From 340054e17a817290861e420ade86f39e8ae8c769 Mon Sep 17 00:00:00 2001
From: apv <apv@opencascade.com>
Date: Thu, 24 Aug 2017 12:44:03 +0300
Subject: [PATCH] Update of tests database

Test for 0027049: Make non-destructive mode be defined by default in Boolean operations
Test for 0027052: Test boolean gdml_private ZI5 failure
Test for 0027069: IGES parser does not recognize comments in Parameters section
Test for 0027090: Point is classified IN solid but actually it is OUT
Test for 0027170: Reading STEP files produces invalid shapes
Test for 0027186: IGES - reconsider creation of Undefined entity in case of failure
Test for 0027214: Duplicate of test cases
Test for 0027224: Incorrect result of boolean operation in boolean bcut_complex Q1 test case
Test for 0027227: Intersection curve is not continued to the surface boundary
Test for 0027246: ShapeFix_Shape destroys shape
Test for 0027251: Shape becomes invalid when exported to STEP and imported back
Test for 0027316: exception when XAddShape
Test for 0027378: BRepLib_MakeFace produces invalid faces on periodic surfaces in case the given parametrization does not match the default
Test for 0027390: Box and Ellipsoid shape boolean cut and common introduce invalid result.
Test for 0028119: Blend fails on fused identical but shifted tori
Test for 0028144: Step reader - regression in comparison of version OCCT654
Test for 0028151: Sewing faces results in a shell with very big tolerance
Test for 0027160: Weird results of the pipe algorithm
Test for 0027623: Cannot find intersection line between two trimmed planar surfaces
Test for 0027683: Inaccurate result by bopcut
Test for 0027687: Section between shells of hull and deck is not closed
Test for 0027711: Blend-on-blend corrupts the shape
Test for 0027784: Thickness fails on cylinder with draft
Test for 0027908: Exception during offset computation
Test for 0027909: Exception during offset computation
Test for 0027910: Sharing between edges was lost after offset operation
Test for 0027911: Exception during offset computation
Test for 0027912: Exception during offset computation
Test for 0027928: BOP common produces empty compound
Test for 0027948: Cut produces unexcpected shape
Test for 0027950: Result of intersection algorithm depends too much on surface trim bounds
Test for 0027701: Crash when export empty solid to STEP
Test for 0027722: STEP error for Ellipse revol shape
---
 tests/boolean/bopsection/D6             |  15 -
 tests/boolean/gdml_private/bug27052_ZI5 |  10 +
 tests/bugs/heal/bug27246                |  17 +
 tests/bugs/iges/bug27186                |  14 +
 tests/bugs/modalg_7/bug27049            |  49 ++
 tests/bugs/modalg_7/bug27090            |  81 +++
 tests/bugs/modalg_7/bug27160            |  33 ++
 tests/bugs/modalg_7/bug27224            |  29 ++
 tests/bugs/modalg_7/bug27227            |  68 +++
 tests/bugs/modalg_7/bug27378            |  55 ++
 tests/bugs/modalg_7/bug27390_1          |  34 ++
 tests/bugs/modalg_7/bug27390_2          |  34 ++
 tests/bugs/modalg_7/bug27623            |  21 +
 tests/bugs/modalg_7/bug27683            |  26 +
 tests/bugs/modalg_7/bug27687            |  27 +
 tests/bugs/modalg_7/bug27711            |  58 +++
 tests/bugs/modalg_7/bug27784            |  19 +
 tests/bugs/modalg_7/bug27908            |  18 +
 tests/bugs/modalg_7/bug27909            |  18 +
 tests/bugs/modalg_7/bug27910            |  18 +
