positive.
+//!
+//! The algorithm also associates the identical (or twin) shapes located
+//! on the opposite sides of the result shape.
+//! Using the *GetTwins()* method it is possible to get the twin shapes from
+//! the opposite sides.
+//!
+//! Algorithm also provides the methods to repeat the periodic shape in
+//! periodic directions. The subsequent repetitions are performed on the
+//! repeated shape, thus repeating the shape two times in X direction will
+//! create result in three shapes (original plus two copies).
+//! Single subsequent repetition will result already in 6 shapes.
+//! The repetitions can be cleared and started over.
+//!
+//! The algorithm supports History of shapes modifications, thus
+//! it is possible to track how the shape has been changed to make it periodic
+//! and what new shapes have been created during repetitions.
+//!
+//! The algorithm supports the parallel processing mode, which allows faster
+//! completion of the operations.
+//!
+//! The algorithm supports the Error/Warning system and returns the following alerts:
+//! - *BOPAlgo_AlertNoPeriodicityRequired* - Error alert is given if no periodicity
+//!                                          has been requested in any direction;
+//! - *BOPAlgo_AlertUnableToTrim* - Error alert is given if the trimming of the shape
+//!                                 for fitting it into requested period has failed;
+//! - *BOPAlgo_AlertUnableToMakeIdentical* - Error alert is given if splitting of the
+//!                                          shape by its moved copies has failed;
+//! - *BOPAlgo_AlertUnableToRepeat* - Warning alert is given if the gluing of the repeated
+//!                                   shapes has failed.
+//!
+//! Example of usage of the algorithm:
+//! ~~~~
+//! TopoDS_Shape aShape = ...;                 // The shape to make periodic
+//! Standard_Boolean bMakeXPeriodic = ...;     // Flag for making or not the shape periodic in X direction
+//! Standard_Real aXPeriod = ...;              // X period for the shape
+//! Standard_Boolean isXTrimmed = ...;         // Flag defining whether it is necessary to trimming
+//!                                            // the shape to fit to X period
+//! Standard_Real aXFirst = ...;               // Start of the X period
+//!                                            // (really necessary only if the trimming is requested)
+//! Standard_Boolean bRunParallel = ...;       // Parallel processing mode or single
+//!
+//! BOPAlgo_MakePeriodic aPeriodicityMaker;                   // Periodicity maker
+//! aPeriodicityMaker.SetShape(aShape);                       // Set the shape
+//! aPeriodicityMaker.MakeXPeriodic(bMakePeriodic, aXPeriod); // Making the shape periodic in X direction
+//! aPeriodicityMaker.SetTrimmed(isXTrimmed, aXFirst);        // Trim the shape to fit X period
+//! aPeriodicityMaker.SetRunParallel(bRunParallel);           // Set the parallel processing mode
+//! aPeriodicityMaker.Perform();                              // Performing the operation
+//!
+//! if (aPeriodicityMaker.HasErrors())                        // Check for the errors
+//! {
+//!   // errors treatment
+//!   Standard_SStream aSStream;
+//!   aPeriodicityMaker.DumpErrors(aSStream);
+//!   return;
+//! }
+//! if (aPeriodicityMaker.HasWarnings())                      // Check for the warnings
+//! {
+//!   // warnings treatment
+//!   Standard_SStream aSStream;
+//!   aPeriodicityMaker.DumpWarnings(aSStream);
+//! }
+//! const TopoDS_Shape& aPeriodicShape = aPeriodicityMaker.Shape(); // Result periodic shape
+//!
+//!
+//! aPeriodicityMaker.XRepeat(2);                                    // Making repetitions
+//! const TopoDS_Shape& aRepeat = aPeriodicityMaker.RepeatedShape(); // Getting the repeated shape
+//! aPeriodicityMaker.ClearRepetitions();                            // Clearing the repetitions
+//! ~~~~
+//!
+class BOPAlgo_MakePeriodic : public BOPAlgo_Options
+{
+public:
+
+  DEFINE_STANDARD_ALLOC
+
+public: //! @name Constructor
+
+  //! Empty constructor
+  BOPAlgo_MakePeriodic() : BOPAlgo_Options()
+  {
+    myRepeatPeriod[0] = myRepeatPeriod[1] = myRepeatPeriod[2] = 0.0;
+  }
+
+
+public: //! @name Setting the shape to make it periodic
+
+  //! Sets the shape to make it periodic.
+  //! @param theShape [in] The shape to make periodic.
+  void SetShape(const TopoDS_Shape& theShape)
+  {
+    myInputShape = theShape;
+  }
+
+
+public: //! @name Definition of the structure to keep all periodicity parameters
+
+  //! Structure to keep all periodicity parameters:
+  struct PeriodicityParams
+  {
+    PeriodicityParams()
+    {
+      Clear();
+    }
+
+    //! Returns all previously set parameters to default values
+    void Clear()
+    {
+      myPeriodic[0] = myPeriodic[1] = myPeriodic[2] = Standard_False;
+      myPeriod[0] = myPeriod[1] = myPeriod[2] = 0.0;
+      myIsTrimmed[0] = myIsTrimmed[1] = myIsTrimmed[2] = Standard_True;
+      myPeriodFirst[0] = myPeriodFirst[1] = myPeriodFirst[2] = 0.0;
+    }
+
+    Standard_Boolean myPeriodic[3];  //!< Array of flags defining whether the shape should be
+                                     //! periodic in XYZ directions
+    Standard_Real myPeriod[3];       //!< Array of XYZ period values. Defining the period for any
+                                     //! direction the corresponding flag for that direction in
+                                     //! myPeriodic should be set to true
+    Standard_Boolean myIsTrimmed[3]; //!< Array of flags defining whether the input shape has to be
+                                     //! trimmed to fit the required period in the required direction
+    Standard_Real myPeriodFirst[3];  //!< Array of start parameters of the XYZ periods: required for trimming
+  };
+
+
+public: //! @name Setters/Getters for periodicity parameters structure
+
+  //! Sets the periodicity parameters.
+  //! @param theParams [in] Periodicity parameters
+  void SetPeriodicityParameters(const PeriodicityParams& theParams)
+  {
+    myPeriodicityParams = theParams;
+  }
+
+  const PeriodicityParams& PeriodicityParameters() const
+  {
+    return myPeriodicityParams;
+  }
+
+
+public: //! @name Methods for setting/getting periodicity info using ID as a direction
+
+  //! Sets the flag to make the shape periodic in specified direction:
+  //! - 0 - X direction;
+  //! - 1 - Y direction;
+  //! - 2 - Z direction.
+  //!
+  //! @param theDirectionID [in] The direction's ID;
+  //! @param theIsPeriodic [in] Flag defining periodicity in given direction;
+  //! @param thePeriod [in] Required period in given direction.
+  void MakePeriodic(const Standard_Integer theDirectionID,
+                    const Standard_Boolean theIsPeriodic,
+                    const Standard_Real thePeriod = 0.0)
+  {
+    Standard_Integer id = ToDirectionID(theDirectionID);
+    myPeriodicityParams.myPeriodic[id] = theIsPeriodic;
+    myPeriodicityParams.myPeriod[id] = theIsPeriodic ? thePeriod : 0.0;
+  }
+
+  //! Returns the info about Periodicity of the shape in specified direction.
+  //! @param theDirectionID [in] The direction's ID.
+  Standard_Boolean IsPeriodic(const Standard_Integer theDirectionID) const
+  {
+    return myPeriodicityParams.myPeriodic[ToDirectionID(theDirectionID)];
+  }
+
+  //! Returns the Period of the shape in specified direction.
+  //! @param theDirectionID [in] The direction's ID.
+  Standard_Real Period(const Standard_Integer theDirectionID) const
+  {
+    Standard_Integer id = ToDirectionID(theDirectionID);
+    return myPeriodicityParams.myPeriodic[id] ? myPeriodicityParams.myPeriod[id] : 0.0;
+  }
+
+
+public: //! @name Named methods for setting/getting info about shape's periodicity
+
+  //! Sets the flag to make the shape periodic in X direction.
+  //! @param theIsPeriodic [in] Flag defining periodicity in X direction;
+  //! @param thePeriod [in] Required period in X direction.
+  void MakeXPeriodic(const Standard_Boolean theIsPeriodic,
+                     const Standard_Real thePeriod = 0.0)
+  {
+    MakePeriodic(0, theIsPeriodic, thePeriod);
+  }
+
+  //! Returns the info about periodicity of the shape in X direction.
+  Standard_Boolean IsXPeriodic() const { return IsPeriodic(0); }
+
+  //! Returns the XPeriod of the shape
+  Standard_Real XPeriod() const { return Period(0); }
+
+  //! Sets the flag to make the shape periodic in Y direction.
+  //! @param theIsPeriodic [in] Flag defining periodicity in Y direction;
+  //! @param thePeriod [in] Required period in Y direction.
+  void MakeYPeriodic(const Standard_Boolean theIsPeriodic,
+                     const Standard_Real thePeriod = 0.0)
+  {
+    MakePeriodic(1, theIsPeriodic, thePeriod);
+  }
+
+  //! Returns the info about periodicity of the shape in Y direction.
+  Standard_Boolean IsYPeriodic() const { return IsPeriodic(1); }
+
+  //! Returns the YPeriod of the shape.
+  Standard_Real YPeriod() const { return Period(1); }
+
+  //! Sets the flag to make the shape periodic in Z direction.
+  //! @param theIsPeriodic [in] Flag defining periodicity in Z direction;
+  //! @param thePeriod [in] Required period in Z direction.
+  void MakeZPeriodic(const Standard_Boolean theIsPeriodic,
+                     const Standard_Real thePeriod = 0.0)
+  {
+    MakePeriodic(2, theIsPeriodic, thePeriod);
+  }
+
+  //! Returns the info about periodicity of the shape in Z direction.
+  Standard_Boolean IsZPeriodic() const { return IsPeriodic(2); }
+
+  //! Returns the ZPeriod of the shape.
+  Standard_Real ZPeriod() const { return Period(2); }
+
+
+public: //! @name Methods for setting/getting trimming info taking Direction ID as a parameter
+
+  //! Defines whether the input shape is already trimmed in specified direction
+  //! to fit the period in this direction.
+  //! Direction is defined by an ID:
+  //! - 0 - X direction;
+  //! - 1 - Y direction;
+  //! - 2 - Z direction.
+  //!
+  //! If the shape is not trimmed it is required to set the first parameter
+  //! of the period in that direction.
+  //! The algorithm will make the shape fit into the period.
+  //!
+  //! Before calling this method, the shape has to be set to be periodic in this direction.
+  //!
+  //! @param theDirectionID [in] The direction's ID;
+  //! @param theIsTrimmed [in] The flag defining trimming of the shape in given direction;
+  //! @param theFirst [in] The first periodic parameter in the given direction.
+  void SetTrimmed(const Standard_Integer theDirectionID,
+                  const Standard_Boolean theIsTrimmed,
+                  const Standard_Real theFirst = 0.0)
+  {
+    Standard_Integer id = ToDirectionID(theDirectionID);
+    if (IsPeriodic(id))
+    {
+      myPeriodicityParams.myIsTrimmed[id] = theIsTrimmed;
+      myPeriodicityParams.myPeriodFirst[id] = !theIsTrimmed ? theFirst : 0.0;
+    }
+  }
+
+  //! Returns whether the input shape was trimmed in the specified direction.
+  //! @param theDirectionID [in] The direction's ID.
+  Standard_Boolean IsInputTrimmed(const Standard_Integer theDirectionID) const
+  {
+    return myPeriodicityParams.myIsTrimmed[ToDirectionID(theDirectionID)];
+  }
+
+  //! Returns the first periodic parameter in the specified direction.
+  //! @param theDirectionID [in] The direction's ID.
+  Standard_Real PeriodFirst(const Standard_Integer theDirectionID) const
+  {
+    Standard_Integer id = ToDirectionID(theDirectionID);
+    return !myPeriodicityParams.myIsTrimmed[id] ? myPeriodicityParams.myPeriodFirst[id] : 0.0;
+  }
+
+
+public: //! @name Named methods for setting/getting trimming info
+
+  //! Defines whether the input shape is already trimmed in X direction
+  //! to fit the X period. If the shape is not trimmed it is required
+  //! to set the first parameter for the X period.
+  //! The algorithm will make the shape fit into the period.
+  //!
+  //! Before calling this method, the shape has to be set to be periodic in this direction.
+  //!
+  //! @param theIsTrimmed [in] Flag defining whether the shape is already trimmed
+  //!                          in X direction to fit the X period;
+  //! @param theFirst [in] The first X periodic parameter.
+  void SetXTrimmed(const Standard_Boolean theIsTrimmed,
+                   const Standard_Boolean theFirst = 0.0)
+  {
+    SetTrimmed(0, theIsTrimmed, theFirst);
+  }
+
+  //! Returns whether the input shape was already trimmed for X period.
+  Standard_Boolean IsInputXTrimmed() const
+  {
+    return IsInputTrimmed(0);
+  }
+
+  //! Returns the first parameter for the X period.
+  Standard_Real XPeriodFirst() const
+  {
+    return PeriodFirst(0);
+  }
+
+  //! Defines whether the input shape is already trimmed in Y direction
+  //! to fit the Y period. If the shape is not trimmed it is required
+  //! to set the first parameter for the Y period.
+  //! The algorithm will make the shape fit into the period.
+  //!
+  //! Before calling this method, the shape has to be set to be periodic in this direction.
+  //!
+  //! @param theIsTrimmed [in] Flag defining whether the shape is already trimmed
+  //!                          in Y direction to fit the Y period;
+  //! @param theFirst [in] The first Y periodic parameter.
+  void SetYTrimmed(const Standard_Boolean theIsTrimmed,
+                   const Standard_Boolean theFirst = 0.0)
+  {
+    SetTrimmed(1, theIsTrimmed, theFirst);
+  }
+
+  //! Returns whether the input shape was already trimmed for Y period.
+  Standard_Boolean IsInputYTrimmed() const
+  {
+    return IsInputTrimmed(1);
+  }
+
+  //! Returns the first parameter for the Y period.
+  Standard_Real YPeriodFirst() const
+  {
+    return PeriodFirst(1);
+  }
+
+  //! Defines whether the input shape is already trimmed in Z direction
+  //! to fit the Z period. If the shape is not trimmed it is required
+  //! to set the first parameter for the Z period.
+  //! The algorithm will make the shape fit into the period.
+  //!
+  //! Before calling this method, the shape has to be set to be periodic in this direction.
+  //!
+  //! @param theIsTrimmed [in] Flag defining whether the shape is already trimmed
+  //!                          in Z direction to fit the Z period;
+  //! @param theFirst [in] The first Z periodic parameter.
+  void SetZTrimmed(const Standard_Boolean theIsTrimmed,
+                   const Standard_Boolean theFirst = 0.0)
+  {
+    SetTrimmed(2, theIsTrimmed, theFirst);
+  }
+
+  //! Returns whether the input shape was already trimmed for Z period.
+  Standard_Boolean IsInputZTrimmed() const
+  {
+    return IsInputTrimmed(2);
+  }
+
+  //! Returns the first parameter for the Z period.
+  Standard_Real ZPeriodFirst() const
+  {
+    return PeriodFirst(2);
+  }
+
+public: //! @name Performing  the operation
+
+  //! Makes the shape periodic in necessary directions
+  Standard_EXPORT void Perform();
+
+
+public: //! @name Using the algorithm to repeat the shape
+
+  //! Performs repetition of the shape in specified direction
+  //! required number of times.
+  //! Negative value of times means that the repetition should
+  //! be perform in negative direction.
+  //! Makes the repeated shape a base for following repetitions.
+  //!
+  //! @param theDirectionID [in] The direction's ID;
+  //! @param theTimes [in] Requested number of repetitions.
+  Standard_EXPORT const TopoDS_Shape& RepeatShape(const Standard_Integer theDirectionID,
+                                                  const Standard_Integer theTimes);
+
+  //! Repeats the shape in X direction specified number of times.
+  //! Negative value of times means that the repetition should be
+  //! perform in negative X direction.
+  //! Makes the repeated shape a base for following repetitions.
+  //!
+  //! @param theTimes [in] Requested number of repetitions.
+  const TopoDS_Shape& XRepeat(const Standard_Integer theTimes)
+  {
+    return RepeatShape(0, theTimes);
+  }
+
+  //! Repeats the shape in Y direction specified number of times.
+  //! Negative value of times means that the repetition should be
+  //! perform in negative Y direction.
+  //! Makes the repeated shape a base for following repetitions.
+  //!
+  //! @param theTimes [in] Requested number of repetitions.
+  const TopoDS_Shape& YRepeat(const Standard_Integer theTimes)
+  {
+    return RepeatShape(1, theTimes);
+  }
+
+  //! Repeats the shape in Z direction specified number of times.
+  //! Negative value of times means that the repetition should be
+  //! perform in negative Z direction.
+  //! Makes the repeated shape a base for following repetitions.
+  //!
+  //! @param theTimes [in] Requested number of repetitions.
+  const TopoDS_Shape& ZRepeat(const Standard_Integer theTimes)
+  {
+    return RepeatShape(2, theTimes);
+  }
+
+
+public: //! @name Starting the repetitions over
+
+  //! Returns the repeated shape
+  const TopoDS_Shape& RepeatedShape() const { return myRepeatedShape; }
+
+  //! Clears all performed repetitions.
+  //! The next repetition will be performed on the base shape.
+  void ClearRepetitions()
+  {
+    myRepeatPeriod[0] = myRepeatPeriod[1] = myRepeatPeriod[2] = 0.0;
+    myRepeatedShape.Nullify();
+    myRepeatedTwins.Clear();
+    if (!myHistory.IsNull())
+    {
+      myHistory->Clear();
+      if (!mySplitHistory.IsNull())
+        myHistory->Merge(mySplitHistory);
+    }
+  }
+
+public: //! @name Obtaining the result shape
+
+  //! Returns the resulting periodic shape
+  const TopoDS_Shape& Shape() const { return myShape; }
+
+
+public: //! @name Getting the identical shapes
+
+  //! Returns the identical shapes for the given shape located
+  //! on the opposite periodic side.
+  //! Returns empty list in case the shape has no twin.
+  //!
+  //! @param theS [in] Shape to get the twins for.
+  const TopTools_ListOfShape& GetTwins(const TopoDS_Shape& theS) const
+  {
+    static TopTools_ListOfShape empty;
+    const TopTools_ListOfShape* aTwins =
+      myRepeatedTwins.IsEmpty() ? myTwins.Seek(theS) : myRepeatedTwins.Seek(theS);
+    return (aTwins ? *aTwins : empty);
+  }
+
+
+public: //! @name Getting the History of the algorithm
+
+  //! Returns the History of the algorithm
+  const Handle(BRepTools_History)& History() const
+  {
+    return myHistory;
+  }
+
+public: //! @name Clearing the algorithm from previous runs
+
+  //! Clears the algorithm from previous runs
+  void Clear()
+  {
+    BOPAlgo_Options::Clear();
+    myPeriodicityParams.Clear();
+    myShape.Nullify();
+    if (!mySplitHistory.IsNull())
+      mySplitHistory->Clear();
+    if (!myHistory.IsNull())
+      myHistory->Clear();
+
+    ClearRepetitions();
+  }
+
+
+public: //! @name Conversion of the integer to ID of periodic direction
+
+  //! Converts the integer to ID of periodic direction
+  static Standard_Integer ToDirectionID(const Standard_Integer theDirectionID)
+  {
+    return Abs(theDirectionID % 3);
+  }
+
+
+protected: //! @name Protected methods performing the operation
+
+  //! Checks the validity of input data
+  Standard_EXPORT void CheckData();
+
+  //! Trims the shape to fit to the periodic bounds
+  Standard_EXPORT void Trim();
+
+  //! Makes the shape identical on opposite sides
+  Standard_EXPORT void MakeIdentical();
+
+  //! Splits the negative side of the shape with the geometry
+  //! located on the positive side copying the geometry from
+  //! positive side to the negative.
+  Standard_EXPORT void SplitNegative();
+
+  //! Splits the positive side of the shape with the geometry
+  //! located on the negative side of the shape.
+  //! Ensures that the geometries on the opposite sides will
+  //! be identical.
+  //! Associates the identical opposite sub-shapes.
+  Standard_EXPORT void SplitPositive();
+
+  //! Splits the shape by the given tools, copying the geometry of coinciding
+  //! parts from the given tools to the split shape.
+  //! @param theTools [in] The tools to split the shape and take the geometry
+  //!                      for coinciding parts.
+  //! @param theSplitShapeHistory [out] The history of shape split
+  //! @param theSplitToolsHistory [out] The history of tools modifications during the split
+  Standard_EXPORT void SplitShape(const TopTools_ListOfShape& theTools,
+                                  Handle(BRepTools_History) theSplitShapeHistory = NULL,
+                                  Handle(BRepTools_History) theSplitToolsHistory = NULL);
+
+  //! Updates the map of twins after periodic shape repetition.
+  //! @param theTranslationHistory [in] The history of translation of the periodic shape.
+  //! @param theGluingHistory [in] The history of gluing of the repeated shapes.
+  Standard_EXPORT void UpdateTwins(const BRepTools_History& theTranslationHistory,
+                                   const BRepTools_History& theGluingHistory);
+
+
+protected: //! @name Fields
+
+  // Inputs
+  TopoDS_Shape myInputShape;         //!< Input shape to make periodic
+
+  PeriodicityParams myPeriodicityParams; //!< Periodicity parameters
+
+  // Results
+  TopoDS_Shape myShape;                //!< Resulting periodic shape (base for repetitions)
+  TopoDS_Shape myRepeatedShape;        //!< Resulting shape after making repetitions of the base
+  Standard_Real myRepeatPeriod[3];     //!< XYZ repeat period
+  TopTools_DataMapOfShapeListOfShape myRepeatedTwins; //!< Map of associations of the identical sub-shapes
+                                                      //! after repetition of the periodic shape
+
+  // Twins
+  TopTools_DataMapOfShapeListOfShape myTwins; //!< Map of associations of the identical sub-shapes
+                                              //! located on the opposite sides of the shape
+
+  // History
+  Handle(BRepTools_History) mySplitHistory;  //!< Split history - history of shapes modification
+                                             //! after the split for making the shape periodic
+  Handle(BRepTools_History) myHistory;       //!< Final history of shapes modifications
+                                             //! (to include the history of shape repetition)
+
+};
+
+#endif // _BOPAlgo_MakePeriodic_HeaderFile