 tests/bugs/modalg_7/bug27911            |  18 +
 tests/bugs/modalg_7/bug27912            |  18 +
 tests/bugs/modalg_7/bug27928            |  19 +
 tests/bugs/modalg_7/bug27948            |  28 ++
 tests/bugs/modalg_7/bug27950            |  59 +++
 tests/bugs/modalg_7/bug28119_1          |  20 +
 tests/bugs/modalg_7/bug28119_2          |  18 +
 tests/bugs/modalg_7/bug28119_3          |  18 +
 tests/bugs/modalg_7/bug28151            |  34 ++
 tests/bugs/step/bug27251                |  25 +
 tests/bugs/step/bug27316                | 638 ++++++++++++++++++++++++
 tests/bugs/step/bug28144                |  18 +
 tests/bugs/xde/bug27069                 |  25 +
 tests/bugs/xde/bug27170_1               |  17 +
 tests/bugs/xde/bug27170_2               |  19 +
 tests/bugs/xde/bug27170_3               |  19 +
 tests/bugs/xde/bug27170_4               |  19 +
 tests/bugs/xde/bug27170_5               |  19 +
 tests/bugs/xde/bug27170_6               |  19 +
 tests/bugs/xde/bug27701                 |  18 +
 tests/bugs/xde/bug27722                 |  47 ++
 41 files changed, 1744 insertions(+), 15 deletions(-)
 delete mode 100644 tests/boolean/bopsection/D6
 create mode 100644 tests/boolean/gdml_private/bug27052_ZI5
 create mode 100755 tests/bugs/heal/bug27246
 create mode 100644 tests/bugs/iges/bug27186
 create mode 100644 tests/bugs/modalg_7/bug27049
 create mode 100644 tests/bugs/modalg_7/bug27090
 create mode 100644 tests/bugs/modalg_7/bug27160
 create mode 100644 tests/bugs/modalg_7/bug27224
 create mode 100644 tests/bugs/modalg_7/bug27227
 create mode 100755 tests/bugs/modalg_7/bug27378
 create mode 100755 tests/bugs/modalg_7/bug27390_1
 create mode 100755 tests/bugs/modalg_7/bug27390_2
 create mode 100644 tests/bugs/modalg_7/bug27623
 create mode 100644 tests/bugs/modalg_7/bug27683
 create mode 100644 tests/bugs/modalg_7/bug27687
 create mode 100644 tests/bugs/modalg_7/bug27711
 create mode 100644 tests/bugs/modalg_7/bug27784
 create mode 100644 tests/bugs/modalg_7/bug27908
 create mode 100644 tests/bugs/modalg_7/bug27909
 create mode 100644 tests/bugs/modalg_7/bug27910
 create mode 100644 tests/bugs/modalg_7/bug27911
 create mode 100644 tests/bugs/modalg_7/bug27912
 create mode 100644 tests/bugs/modalg_7/bug27928
 create mode 100644 tests/bugs/modalg_7/bug27948
 create mode 100644 tests/bugs/modalg_7/bug27950
 create mode 100755 tests/bugs/modalg_7/bug28119_1
 create mode 100755 tests/bugs/modalg_7/bug28119_2
 create mode 100755 tests/bugs/modalg_7/bug28119_3
 create mode 100644 tests/bugs/modalg_7/bug28151
 create mode 100755 tests/bugs/step/bug27251
 create mode 100644 tests/bugs/step/bug27316
 create mode 100644 tests/bugs/step/bug28144
 create mode 100644 tests/bugs/xde/bug27069
 create mode 100644 tests/bugs/xde/bug27170_1
 create mode 100644 tests/bugs/xde/bug27170_2
 create mode 100644 tests/bugs/xde/bug27170_3
 create mode 100644 tests/bugs/xde/bug27170_4
 create mode 100644 tests/bugs/xde/bug27170_5
 create mode 100644 tests/bugs/xde/bug27170_6
 create mode 100644 tests/bugs/xde/bug27701
 create mode 100644 tests/bugs/xde/bug27722

diff --git a/tests/boolean/bopsection/D6 b/tests/boolean/bopsection/D6
deleted file mode 100644
index 44dedd36eb..0000000000
--- a/tests/boolean/bopsection/D6
+++ /dev/null
@@ -1,15 +0,0 @@
-puts "CTS22135"
-puts "Generation of micro-edges during cut. "
-puts ""
-#axo