src/BOPAlgo/BOPAlgo_MakerVolume.cxx

@@ -332,97 +332,40 @@ void BOPAlgo_MakerVolume::FillInternalShapes(const TopTools_ListOfShape& theLSR)
   if (myAvoidInternalShapes) {
     return;
   }
-  //
+
   UserBreak();
-  //
-  Standard_Integer aNbSI;
-  TopAbs_ShapeEnum aType;
-  TopAbs_State aState; 
-  TopoDS_Iterator aItS;
-  BRep_Builder aBB;
+
+  // Get all non-compound shapes
+  TopTools_ListOfShape aLSC;
+  // Fence map
   TopTools_MapOfShape aMFence;
-  TopTools_IndexedMapOfShape aMSS;
-  TopTools_ListOfShape aLVE, aLSC, aLSIn;
-  TopTools_ListIteratorOfListOfShape aIt, aIt1;
-  //
-  // 1. Collect shapes to process: vertices, edges, wires
-  const TopTools_ListOfShape& anArguments = myDS->Arguments();
-  aIt.Initialize(anArguments);
-  for (; aIt.More(); aIt.Next()) {
-    const TopoDS_Shape& aS = aIt.Value();
-    BOPAlgo_Tools::TreatCompound(aS, aMFence, aLSC);
-  }
-  //
-  aIt.Initialize(aLSC);
-  for (; aIt.More(); aIt.Next()) {
-    const TopoDS_Shape& aS = aIt.Value();
-    aType = aS.ShapeType();
-    if (aType == TopAbs_WIRE) {
-      aItS.Initialize(aS);
-      for(; aItS.More(); aItS.Next()) {
-        const TopoDS_Shape& aE = aItS.Value();
-        if (aMFence.Add(aE)) {
-          aLVE.Append(aE);
-        }
+
+  TopTools_ListOfShape::Iterator itLA(myDS->Arguments());
+  for (; itLA.More(); itLA.Next())
+    BOPAlgo_Tools::TreatCompound(itLA.Value(), aMFence, aLSC);
+
+  // Get only edges and vertices from arguments
+  TopTools_ListOfShape aLVE;
+
+  itLA.Initialize(aLSC);
+  for (; itLA.More(); itLA.Next())
+  {
+    const TopoDS_Shape& aS = itLA.Value();
+    TopAbs_ShapeEnum aType = aS.ShapeType();
+    if (aType == TopAbs_WIRE)
+    {
+      for (TopoDS_Iterator it(aS); it.More(); it.Next())
+      {
+        const TopoDS_Shape& aSS = it.Value();
+        if (aMFence.Add(aSS))
+          aLVE.Append(aSS);
       }
     }
-    else if (aType == TopAbs_VERTEX || aType == TopAbs_EDGE) {
+    else if (aType == TopAbs_VERTEX || aType == TopAbs_EDGE)
       aLVE.Append(aS);
-    } 
-  }
-  //
-  aIt.Initialize(theLSR);
-  for (; aIt.More(); aIt.Next()) {
-    const TopoDS_Shape& aS = aIt.Value();
-    TopExp::MapShapes(aS, TopAbs_EDGE, aMSS);
-    TopExp::MapShapes(aS, TopAbs_VERTEX, aMSS);
-  }
-  //
-  aIt.Initialize(aLVE);
-  for (; aIt.More(); aIt.Next()) {
-    const TopoDS_Shape& aS = aIt.Value();
-    if (myImages.IsBound(aS)) {
-      const TopTools_ListOfShape &aLSp = myImages.Find(aS);
-      aIt1.Initialize(aLSp);
-      for (; aIt1.More(); aIt1.Next()) {
-        const TopoDS_Shape& aSp = aIt1.Value();
-        if (aMSS.Add(aSp)) {
-          aLSIn.Append(aSp);
-        }
-      }
-    }
-    else {
-      if (aMSS.Add(aS)) {
-        aLSIn.Append(aS);
-      }
-    }
-  }
-  //
-  aNbSI = aLSIn.Extent();
-  if (!aNbSI) {
-    return;
-  }
-  //
-  // 2. Settle internal vertices and edges into solids
-  aIt.Initialize(theLSR);
-  for (; aIt.More(); aIt.Next()) {
-    TopoDS_Solid aSd = *(TopoDS_Solid*)&aIt.Value();
-    //
-    aIt1.Initialize(aLSIn);
-    for (; aIt1.More(); ) {
-      TopoDS_Shape aSI = aIt1.Value();
-      aSI.Orientation(TopAbs_INTERNAL);
-      //
-      aState = BOPTools_AlgoTools::ComputeStateByOnePoint(aSI, aSd, 1.e-11, myContext);
-      if (aState == TopAbs_IN) {
-        aBB.Add(aSd, aSI);
-        aLSIn.Remove(aIt1);
-      }
-      else {
-        aIt1.Next();
-      }
-    }
   }
+
+  BOPAlgo_Tools::FillInternals(theLSR, aLVE, myImages, myContext);
 }
 
 //=======================================================================

src/BOPAlgo/BOPAlgo_PaveFiller.cxx

@@ -173,22 +173,6 @@ void BOPAlgo_PaveFiller::SetSectionAttribute
   mySectionAttribute = theSecAttr;
 }
 //=======================================================================
-//function : SetArguments
-//purpose  : 
-//=======================================================================
-void BOPAlgo_PaveFiller::SetArguments(const TopTools_ListOfShape& theLS)
-{
-  myArguments=theLS;
-}
-//=======================================================================
-//function : Arguments
-//purpose  : 
-//=======================================================================
-const TopTools_ListOfShape& BOPAlgo_PaveFiller::Arguments()const
-{
-  return myArguments;
-}
-//=======================================================================
 // function: Init
 // purpose: 
 //=======================================================================
@@ -328,6 +312,8 @@ void BOPAlgo_PaveFiller::PerformInternal()
   myDS->ReleasePaveBlocks();
   myDS->RefineFaceInfoOn();
   //
+  RemoveMicroEdges();
+  //
   MakePCurves();
   if (HasErrors()) {
     return; 

src/BOPAlgo/BOPAlgo_PaveFiller.hxx

@@ -125,9 +125,23 @@ public:
   