-restore [locate_data_file cts21135a.brep] o
-restore [locate_data_file cts21135b.brep] t
-
-bop o t
-
-#pkv f
-bopsection result
-
-checkprops result -l 144.712
-checksection result
-checkview -display result -2d -otherwise { o t } -l -path ${imagedir}/${test_image}.png
diff --git a/tests/boolean/gdml_private/bug27052_ZI5 b/tests/boolean/gdml_private/bug27052_ZI5
new file mode 100644
index 0000000000..0a13d0904e
--- /dev/null
+++ b/tests/boolean/gdml_private/bug27052_ZI5
@@ -0,0 +1,10 @@
+puts "TODO ?OCC27052 All: Faulty shapes in variables faulty_1 to"
+
+source [locate_data_file equipement_chambre.asm.1.gdml.tcl]
+
+set So_N [llength [explode result So]]
+
+smallview
+for {set i 1} {$i<=$So_N} {incr i} {
+   checkview -display result_${i} -2d -path ${imagedir}/${test_image}_${i}.png
+}
diff --git a/tests/bugs/heal/bug27246 b/tests/bugs/heal/bug27246
new file mode 100755
index 0000000000..15864ff11b
--- /dev/null
+++ b/tests/bugs/heal/bug27246
@@ -0,0 +1,17 @@
+puts "TODO OCC27246 ALL: Faulty shapes in variables faulty_1 to"
+
+puts "============"
+puts "OCC27246"
+puts "============"
+puts ""
+################################
+## ShapeFix_Shape destroys shape
+################################
+
+restore [locate_data_file bug27246_tmp.brep] tmp
+checkshape tmp
+
+fixshape result tmp
+checkshape result
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png
diff --git a/tests/bugs/iges/bug27186 b/tests/bugs/iges/bug27186
new file mode 100644
index 0000000000..27a4531b00
--- /dev/null
+++ b/tests/bugs/iges/bug27186
@@ -0,0 +1,14 @@
+puts "TODO OCC27186 ALL: Directory Entry Error Status" 
+
+puts "========"
+puts "OCC27186"
+puts "========"
+puts ""
+####################################################################
+# IGES - reconsider creation of Undefined entity in case of failure
+####################################################################
+
+set filename 919-004-T03-04-CP-VL.igs
+igesbrep [locate_data_file ${filename}] a *
+
+entity 16233
diff --git a/tests/bugs/modalg_7/bug27049 b/tests/bugs/modalg_7/bug27049
new file mode 100644
index 0000000000..e5ea7d0077
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27049
@@ -0,0 +1,49 @@
+puts "TODO OCC27049 ALL: Error : result is WRONG because number of .* entities in shape"
+puts "TODO OCC27049 ALL: Error: MaxTolerance"
+
+puts "============"
+puts "OCC27049"
+puts "============"
+puts ""
+#######################################################################
+# Make non-destructive mode be defined by default in Boolean operations
+#######################################################################
+
+restore [locate_data_file bug26619_shell_ft81_h0.brep] h0
+restore [locate_data_file bug26619_the_face.brep] f0
+
+regexp {Tolerance +MAX=([-0-9.+eE]+)} [tolerance h0] full MaxTolerance1
+
+tolerance f0
+
+#turn on non-destructive mode of BOP
+#setflags h0 locked
+#setflags f0 locked
+#bnondestructive 1
+
+bop h0 f0
+bopsection result
+checkprops result -l 142.264
+
+set nbshapes_expected "
+Number of shapes in shape
+ VERTEX    : 46
+ EDGE      : 46
+ WIRE      : 0
+ FACE      : 0
+ SHELL     : 0
+ SOLID     : 0
+ COMPSOLID : 0
+ COMPOUND  : 1
+ SHAPE     : 93
+"
+checknbshapes result -ref ${nbshapes_expected} -t -m "result"
+
+regexp {Tolerance +MAX=([-0-9.+eE]+)} [tolerance h0] full MaxTolerance2
+
+set expected_MaxTolerance ${MaxTolerance1}
+set tol_abs_MaxTolerance 0.0001