   Standard_EXPORT const BOPDS_PIterator& Iterator();
   
-  Standard_EXPORT void SetArguments (const TopTools_ListOfShape& theLS);
-  
-  Standard_EXPORT const TopTools_ListOfShape& Arguments() const;
+  //! Sets the arguments for operation
+  void SetArguments (const TopTools_ListOfShape& theLS)
+  {
+    myArguments = theLS;
+  }
+
+  //! Adds the argument for operation
+  void AddArgument(const TopoDS_Shape& theShape)
+  {
+    myArguments.Append(theShape);
+  }
+
+  //! Returns the list of arguments
+  const TopTools_ListOfShape& Arguments() const
+  {
+    return myArguments;
+  }
   
   Standard_EXPORT const Handle(IntTools_Context)& Context();
   
@@ -548,6 +562,8 @@ protected:
   Standard_EXPORT void RemoveMicroSectionEdges(BOPDS_IndexedDataMapOfShapeCoupleOfPaveBlocks& theMSCPB,
                                                BOPDS_IndexedMapOfPaveBlock& theMicroPB);
 
+  //! Check all edges on the micro status and remove the positive ones
+  Standard_EXPORT void RemoveMicroEdges();
 
   TopTools_ListOfShape myArguments;
   BOPDS_PDS myDS;

src/BOPAlgo/BOPAlgo_PaveFiller_2.cxx

@@ -368,6 +368,9 @@ void BOPAlgo_PaveFiller::SplitPaveBlocks(const TColStd_MapOfInteger& theMEdges,
                              BOPDS_ListOfPaveBlock,
                              TColStd_MapTransientHasher> aMCBNewPB;
   //
+  // Map of vertices to init the pave blocks for them
+  TColStd_MapOfInteger aMVerticesToInitPB;
+
   TColStd_MapIteratorOfMapOfInteger aItM(theMEdges);
   for (; aItM.More(); aItM.Next()) {
     Standard_Integer nE = aItM.Value();
@@ -429,6 +432,10 @@ void BOPAlgo_PaveFiller::SplitPaveBlocks(const TColStd_MapOfInteger& theMEdges,
               aLV.Append(nV1);
               aLV.Append(nV2);
               MakeSDVertices(aLV, theAddInterfs);
+
+              // Save vertices to init pave blocks
+              aMVerticesToInitPB.Add(nV1);
+              aMVerticesToInitPB.Add(nV2);
             }
             continue;
           }
@@ -531,6 +538,11 @@ void BOPAlgo_PaveFiller::SplitPaveBlocks(const TColStd_MapOfInteger& theMEdges,
       }
     }
   }
+
+  // Init pave blocks for vertices which have acquired SD vertex
+  aItM.Initialize(aMVerticesToInitPB);
+  for (; aItM.More(); aItM.Next())
+    myDS->InitPaveBlocksForVertex(aItM.Value());
 }
 
 //=======================================================================
@@ -547,4 +559,4 @@ void BOPAlgo_PaveFiller::AddIntersectionFailedWarning(const TopoDS_Shape& theS1,
   BRep_Builder().Add(aWC, theS2);
   // Add the warning
   AddWarning(new BOPAlgo_AlertIntersectionOfPairOfShapesFailed(aWC));
-}
+}

src/BOPAlgo/BOPAlgo_PaveFiller_3.cxx

@@ -629,9 +629,13 @@ void BOPAlgo_PaveFiller::FillShrunkData(Handle(BOPDS_PaveBlock)& thePB)
   const TopoDS_Vertex& aV1=(*(TopoDS_Vertex *)(&myDS->Shape(nV1))); 
   const TopoDS_Vertex& aV2=(*(TopoDS_Vertex *)(&myDS->Shape(nV2))); 
   // Get the edge
-  Standard_Integer nE = thePB->OriginalEdge();
-  if (nE < 0 && !thePB->HasEdge(nE))
-    return;
+  Standard_Integer nE = -1;
+  if (!thePB->HasEdge(nE))
+  {
+    nE = thePB->OriginalEdge();
+    if (nE < 0)
+      return;
+  }
 
   const TopoDS_Edge& aE=(*(TopoDS_Edge *)(&myDS->Shape(nE))); 
   // Range

src/BOPAlgo/BOPAlgo_PaveFiller_6.cxx

@@ -900,7 +900,7 @@ void BOPAlgo_PaveFiller::PostTreatFF
   //
   // 1 prepare arguments
   TopTools_MapOfShape anAddedSD;
-  for (k=1; k<=aNbS; ++k) {
+  for (k = aNbS; k > 0; --k) {
     const TopoDS_Shape& aS=theMSCPB.FindKey(k);
     aLS.Append(aS);
     // add vertices-candidates for SD from the map aDMNewSD,
@@ -1025,8 +1025,11 @@ void BOPAlgo_PaveFiller::PostTreatFF
       if (!bIntersectionPoint) {
         // save SD connection
         nSx = myDS->Index(aSx);
-        aDMNewSD.Bind(nSx, iV);
-        myDS->AddShapeSD(nSx, iV);
+        if (nSx != iV)
+        {
+          aDMNewSD.Bind(nSx, iV);
+          myDS->AddShapeSD(nSx, iV);
+        }
       }
       else {
         // update FF interference
@@ -1075,8 +1078,7 @@ void BOPAlgo_PaveFiller::PostTreatFF
         // note we check not the edge aSx itself, but its image in aPDS
         const BOPDS_ListOfPaveBlock& aLPBx = aPDS->PaveBlocks(nSx);
         aNbLPBx = aLPBx.Extent();
-        if (aPDS->HasPaveBlocks(nSx) &&
-            (aNbLPBx == 0 || (aNbLPBx == 1 && !aLPBx.First()->HasShrunkData()))) {
+        if (aNbLPBx == 0 || (aNbLPBx == 1 && !aLPBx.First()->HasShrunkData())) {
           BOPDS_ListIteratorOfListOfPaveBlock it(aLPBC);
           for (; it.More(); it.Next()) {
             if (it.Value() == aPB1) {
@@ -1084,6 +1086,12 @@ void BOPAlgo_PaveFiller::PostTreatFF
               break;
             }
           }
+
+          // The edge became micro edge, check vertices for SD
+          TopoDS_Iterator itV(aSx);
+          for (; itV.More(); itV.Next())
+            aLS.Append(itV.Value());
+
           continue;
         }
         //
@@ -2302,21 +2310,21 @@ void BOPAlgo_PaveFiller::GetFullShapeMap(const Standard_Integer nF,
 void BOPAlgo_PaveFiller::RemoveUsedVertices(const BOPDS_Curve& aNC,
                                             TColStd_MapOfInteger& aMV)
 {
-  if (!aMV.Extent()) {
+  if (aMV.IsEmpty())
     return;
-  }
 
   const BOPDS_ListOfPaveBlock& aLPBC = aNC.PaveBlocks();
   BOPDS_ListIteratorOfListOfPaveBlock itPB(aLPBC);
   for (; itPB.More(); itPB.Next())
   {
-    const BOPDS_ListOfPave& aLP = itPB.Value()->ExtPaves();
-    BOPDS_ListIteratorOfListOfPave aItLP(aLP);
-    for (;aItLP.More();aItLP.Next()) {
-      BOPDS_Pave aPave = aItLP.Value();
-      Standard_Integer nV = aPave.Index();
-      aMV.Remove(nV);
-    }
+    const Handle(BOPDS_PaveBlock)& aPB = itPB.Value();
+    const BOPDS_ListOfPave& aLP = aPB->ExtPaves();
+    BOPDS_ListIteratorOfListOfPave itLP(aLP);
+    for (; itLP.More(); itLP.Next())
+      aMV.Remove(itLP.Value().Index());
+
+    aMV.Remove(aPB->Pave1().Index());
+    aMV.Remove(aPB->Pave2().Index());
   }
 }
 
@@ -2732,42 +2740,63 @@ void BOPAlgo_PaveFiller::PutClosingPaveOnCurve(BOPDS_Curve& aNC)
   aIC.Bounds(aT[0], aT[1], aP[0], aP[1]);
 
   // Find the pave which has been put at one of the ends
+  BOPDS_Pave aPave;
+  // Index of the vertex put at one of the ends
   Standard_Integer nV = -1;
   // Keep the opposite parameter
   Standard_Real aTOp = 0.;
-
-  Standard_Boolean bFound = Standard_False;
+  // Keep the opposite bounding point
+  gp_Pnt aPOp;
 
   Handle(BOPDS_PaveBlock)& aPB = aNC.ChangePaveBlock1();
   BOPDS_ListOfPave& aLP = aPB->ChangeExtPaves();
   BOPDS_ListIteratorOfListOfPave aItLP(aLP);
-  for (; aItLP.More() && !bFound; aItLP.Next())
+  for (; aItLP.More() && (nV < 0); aItLP.Next())
   {
-    const BOPDS_Pave& aPC = aItLP.Value();
-    Standard_Real aTC = aPC.Parameter();
+    aPave = aItLP.Value();
+    Standard_Real aTC = aPave.Parameter();
     for (Standard_Integer j = 0; j < 2; ++j)
     {
       if (Abs(aTC - aT[j]) < Precision::PConfusion())
       {
-        nV = aPC.Index();
+        nV = aPave.Index();
         aTOp = (!j) ? aT[1] : aT[0];
-        bFound = Standard_True;
+        aPOp = (!j) ? aP[1] : aP[0];
         break;
       }
     }
   }
 