+set tol_rel_MaxTolerance 0.0001
+checkreal "MaxTolerance" ${MaxTolerance2} ${expected_MaxTolerance} ${tol_abs_MaxTolerance} ${tol_rel_MaxTolerance}
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png
diff --git a/tests/bugs/modalg_7/bug27090 b/tests/bugs/modalg_7/bug27090
new file mode 100644
index 0000000000..9ce4e8f3d8
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27090
@@ -0,0 +1,81 @@
+puts "========"
+puts "OCC27090"
+puts "========"
+puts ""
+#######################################################
+# Point is classified IN solid but actually it is OUT
+#######################################################
+
+smallview
+
+# planar face 
+plane pln_f1 0 -875 -1.4432899320127035e-014 0 1 1.1102230246251565e-016
+erase pln_f1
+mkface f1 pln_f1 -1000000 1000000 -1000000 1000000
+
+# planar face 
+plane pln_f2 1084.71007164 -980 -2128.6796868400002 1.110223024625157e-016 -1 1.1102230246251563e-016
+erase pln_f2
+mkface f2 pln_f2 -1000000 1000000 -1000000 1000000
+
+# planar face 
+plane pln_f3 -308.43155740558768 -800 -2407.1041518310276 0.80901699437494767 9.2444637330587307e-033 -0.5877852522924728
+erase pln_f3
+mkface f3 pln_f3 -1000000 1000000 -1000000 1000000
+
+# planar face 
+plane pln_f4 -381.4805392043022 -800 -2409.117597419774 -0.15639998811787861 -1.5422229525403152e-032 -0.98769380058635958
+erase pln_f4
+mkface f4 pln_f4 -1000000 1000000 -1000000 1000000
+
+# cylindrical face 
+cylinder cyl_f5 0 0 -1.0103029524088925e-013 0 1 1.1102230246251565e-016 2440
+erase cyl_f5
+mkface f5 cyl_f5 0 6.2831853071795862 -1000000 1000000
+
+# planar face 
+plane pln_f6 -309.45754782652125 -800 -2369.8806246344966 0.98769380058635958 -4.4408920985006262e-016 -0.15639998811787881
+erase pln_f6
+mkface f6 pln_f6 -1000000 1000000 -1000000 1000000
+
+# planar face 
+plane pln_f7 -330.11602392243287 -800 -2299.7847255135234 -0.58778525229247269 -1.6653345369377348e-016 -0.80901699437494767
+erase pln_f7
+mkface f7 pln_f7 -1000000 1000000 -1000000 1000000
+
+# cylindrical face 
+cylinder cyl_f8 0 0 -2.0206059048177849e-013 0 -1 1.1102230246251565e-016 2340
+erase cyl_f8
+mkface f8 cyl_f8 0 6.2831853071795862 -1000000 1000000
+
+# make volume operation 
+mkvolume v f1 f2 f3 f4 f5 f6 f7 f8
+
+donly v
+
+explode v
+
+if {[llength [explode v_6]] > 1} {
+   # We expect that v_6 is invalid solid containing 2 shells,
+   # and use the first shell to create a new valid solid.
+
+   shape solid so
+   add v_6_1 solid
+   point p -131.81074615766306 -874.99999999999977 -2443.8619433375443
+
+   donly solid p
+
+   set output [bclassify solid p]
+
+   regexp {The point is ([^ ]*)} $output dummy state
+   if {$state != "OUT"} {
+     puts "Error: point is classified as $state, but must be OUT"
+   } else {
+     puts "Info: point is classified OUT, it is OK"
+   }
+} else {
+  puts "Info: test is not actual for the current version"
+}
+
+fit
+checkview -screenshot -2d -path ${imagedir}/${test_image}.png
diff --git a/tests/bugs/modalg_7/bug27160 b/tests/bugs/modalg_7/bug27160
new file mode 100644
index 0000000000..8b6f19a65c
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27160
@@ -0,0 +1,33 @@
+puts "TODO OCC27160 ALL: Error: Weird results of the pipe algorithm"
+
+puts "========"
+puts "OCC27160"
+puts "========"
+puts ""
+#####################################
+# Weird results of the pipe algorithm
+#####################################