-  if (!bFound)
+  if (nV < 0)
+    // No paves on the bounds of the curve
     return;
 
   // Check if the curve is closed using the tolerance
   // of found vertex
   const TopoDS_Vertex& aV = TopoDS::Vertex(myDS->Shape(nV));
-  const Standard_Real aTolV = BRep_Tool::Tolerance(aV);
+  Standard_Real aTolV = BRep_Tool::Tolerance(aV);
+  gp_Pnt aPV = BRep_Tool::Pnt(aV);
+  // Tolerance for the point on the curve
+  Standard_Real aTolP = Max(aNC.Tolerance(), aNC.TangentialTolerance());
+  aTolP += Precision::Confusion();
 
-  Standard_Real aDist = aP[0].Distance(aP[1]);
-  if (aDist > aTolV)
+  const Standard_Real aDistVP = aPV.Distance(aPOp);
+  if (aDistVP > aTolV + aTolP)
+  {
+    // Curve is not closed
     return;
+  }
+
+  if (aDistVP > aTolV)
+  {
+    Standard_Integer nVn = UpdateVertex(nV, aDistVP);
+    if (nVn != nV)
+    {
+      aPave.SetIndex(nVn);
+      nV = nVn;
+    }
+    aTolV = BRep_Tool::Tolerance(TopoDS::Vertex(myDS->Shape(nV)));
+  }
 
   // Check if there will be valid range on the curve
   Standard_Real aFirst, aLast;
@@ -2776,15 +2805,17 @@ void BOPAlgo_PaveFiller::PutClosingPaveOnCurve(BOPDS_Curve& aNC)
                                aT[1], aP[1], aTolV,
                                aFirst, aLast))
   {
+    // No valid range
     return;
   }
 
   // Add closing pave to the curve
-  BOPDS_Pave aPave;
-  aPave.SetIndex(nV);
-  aPave.SetParameter(aTOp);
-  aLP.Append(aPave);
+  BOPDS_Pave aNewPave;
+  aNewPave.SetIndex(nV);
+  aNewPave.SetParameter(aTOp);
+  aLP.Append(aNewPave);
 }
+
 //=======================================================================
 //function : PreparePostTreatFF
 //purpose  : 
@@ -2919,79 +2950,46 @@ void BOPAlgo_PaveFiller::UpdatePaveBlocks
       bRebuild = Standard_False;
       aPB->Indices(nV[0], nV[1]);
       aPB->Range(aT[0], aT[1]);
-
-      Standard_Integer nE = aPB->OriginalEdge();
-      if (nE < 0)
-        // new edge
-        nE = aPB->Edge();
-
       // remember the fact if the edge had different vertices before substitution
       Standard_Boolean wasRegularEdge = (nV[0] != nV[1]);
-
-      const TopoDS_Edge& aE = TopoDS::Edge(myDS->Shape(nE));
-      TopoDS_Vertex aVE1, aVE2;
-      TopExp::Vertices(aE, aVE1, aVE2);
-      Standard_Boolean isClosedE = !aVE1.IsNull() && !aVE2.IsNull() && aVE1.IsSame(aVE2);
-      Standard_Boolean isDegEdge = myDS->ShapeInfo(nE).HasFlag();
       //
-      BOPDS_Pave aPave[2] = {aPB->Pave1(), aPB->Pave2()};
-
       for (j = 0; j < 2; ++j) {
         if (aDMNewSD.IsBound(nV[j])) {
+          BOPDS_Pave aPave;
           //
           nV[j] = aDMNewSD.Find(nV[j]);
-          // recompute the parameter
-          if (!isDegEdge)
-          {
-            const TopoDS_Vertex& aV = TopoDS::Vertex(myDS->Shape(nV[j]));
-            if (!isClosedE ||
-                BRep_Tool::Pnt(aV).Distance(BRep_Tool::Pnt(aVE1)) > BRep_Tool::Tolerance(aV) + myFuzzyValue)
-            {
-              Standard_Real aDummy, aTnew;
-              Standard_Integer iErr = myContext->ComputeVE(aV, aE, aTnew, aDummy, myFuzzyValue);
-              if (!iErr)
-                aT[j] = aTnew;
-            }
-            else
-            {
-              // choose the correct boundary parameter
-              Standard_Real f, l;
-              BRep_Tool::Range(aE, f, l);
-              aT[j] = Abs(aT[j] - f) < Abs(aT[j] - l) ? f : l;
-            }
-          }
-          aPave[j].SetIndex(nV[j]);
+          aPave.SetIndex(nV[j]);
+          aPave.SetParameter(aT[j]);
           //
           bRebuild = Standard_True;
+          if (!j) {
+            aPB->SetPave1(aPave);
+          }
+          else {
+            aPB->SetPave2(aPave);
+          }
         }
       }
-
+      //
       if (bRebuild) {
-        if (aT[0] < aT[1])
-        {
-          // It seems the parameters have been recomputed successfully
-          aPave[0].SetParameter(aT[0]);
-          aPave[1].SetParameter(aT[1]);
+        Standard_Integer nE = aPB->Edge();
+        // Check if the Pave Block has the edge set
+        if (nE < 0) {
+          // untouched edge
+          nE = aPB->OriginalEdge();
         }
-
-        aPB->SetPave1(aPave[0]);
-        aPB->SetPave2(aPave[1]);
-
+        Standard_Boolean isDegEdge = myDS->ShapeInfo(nE).HasFlag();
         if (wasRegularEdge && !isDegEdge && nV[0] == nV[1]) {
           // now edge has the same vertex on both ends;
           // check if it is not a regular closed curve.
           FillShrunkData(aPB);
           if (!aPB->HasShrunkData())
           {
-            Standard_Integer nEMicro = aPB->Edge();
-            if (nEMicro < 0)
-              nEMicro = aPB->OriginalEdge();
             // micro edge, so mark it for removal
-            aMicroEdges.Add(nEMicro);
+            aMicroEdges.Add(nE);
             continue;
           }
         }
-        aPB->Range(aT[0], aT[1]);
         nSp = SplitEdge(nE, nV[0], aT[0], nV[1], aT[1]);
         if (bCB)
           aCB->SetEdge(nSp);
@@ -3029,41 +3027,12 @@ void BOPAlgo_PaveFiller::RemovePaveBlocks(const TColStd_MapOfInteger theEdges)
     }
   }
 
-  // 2. from Face Info and section curves
+  // 2. from section curves
   TColStd_MapOfInteger aMPassed;
   BOPDS_VectorOfInterfFF& aFFs = myDS->InterfFF();
   Standard_Integer aNbFF = aFFs.Length(), j;
   for (i = 0; i < aNbFF; ++i) {
     BOPDS_InterfFF& aFF = aFFs(i);
-    Standard_Integer nF1, nF2;
-    aFF.Indices(nF1, nF2);
-    //
-    // rebuild pave block maps of face info
-    for (j = 0; j < 2; j++) {
-      Standard_Integer nF = (j == 0 ? nF1 : nF2);
-      if (!aMPassed.Add(nF))
-        continue;
-      BOPDS_FaceInfo& aFI = myDS->ChangeFaceInfo(nF);
-      BOPDS_IndexedMapOfPaveBlock* aIMPB[] = { &aFI.ChangePaveBlocksIn(),
-        &aFI.ChangePaveBlocksOn(), &aFI.ChangePaveBlocksSc() };
-      for (Standard_Integer k = 0; k < 3; k++) {
-        Standard_Integer aNbPB = aIMPB[k]->Extent(), m;
-        for (m = 1; m <= aNbPB; ++m) {
-          const Handle(BOPDS_PaveBlock)& aPB = aIMPB[k]->FindKey(m);
-          if (theEdges.Contains(aPB->Edge()))
-            break;
-        }
-        if (m <= aNbPB) {
-          BOPDS_IndexedMapOfPaveBlock aMPBCopy = *aIMPB[k];
-          aIMPB[k]->Clear();
-          for (m = 1; m <= aNbPB; ++m) {
-            const Handle(BOPDS_PaveBlock)& aPB = aMPBCopy(m);
-            if (!theEdges.Contains(aPB->Edge()))
-              aIMPB[k]->Add(aPB);
-          }
-        }
-      }
-    }
     // remove from Section pave blocks
     BOPDS_VectorOfCurve& aVNC = aFF.ChangeCurves();
     Standard_Integer aNbC = aVNC.Length();
@@ -3080,7 +3049,44 @@ void BOPAlgo_PaveFiller::RemovePaveBlocks(const TColStd_MapOfInteger theEdges)
       }
     }
   }
+
+  // 3. From Face Info
+  for (i = 0; i < myDS->NbSourceShapes(); ++i)
+  {
+    const BOPDS_ShapeInfo& aSI = myDS->ShapeInfo(i);
+    if (aSI.ShapeType() != TopAbs_FACE)
+      continue;
+    if (!aSI.HasReference())
+      continue;
+
+    BOPDS_FaceInfo& aFI = myDS->ChangeFaceInfo(i);
+    BOPDS_IndexedMapOfPaveBlock* aIMPB[] = { &aFI.ChangePaveBlocksIn(),
+                                             &aFI.ChangePaveBlocksOn(),
+                                             &aFI.ChangePaveBlocksSc() };
+    for (Standard_Integer k = 0; k < 3; k++)
+    {
+      Standard_Integer aNbPB = aIMPB[k]->Extent(), m;
+      for (m = 1; m <= aNbPB; ++m)
+      {
+        const Handle(BOPDS_PaveBlock)& aPB = aIMPB[k]->FindKey(m);
+        if (theEdges.Contains(aPB->Edge()))
+          break;
+      }
+      if (m <= aNbPB)
+      {
+        BOPDS_IndexedMapOfPaveBlock aMPBCopy = *aIMPB[k];
+        aIMPB[k]->Clear();
+        for (m = 1; m <= aNbPB; ++m)
+        {
+          const Handle(BOPDS_PaveBlock)& aPB = aMPBCopy(m);
+          if (!theEdges.Contains(aPB->Edge()))
+            aIMPB[k]->Add(aPB);
+        }
+      }
+    }
+  }
 }
+
 //=======================================================================
 //function : ToleranceFF
 //purpose  : Computes the TolFF according to the tolerance value and 
@@ -3507,3 +3513,49 @@ void BOPAlgo_PaveFiller::RemoveMicroSectionEdges
   if (aSEPBMap.Extent() != theMSCPB.Extent())
     theMSCPB = aSEPBMap;
 }
+
+//=======================================================================
+//function : RemoveMicroEdges
+//purpose  : 
+//=======================================================================
+void BOPAlgo_PaveFiller::RemoveMicroEdges()
+{
+  // Fence map
+  BOPDS_MapOfPaveBlock aMPBFence;
+  // Resulting map of micro edges
+  TColStd_MapOfInteger aMicroEdges;
+  // Check all pave blocks from the pool to find the micro edges
+  BOPDS_VectorOfListOfPaveBlock& aPBP = myDS->ChangePaveBlocksPool();
+  Standard_Integer aNbPBP = aPBP.Length();
+  for (Standard_Integer i = 0; i < aNbPBP; ++i)
+  {
+    BOPDS_ListOfPaveBlock& aLPB = aPBP(i);
+    if (aLPB.Extent() < 2)
+      // No splits
+      continue;
+
+    if (myDS->ShapeInfo(aLPB.First()->OriginalEdge()).HasFlag())
+      continue;
+
+    BOPDS_ListOfPaveBlock::Iterator it(aLPB);
+    for (; it.More(); it.Next())
+    {
+      const Handle(BOPDS_PaveBlock)& aPB = it.Value();
+      Handle(BOPDS_PaveBlock) aPBR = myDS->RealPaveBlock(aPB);
+
+      if (aMPBFence.Add(aPBR))
+      {
+        Standard_Integer nV1, nV2;
+        aPBR->Indices(nV1, nV2);
+        if (nV1 == nV2)
+        {
+          // Check if it has the valid range
+          FillShrunkData(aPBR);
+          if (!aPBR->HasShrunkData())
+            aMicroEdges.Add(aPBR->Edge());
+        }
+      }
+    }
+  }
+  RemovePaveBlocks(aMicroEdges);
+}