+
+cpulimit 3000
+
+smallview
+
+restore [locate_data_file bug27160_path.rle] p
+fit
+checkview -screenshot -2d -path ${imagedir}/${test_image}-path.png
+
+tuyau r p 0.2
+fit
+checkview -screenshot -2d -path ${imagedir}/${test_image}-fit.png
+
+clear r
+
+mkface f r
+fit
+
+checkview -screenshot -2d -path ${imagedir}/${test_image}-f.png
+
+set Log [bopcheck f]
+if {[regexp "This shape seems to be OK" ${Log}] != 1} {
+    puts "Error: Weird results of the pipe algorithm"
+}
diff --git a/tests/bugs/modalg_7/bug27224 b/tests/bugs/modalg_7/bug27224
new file mode 100644
index 0000000000..3fdd7660f0
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27224
@@ -0,0 +1,29 @@
+puts "========"
+puts "OCC27224"
+puts "========"
+puts ""
+############################################################################
+# Incorrect result of boolean operation in boolean bcut_complex Q1 test case
+############################################################################
+
+restore [locate_data_file buc60290a.rle] sol1
+restore [locate_data_file buc60290b.rle] sol2
+
+explode sol1 f
+explode sol2 f
+
+bsection result sol2_1 sol1_1
+
+regexp {nb alone Vertices : ([-0-9.+eE]+)} [checksection result] full nbv
+
+if { $nbv != 0 } { 
+  puts "Error : Incorrect result of boolean operation" 
+} else {
+  puts "OK : Correct result of boolean operation" 
+}
+
+smallview
+donly result
+fit
+
+checkview -screenshot -2d -path ${imagedir}/${test_image}.png
diff --git a/tests/bugs/modalg_7/bug27227 b/tests/bugs/modalg_7/bug27227
new file mode 100644
index 0000000000..9cfe04cdc1
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27227
@@ -0,0 +1,68 @@
+puts "============"
+puts "OCC27227"
+puts "============"
+puts ""
+#############################################################
+# Intersection curve is not continued to the surface boundary
+#############################################################
+
+ptorus a0 100 20
+tcopy a0 a1
+trotate a1 0 0 0 1 0 0 90
+
+explode a0 f
+explode a1 f
+
+smallview
+donly a0_1 a1_1
+
+bopcurves a0_1 a1_1 -2d
+
+disp c_5
+
+set log [dump c_5]
+
+regexp {Degree +([-0-9.+eE]+), +([-0-9.+eE]+) Poles, +([-0-9.+eE]+)} ${log} full Degree Poles KnotsPoles
+puts "Degree=${Degree}"
+puts "Poles=${Poles}"
+puts "KnotsPoles=${KnotsPoles}"
+puts ""
+
+set Pole 1
+set exp_string " +${Pole} : +(\[-0-9.+eE\]+), +(\[-0-9.+eE\]+), +(\[-0-9.+eE\]+)"
+regexp ${exp_string} ${log} full X_first Y_first Z_first
+
+puts "Pole=${Pole}"
+puts "X_first=${X_first}"
+puts "Y_first=${Y_first}"
+puts "Z_first=${Z_first}"
+puts ""
+
+set Pole ${Poles}
+set exp_string " +${Pole} : +(\[-0-9.+eE\]+), +(\[-0-9.+eE\]+), +(\[-0-9.+eE\]+)"
+regexp ${exp_string} ${log} full X_end Y_end Z_end
+
+puts "Pole=${Pole}"
+puts "X_end=${X_end}"
+puts "Y_end=${Y_end}"
+puts "Z_end=${Z_end}"
+puts ""
+
+set tol_abs [checkmaxtol a0]
+set tol_rel 0.01
+
+set expected_X_first 80.
+checkreal "X_first" ${X_first} ${expected_X_first} ${tol_abs} ${tol_rel}
+set expected_Y_first 0.
+checkreal "Y_first" ${Y_first} ${expected_Y_first} ${tol_abs} ${tol_rel}
+set expected_Z_first 0.
+checkreal "Z_first" ${Z_first} ${expected_Z_first} ${tol_abs} ${tol_rel}
+puts ""
+
+set expected_X_end 120.
+checkreal "X_end" ${X_end} ${expected_X_end} ${tol_abs} ${tol_rel}
+set expected_Y_end 0.
+checkreal "Y_end" ${Y_end} ${expected_Y_end} ${tol_abs} ${tol_rel}
+set expected_Z_end 0.
+checkreal "Z_end" ${Z_end} ${expected_Z_end} ${tol_abs} ${tol_rel}
+puts ""
diff --git a/tests/bugs/modalg_7/bug27378 b/tests/bugs/modalg_7/bug27378
new file mode 100755
index 0000000000..492c8d61b7
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27378
@@ -0,0 +1,55 @@
+puts "TODO OCC27378 ALL: Error: BRepLib_MakeFace produces invalid faces on periodic surfaces"
+
+puts "========"
+puts "OCC27378"
+puts "========"
+puts ""
+############################################################################################################################
+# BRepLib_MakeFace produces invalid faces on periodic surfaces in case the given parametrization does not match the default
+############################################################################################################################
+
+cylinder cyl 10
+mkface fcyl cyl pi 3*pi -10 10
+checkshape fcyl
+set Log [bopcheck fcyl]
+if {[regexp "This shape seems to be OK" ${Log}] != 1} {
+    puts "Error: BRepLib_MakeFace produces invalid faces on periodic surfaces; fcyl"
+}
+checkview -display fcyl -2d -path ${imagedir}/${test_image}_fcyl.png
+ 
+sphere sph 10
+trimu spht sph pi 3*pi
+mkface fsph spht
+checkshape fsph
+set Log [bopcheck fsph]
+if {[regexp "This shape seems to be OK" ${Log}] != 1} {
+    puts "Error: BRepLib_MakeFace produces invalid faces on periodic surfaces; fsph"
+}
+checkview -display fsph -2d -path ${imagedir}/${test_image}_fsph.png
+ 
+cone con 30 0
+mkface fcon con pi 3*pi 0 20
+checkshape fcon
+set Log [bopcheck fcon]
+if {[regexp "This shape seems to be OK" ${Log}] != 1} {
+    puts "Error: BRepLib_MakeFace produces invalid faces on periodic surfaces; fcon"
+}
+checkview -display fcon -2d -path ${imagedir}/${test_image}_fcon.png
+ 
+torus tor 20 5
+
+mkface ftor1 tor pi 3*pi 0 2*pi
+checkshape ftor1
+set Log [bopcheck ftor1]
+if {[regexp "This shape seems to be OK" ${Log}] != 1} {
+    puts "Error: BRepLib_MakeFace produces invalid faces on periodic surfaces; ftor1"
+}
+checkview -display ftor1 -2d -path ${imagedir}/${test_image}_ftor1.png
+
+mkface ftor2 tor 0 2*pi pi 3*pi
+checkshape ftor2
+set Log [bopcheck ftor2]
+if {[regexp "This shape seems to be OK" ${Log}] != 1} {
+    puts "Error: BRepLib_MakeFace produces invalid faces on periodic surfaces; ftor2"
+}
+checkview -display ftor2 -2d -path ${imagedir}/${test_image}_ftor2.png
diff --git a/tests/bugs/modalg_7/bug27390_1 b/tests/bugs/modalg_7/bug27390_1
new file mode 100755
index 0000000000..7839fb43e8
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27390_1
@@ -0,0 +1,34 @@
+puts "========"
+puts "OCC27390"
+puts "========"
+puts ""
+###########################################################################
+#  Box and Ellipsoid shape boolean cut and common introduce invalid result.
+###########################################################################
+
+restore [locate_data_file bug27390_Box_Ellipsoid.brep] c
+
+explode c
+
+bcommon result c_1 c_2
+
+checkshape result
+
+checkprops result -s 8206.54
+
+set nbshapes_expected "
+Number of shapes in shape
+ VERTEX    : 5
+ EDGE      : 9
+ WIRE      : 4
+ FACE      : 4
+ SHELL     : 1
+ SOLID     : 1
+ COMPSOLID : 0
+ COMPOUND  : 1
+ SHAPE     : 25
+"
+checknbshapes result -ref ${nbshapes_expected} -t -m "Boolean operations common"
+
+checkview -display result -3d -path ${imagedir}/${test_image}-3d.png
+checkview -display result -2d -path ${imagedir}/${test_image}-2d.png
diff --git a/tests/bugs/modalg_7/bug27390_2 b/tests/bugs/modalg_7/bug27390_2
new file mode 100755
index 0000000000..3338c17756
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27390_2
@@ -0,0 +1,34 @@
+puts "========"
+puts "OCC27390"
+puts "========"
+puts ""
+###########################################################################
+#  Box and Ellipsoid shape boolean cut and common introduce invalid result.