src/BOPAlgo/BOPAlgo_Splitter.cxx

@@ -17,6 +17,8 @@
 #include <BOPAlgo_PaveFiller.hxx>
 #include <BOPAlgo_Alerts.hxx>
 
+#include <TopoDS_Iterator.hxx>
+
 //=======================================================================
 //function : 
 //purpose  : 
@@ -98,3 +100,31 @@ void BOPAlgo_Splitter::Perform()
   myEntryPoint = 1;
   PerformInternal(*pPF);
 }
+
+//=======================================================================
+//function : BuildResult
+//purpose  : 
+//=======================================================================
+void BOPAlgo_Splitter::BuildResult(const TopAbs_ShapeEnum theType)
+{
+  BOPAlgo_Builder::BuildResult(theType);
+
+  if (theType == TopAbs_COMPOUND)
+  {
+    // The method is called for the last time for this operation.
+    // If there is only one argument shape and it has been modified into
+    // a single shape, or has not been modified at all, the result shape
+    // has to be overwritten to avoid the unnecessary enclosure into compound.
+    if (myArguments.Extent() == 1)
+    {
+      TopoDS_Iterator it(myShape);
+      if (it.More())
+      {
+        const TopoDS_Shape& aSFirst = it.Value();
+        it.Next();
+        if (!it.More())
+          myShape = aSFirst;
+      }
+    }
+  }
+}

src/BOPAlgo/BOPAlgo_Splitter.hxx

@@ -66,6 +66,12 @@ protected:
 
   //! Checks the input data
   Standard_EXPORT virtual void CheckData() Standard_OVERRIDE;
+
+  //! Adds images of the argument shapes into result.
+  //! When called the for the last time (for compound) it rebuilds the result
+  //! shape to avoid multiple enclosure into compounds.
+  Standard_EXPORT virtual void BuildResult(const TopAbs_ShapeEnum theType) Standard_OVERRIDE;
+
 };
 
 #endif // _BOPAlgo_Splitter_HeaderFile

src/BOPAlgo/BOPAlgo_Tools.cxx

@@ -1643,3 +1643,148 @@ void BOPAlgo_Tools::ClassifyFaces(const TopTools_ListOfShape& theFaces,
     theInParts.Add(aS, aLFIn);
   }
 }
+
+//=======================================================================
+//function : FillInternals
+//purpose  :
+//=======================================================================
+void BOPAlgo_Tools::FillInternals(const TopTools_ListOfShape& theSolids,
+                                  const TopTools_ListOfShape& theParts,
+                                  const TopTools_DataMapOfShapeListOfShape& theImages,
+                                  const Handle(IntTools_Context)& theContext)
+{
+  if (theSolids.IsEmpty() || theParts.IsEmpty())
+    return;
+
+  // Map the solids to avoid classification of the own shapes of the solids
+  TopTools_IndexedMapOfShape aMSSolids;
+  TopTools_ListOfShape::Iterator itLS(theSolids);
+  for (; itLS.More(); itLS.Next())
+  {
+    const TopoDS_Shape& aSolid = itLS.Value();
+    if (aSolid.ShapeType() == TopAbs_SOLID)
+    {
+      TopExp::MapShapes(aSolid, TopAbs_VERTEX, aMSSolids);
+      TopExp::MapShapes(aSolid, TopAbs_EDGE,   aMSSolids);
+      TopExp::MapShapes(aSolid, TopAbs_FACE,   aMSSolids);
+    }
+  }
+
+  // Extract BRep elements from the given parts and
+  // check them for possible splits
+  TopTools_ListOfShape aLPartsInput = theParts, aLParts;
+  TopTools_ListOfShape::Iterator itLP(aLPartsInput);
+  for (; itLP.More(); itLP.Next())
+  {
+    const TopoDS_Shape& aPart = itLP.Value();
+    switch (aPart.ShapeType())
+    {
+      case TopAbs_VERTEX:
+      case TopAbs_EDGE:
+      case TopAbs_FACE:
+      {
+        const TopTools_ListOfShape* pIm = theImages.Seek(aPart);
+        if (pIm)
+        {
+          TopTools_ListOfShape::Iterator itIm(*pIm);
+          for (; itIm.More(); itIm.Next())
+          {
+            const TopoDS_Shape& aPartIm = itIm.Value();
+            if (!aMSSolids.Contains(aPartIm))
+              aLParts.Append(aPartIm);
+          }
+        }
+        else if (!aMSSolids.Contains(aPart))
+          aLParts.Append(aPart);
+
+        break;
+      }
+      default:
+      {
+        for (TopoDS_Iterator it(aPart); it.More(); it.Next())
+          aLPartsInput.Append(it.Value());
+        break;
+      }
+    }
+  }
+
+  // Classify the given parts relatively solids.
+  // Add edges and vertices classified as IN into solids instantly,
+  // and collect faces classified as IN into a list for further shell creation
+
+  TopTools_DataMapOfShapeListOfShape anINFaces;
+  itLS.Initialize(theSolids);
+  for (; itLS.More(); itLS.Next())
+  {
+    const TopoDS_Shape& aSolid = itLS.Value();
+    if (aSolid.ShapeType() != TopAbs_SOLID)
+      continue;
+
+    TopoDS_Solid aSd = *(TopoDS_Solid*)&aSolid;
+
+    itLP.Initialize(aLParts);
+    for (; itLP.More();)
+    {
+      TopoDS_Shape aPart = itLP.Value();
+      TopAbs_State aState =
+        BOPTools_AlgoTools::ComputeStateByOnePoint(aPart, aSd, Precision::Confusion(), theContext);
+      if (aState == TopAbs_IN)
+      {
+        if (aPart.ShapeType() == TopAbs_FACE)
+        {
+          TopTools_ListOfShape *pFaces = anINFaces.ChangeSeek(aSd);
+          if (!pFaces)
+            pFaces = anINFaces.Bound(aSd, TopTools_ListOfShape());
+          pFaces->Append(aPart);
+        }
+        else
+        {
+          aPart.Orientation(TopAbs_INTERNAL);
+          BRep_Builder().Add(aSd, aPart);
+        }
+        aLParts.Remove(itLP);
+      }
+      else
+        itLP.Next();
+    }
+  }
+
+  // Make shells from faces and put them into solids
+  TopTools_DataMapOfShapeListOfShape::Iterator itM(anINFaces);
+  for (; itM.More(); itM.Next())
+  {
+    TopoDS_Solid aSd = *(TopoDS_Solid*)&itM.Key();
+    const TopTools_ListOfShape& aFaces = itM.Value();
+
+    TopoDS_Compound aCF;
+    BRep_Builder().MakeCompound(aCF);
+
+    TopTools_ListOfShape::Iterator itLF(aFaces);
+    for (; itLF.More(); itLF.Next())
+      BRep_Builder().Add(aCF, itLF.Value());
+
+    // Build blocks from the faces
+    TopTools_ListOfShape aLCB;
+    BOPTools_AlgoTools::MakeConnexityBlocks(aCF, TopAbs_EDGE, TopAbs_FACE, aLCB);
+
+    // Build shell from each block
+    TopTools_ListOfShape::Iterator itCB(aLCB);
+    for (; itCB.More(); itCB.Next())
+    {
+      const TopoDS_Shape& aCB = itCB.Value();
+
+      TopoDS_Shell aShell;
+      BRep_Builder().MakeShell(aShell);
+      // Add faces of the block to the shell
+      TopExp_Explorer expF(aCB, TopAbs_FACE);
+      for (; expF.More(); expF.Next())
+      {
+        TopoDS_Face aFInt = TopoDS::Face(expF.Current());
+        aFInt.Orientation(TopAbs_INTERNAL);
+        BRep_Builder().Add(aShell, aFInt);
+      }
+
+      BRep_Builder().Add(aSd, aShell);
+    }
+  }
+}

src/BOPAlgo/BOPAlgo_Tools.hxx

@@ -194,6 +194,18 @@ public:
                                             const TopTools_DataMapOfShapeBox& theShapeBoxMap = TopTools_DataMapOfShapeBox(),
                                             const TopTools_DataMapOfShapeListOfShape& theSolidsIF = TopTools_DataMapOfShapeListOfShape());
 
+  //! Classifies the given parts relatively the given solids and
+  //! fills the solids with the parts classified as INTERNAL.
+  //!
+  //! @param theSolids  - The solids to put internals to
+  //! @param theParts   - The parts to classify relatively solids
+  //! @param theImages  - Possible images of the parts that has to be classified
+  //! @param theContext - Cashed geometrical tools to speed-up classifications
+  Standard_EXPORT static void FillInternals(const TopTools_ListOfShape& theSolids,
+                                            const TopTools_ListOfShape& theParts,
+                                            const TopTools_DataMapOfShapeListOfShape& theImages,
+                                            const Handle(IntTools_Context)& theContext);
+
 };
 
 #endif // _BOPAlgo_Tools_HeaderFile

src/BOPAlgo/FILES

@@ -27,6 +27,10 @@ BOPAlgo_CheckResult.cxx
 BOPAlgo_CheckResult.hxx
 BOPAlgo_CheckStatus.hxx
 BOPAlgo_ListOfCheckResult.hxx
+BOPAlgo_MakeConnected.cxx
+BOPAlgo_MakeConnected.hxx
+BOPAlgo_MakePeriodic.cxx
+BOPAlgo_MakePeriodic.hxx
 BOPAlgo_MakerVolume.cxx
 BOPAlgo_MakerVolume.hxx
 BOPAlgo_MakerVolume.lxx

src/BOPTest/BOPTest.cxx

@@ -57,6 +57,8 @@ void  BOPTest::AllCommands(Draw_Interpretor& theCommands)
   BOPTest::CellsCommands     (theCommands);
   BOPTest::UtilityCommands   (theCommands);
   BOPTest::RemoveFeaturesCommands(theCommands);
+  BOPTest::PeriodicityCommands(theCommands);
+  BOPTest::MkConnectedCommands(theCommands);
 }
 //=======================================================================
 //function : Factory
@@ -90,6 +92,7 @@ void BOPTest::ReportAlerts(const Handle(Message_Report)& theReport)
 {
   // first report warnings, then errors
   Message_Gravity anAlertTypes[2] = { Message_Warning, Message_Fail };
+  TCollection_ExtendedString aMsgType[2] = { "Warning: ", "Error: " };
   for (int iGravity = 0; iGravity < 2; iGravity++)
   {
     // report shapes for the same type of alert together
@@ -104,7 +107,7 @@ void BOPTest::ReportAlerts(const Handle(Message_Report)& theReport)
 
       // get alert message
       Message_Msg aMsg (aIt.Value()->GetMessageKey());
-      TCollection_ExtendedString aText = aMsg.Get();
+      TCollection_ExtendedString aText = aMsgType[iGravity] + aMsg.Get();
 
       // collect all shapes if any attached to this alert
       if (BOPTest_Objects::DrawWarnShapes())

src/BOPTest/BOPTest.hxx

@@ -60,6 +60,10 @@ public:
 
   Standard_EXPORT static void RemoveFeaturesCommands (Draw_Interpretor& aDI);
 
+  Standard_EXPORT static void PeriodicityCommands (Draw_Interpretor& aDI);
+
+  Standard_EXPORT static void MkConnectedCommands (Draw_Interpretor& aDI);
+
   //! Prints errors and warnings if any and draws attached shapes 
   //! if flag BOPTest_Objects::DrawWarnShapes() is set
   Standard_EXPORT static void ReportAlerts (const Handle(Message_Report)& theReport);

src/BOPTest/BOPTest_MkConnectedCommands.cxx

@@ -0,0 +1,413 @@
+// Created on: 04/02/2018
+// Created by: Eugeny MALTCHIKOV
+// Copyright (c) 2018 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BOPTest.hxx>
+
+#include <BOPAlgo_MakeConnected.hxx>
+
+#include <BOPTest_DrawableShape.hxx>
+#include <BOPTest_Objects.hxx>
+
+#include <BRep_Builder.hxx>
+
+#include <BRepTest_Objects.hxx>
+
+#include <DBRep.hxx>
+#include <Draw.hxx>
+
+#include <Precision.hxx>
+
+#include <TopoDS.hxx>
+#include <TopoDS_Compound.hxx>
+
+static Standard_Integer MakeConnected(Draw_Interpretor&, Standard_Integer, const char**);
+static Standard_Integer MakePeriodic(Draw_Interpretor&, Standard_Integer, const char**);
+static Standard_Integer MaterialsOn(Draw_Interpretor&, Standard_Integer, const char**);
+static Standard_Integer RepeatShape(Draw_Interpretor&, Standard_Integer, const char**);
+static Standard_Integer GetTwins(Draw_Interpretor&, Standard_Integer, const char**);
+static Standard_Integer ClearRepetitions(Draw_Interpretor&, Standard_Integer, const char**);
+
+namespace
+{
+  static BOPAlgo_MakeConnected TheMakeConnectedTool;
+}
+
+//=======================================================================
+//function : MkConnectedCommands
+//purpose  : 
+//=======================================================================
+void BOPTest::MkConnectedCommands(Draw_Interpretor& theCommands)
+{
+  static Standard_Boolean done = Standard_False;
+  if (done) return;
+  done = Standard_True;
+  // Chapter's name
+  const char* group = "BOPTest commands";
+  // Commands
+  theCommands.Add("makeconnected", "makeconnected result shape1 shape2 ...\n"
+                  "\t\tMake the given shapes connected (glued).",
+                  __FILE__, MakeConnected, group);
+
+  theCommands.Add("cmakeperiodic", "cmakeperiodic result [-x/y/z period [-trim first]]\n"
+                  "\t\tMake the connected shape periodic in the required directions.\n"
+                  "\t\tresult        - resulting periodic shape;\n"
+                  "\t\t-x/y/z period - option to make the shape periodic in X, Y or Z\n "
+                  "\t\t                direction with the given period;\n"
+                  "\t\t-trim first   - option to trim the shape to fit the required period,\n"
+                  "\t\t                starting the period in first.",
+                  __FILE__, MakePeriodic, group);
+
+  theCommands.Add("cmaterialson", "cmaterialson result +/- shape\n"
+                  "\t\tReturns the original shapes located on the required side of a shape:\n"
+                  "\t\t'+' - on a positive side of a shape (containing the shape with orientation FORWARD)\n"
+                  "\t\t'-' - on a negative side of a shape (containing the shape with orientation REVERSED).",
+                  __FILE__, MaterialsOn, group);
+
+  theCommands.Add("crepeatshape", "crepeatshape result -x/y/z times\n"
+                  "\t\tRepeats the periodic connected shape in periodic directions required number of times.\n"
+                  "\t\tresult       - resulting shape;\n"
+                  "\t\t-x/y/z times - direction for repetition and number of repetitions.",
+                  __FILE__, RepeatShape, group);
+
+  theCommands.Add("cperiodictwins", "cperiodictwins twins shape\n"
+                  "\t\tReturns the twins for the shape located on the opposite side of the periodic shape.",
+                  __FILE__, GetTwins, group);
+
+    theCommands.Add("cclearrepetitions", "cclearrepetitions [result]\n"
+                  "\t\tClears all previous repetitions of the periodic shape.",
+                  __FILE__, ClearRepetitions, group);
+}
+
+//=======================================================================
+//function : MakeConnected
+//purpose  : 
+//=======================================================================
+Standard_Integer MakeConnected(Draw_Interpretor& theDI,
+                               Standard_Integer  theArgc,
+                               const char ** theArgv)
+{
+  if (theArgc < 3)
+  {
+    theDI.PrintHelp(theArgv[0]);
+    return 1;
+  }
+
+  TheMakeConnectedTool.Clear();
+
+  for (Standard_Integer i = 2; i < theArgc; ++i)
+  {
+    TopoDS_Shape aS = DBRep::Get(theArgv[i]);
+    if (aS.IsNull())
+    {
+      theDI << "Error: " << theArgv[i] << " is a null shape. Skip it.\n";
+      continue;
+    }
+    TheMakeConnectedTool.AddArgument(aS);
+  }
+
+  TheMakeConnectedTool.SetRunParallel(BOPTest_Objects::RunParallel());
+
+  TheMakeConnectedTool.Perform();
+
+  // Print Error/Warning messages
+  BOPTest::ReportAlerts(TheMakeConnectedTool.GetReport());
+
+  // Set the history of the operation in session
+  BRepTest_Objects::SetHistory(TheMakeConnectedTool.History());
+
+  if (TheMakeConnectedTool.HasErrors())
+    return 0;
+
+  // Draw the result shape
+  const TopoDS_Shape& aResult = TheMakeConnectedTool.Shape();
+  DBRep::Set(theArgv[1], aResult);
+
+  return 0;
+}
+
+//=======================================================================
+//function : MakePeriodic
+//purpose  : 
+//=======================================================================
+Standard_Integer MakePeriodic(Draw_Interpretor& theDI,
+                              Standard_Integer  theArgc,
+                              const char ** theArgv)
+{
+  if (theArgc < 4)
+  {
+    theDI.PrintHelp(theArgv[0]);
+    return 1;
+  }
+
+  if (TheMakeConnectedTool.Shape().IsNull() || TheMakeConnectedTool.HasErrors())
+  {
+    theDI << "Make the shapes connected first.\n";
+    return 1;
+  }
+
+  BOPAlgo_MakePeriodic::PeriodicityParams aParams;
+
+  for (Standard_Integer i = 2; i < theArgc;)
+  {
+    Standard_Integer aDirID = -1;
+    if (!strcasecmp(theArgv[i], "-x"))
+      aDirID = 0;
+    else if (!strcasecmp(theArgv[i], "-y"))
+      aDirID = 1;
+    else if (!strcasecmp(theArgv[i], "-z"))
+      aDirID = 2;
+    else
+    {
+      theDI << theArgv[i] << " - Invalid key\n";
+      return 1;
+    }
+
+    char cDirName[2];
+    sprintf(cDirName, "%c", theArgv[i][1]);
+
+    Standard_Real aPeriod = 0;
+    if (theArgc > i + 1)
+      aPeriod = Draw::Atof(theArgv[++i]);
+
+    if (aPeriod <= Precision::Confusion())
+    {
+      theDI << "Period for " << cDirName << " direction is not set\n";
+      return 1;
+    }
+
+    aParams.myPeriodic[aDirID] = Standard_True;
+    aParams.myPeriod[aDirID] = aPeriod;
+
+    ++i;
+    if (theArgc > i + 1)
+    {
+      // Check if trimming is necessary
+      if (!strcmp(theArgv[i], "-trim"))
+      {
+        if (theArgc == (i + 1))
+        {
+          theDI << "Trim bounds for " << cDirName << " direction are not set\n";
+          return 1;
+        }
+        Standard_Real aFirst = Draw::Atof(theArgv[++i]);
+
+        aParams.myIsTrimmed[aDirID] = Standard_False;
+        aParams.myPeriodFirst[aDirID] = aFirst;
+        ++i;
+      }
+    }
+  }
+
+  TheMakeConnectedTool.MakePeriodic(aParams);
+
+  // Print Error/Warning messages
+  BOPTest::ReportAlerts(TheMakeConnectedTool.GetReport());
+
+  // Set the history of the operation in session
+  BRepTest_Objects::SetHistory(TheMakeConnectedTool.History());
+
+  if (TheMakeConnectedTool.HasErrors())
+    return 0;
+
+  // Draw the result shape
+  const TopoDS_Shape& aResult = TheMakeConnectedTool.PeriodicShape();
+  DBRep::Set(theArgv[1], aResult);
+
+  return 0;
+}
+
+//=======================================================================
+//function : RepeatShape
+//purpose  : 
+//=======================================================================
+Standard_Integer RepeatShape(Draw_Interpretor& theDI,
+                             Standard_Integer  theArgc,
+                             const char ** theArgv)
+{
+  if (theArgc < 4)
+  {
+    theDI.PrintHelp(theArgv[0]);
+    return 1;
+  }
+
+  if (TheMakeConnectedTool.PeriodicityTool().HasErrors())
+  {
+    theDI << "The shapes have not been made periodic yet.\n";
+    return 1;
+  }
+
+  for (Standard_Integer i = 2; i < theArgc; ++i)
+  {
+    Standard_Integer aDirID = -1;
+    if (!strcasecmp(theArgv[i], "-x"))
+      aDirID = 0;
+    else if (!strcasecmp(theArgv[i], "-y"))
+      aDirID = 1;
+    else if (!strcasecmp(theArgv[i], "-z"))
+      aDirID = 2;
+    else
+    {
+      theDI << theArgv[i] << " - Invalid key\n";
+      return 1;
+    }
+
+    char cDirName[2];
+    sprintf(cDirName, "%c", theArgv[i][1]);
+
+    Standard_Integer aTimes = 0;
+    if (theArgc > i + 1)
+      aTimes = Draw::Atoi(theArgv[++i]);
+
+    if (aTimes == 0)
+    {
+      theDI << "Number of repetitions for " << cDirName << " direction is not set\n";
+      return 1;
+    }
+
+    TheMakeConnectedTool.RepeatShape(aDirID, aTimes);
+  }
+
+  // Print Error/Warning messages
+  BOPTest::ReportAlerts(TheMakeConnectedTool.GetReport());
+
+  // Set the history of the operation in session
+  BRepTest_Objects::SetHistory(TheMakeConnectedTool.History());
+
+  if (TheMakeConnectedTool.HasErrors())
+    return 0;
+
+  // Draw the result shape
+  const TopoDS_Shape& aResult = TheMakeConnectedTool.PeriodicShape();
+  DBRep::Set(theArgv[1], aResult);
+
+  return 0;
+}
+
+//=======================================================================
+//function : MaterialsOn
+//purpose  : 
+//=======================================================================
+Standard_Integer MaterialsOn(Draw_Interpretor& theDI,
+                             Standard_Integer  theArgc,
+                             const char ** theArgv)
+{
+  if (theArgc != 4)
+  {
+    theDI.PrintHelp(theArgv[0]);
+    return 1;
+  }
+
+  // Get the shape to get materials
+  TopoDS_Shape aShape = DBRep::Get(theArgv[3]);
+  if (aShape.IsNull())
+  {
+    theDI << "Error: " << theArgv[3] << " is a null shape.\n";
+    return 1;
+  }
+
+  // Get the sign of a shape
+  Standard_Boolean bPositive;
+
+  if (!strcmp("+", theArgv[2]))
+    bPositive = Standard_True;
+  else if (!strcmp("-", theArgv[2]))
+    bPositive = Standard_False;
+  else
+  {
+    theDI << theArgv[2] << " - invalid key.\n";
+    return 1;
+  }
+
+  const TopTools_ListOfShape& aLS = bPositive ?
+    TheMakeConnectedTool.MaterialsOnPositiveSide(aShape) :
+    TheMakeConnectedTool.MaterialsOnNegativeSide(aShape);
+
+  TopoDS_Shape aResult;
+  if (aLS.IsEmpty())
+    theDI << "No materials on this side.\n";
+  else if (aLS.Extent() == 1)
+    aResult = aLS.First();
+  else
+  {
+    BRep_Builder().MakeCompound(TopoDS::Compound(aResult));
+    for (TopTools_ListIteratorOfListOfShape it(aLS); it.More(); it.Next())
+      BRep_Builder().Add(aResult, it.Value());
+  }
+
+  DBRep::Set(theArgv[1], aResult);
+
+  return 0;
+}
+
+//=======================================================================
+//function : GetTwin
+//purpose  : 
+//=======================================================================
+Standard_Integer GetTwins(Draw_Interpretor& theDI,
+                          Standard_Integer  theArgc,
+                          const char ** theArgv)
+{
+  if (theArgc != 3)
+  {
+    theDI.PrintHelp(theArgv[0]);
+    return 1;
+  }
+
+  // Get the shape to find twins
+  TopoDS_Shape aShape = DBRep::Get(theArgv[2]);
+  if (aShape.IsNull())
+  {
+    theDI << "Error: " << theArgv[2] << " is a null shape.\n";
+    return 1;
+  }
+
+  const TopTools_ListOfShape& aTwins = TheMakeConnectedTool.PeriodicityTool().GetTwins(aShape);
+
+  TopoDS_Shape aCTwins;
+  if (aTwins.IsEmpty())
+    theDI << "No twins for the shape.\n";
+  else if (aTwins.Extent() == 1)
+    aCTwins = aTwins.First();
+  else
+  {
+    BRep_Builder().MakeCompound(TopoDS::Compound(aCTwins));
+    for (TopTools_ListIteratorOfListOfShape it(aTwins); it.More(); it.Next())
+      BRep_Builder().Add(aCTwins, it.Value());
+  }
+
+  DBRep::Set(theArgv[1], aCTwins);
+
+  return 0;
+}
+
+//=======================================================================
+//function : ClearRepetitions
+//purpose  : 
+//=======================================================================
+Standard_Integer ClearRepetitions(Draw_Interpretor&,
+                                  Standard_Integer theArgc,
+                                  const char **theArgv)
+{
+  // Clear all previous repetitions
+  TheMakeConnectedTool.ClearRepetitions();
+
+  // Set the history of the operation in session
+  BRepTest_Objects::SetHistory(TheMakeConnectedTool.History());
+
+  if (theArgc > 1)
+    DBRep::Set(theArgv[1], TheMakeConnectedTool.PeriodicShape());
+
+  return 0;
+}