+###########################################################################
+
+restore [locate_data_file bug27390_Box_Ellipsoid.brep] c
+
+explode c
+
+bcut result c_1 c_2
+
+checkshape result
+
+checkprops result -s 34566
+
+set nbshapes_expected "
+Number of shapes in shape
+ VERTEX    : 13
+ EDGE      : 21
+ WIRE      : 8
+ FACE      : 8
+ SHELL     : 1
+ SOLID     : 1
+ COMPSOLID : 0
+ COMPOUND  : 1
+ SHAPE     : 53
+"
+checknbshapes result -ref ${nbshapes_expected} -t -m "Boolean operations cut"
+
+checkview -display result -3d -path ${imagedir}/${test_image}-3d.png
+checkview -display result -2d -path ${imagedir}/${test_image}-2d.png
diff --git a/tests/bugs/modalg_7/bug27623 b/tests/bugs/modalg_7/bug27623
new file mode 100644
index 0000000000..8c9895daf9
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27623
@@ -0,0 +1,21 @@
+puts "TODO OCC27623 ALL: ERROR: OCC27623 is reproduced."
+
+puts "========"
+puts "OCC27623"
+puts "========"
+puts ""
+#####################################################################
+# Cannot find intersection line between two trimmed planar surfaces
+#####################################################################
+
+plane s1 0 0 0 0 0 1 1 0 0
+trim s1 s1 -10 10 -10 10
+plane s2 0 0 10 1 0 0 0 0 1
+trim s2 s2 -10+1.0e-5 10 -10+1.0e-5 10
+
+intersect ii s1 s2 4.0e-4
+
+set bug_info [string trim [whatis ii]]
+if {[string length $bug_info] == 7} {
+  puts "ERROR: OCC27623 is reproduced. Intersection of trimmed planar surface has not been detected."
+}
diff --git a/tests/bugs/modalg_7/bug27683 b/tests/bugs/modalg_7/bug27683
new file mode 100644
index 0000000000..08e09ff4db
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27683
@@ -0,0 +1,26 @@
+puts "TODO OCC27683 ALL: ERROR: OCC27683 is reproduced."
+
+puts "========"
+puts "OCC27683"
+puts "========"
+puts ""
+###############################
+# Inaccurate result by bopcut
+###############################
+
+restore [locate_data_file bug27683_shell.brep] s
+restore [locate_data_file bug27683_solidreverse.brep] b
+
+bop s b
+bopcut result
+
+set bug_info [string trim [bopcheck result]]
+if {$bug_info != "This shape seems to be OK."} {
+  puts "ERROR: OCC27683 is reproduced. Result of bopcut operation is WRONG."
+}
+
+vinit
+vdisplay result
+vfit
+
+checkview -screenshot -3d -path ${imagedir}/${test_image}.png
diff --git a/tests/bugs/modalg_7/bug27687 b/tests/bugs/modalg_7/bug27687
new file mode 100644
index 0000000000..689aaf7c6c
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27687
@@ -0,0 +1,27 @@
+puts "TODO OCC27687 ALL: ERROR: OCC27687 is reproduced."
+
+puts "========"
+puts "OCC27687"
+puts "========"
+puts ""
+#########################################################
+# Section between shells of hull and deck is not closed
+#########################################################
+
+restore [locate_data_file bug27746_first.brep] f
+restore [locate_data_file bug27746_second.brep] s
+
+bsection result f s
+
+smallview
+clear
+display result
+fit
+
+set bug_info [string trim [checksection result]]
+set bug_info [string trim [string range $bug_info [expr {[string last ":" $bug_info] + 1}] [expr {[string length $bug_info] - 1}]]]
+if {$bug_info != 0} {
+  puts "ERROR: OCC27687 is reproduced. Section is not closed: Number of alone Vertices: ${bug_info}."
+}
+
+checkview -screenshot -2d -path ${imagedir}/${test_image}.png
diff --git a/tests/bugs/modalg_7/bug27711 b/tests/bugs/modalg_7/bug27711
new file mode 100644
index 0000000000..8105c11ba3
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27711
@@ -0,0 +1,58 @@
+puts "TODO OCC27711 ALL: Faulty shapes in variables faulty_1 to faulty_"
+puts "TODO OCC27711 ALL: ERROR: OCC27711 is reproduced."
+
+puts "========"
+puts "OCC27711"
+puts "========"
+puts ""
+#####################################
+# Blend-on-blend corrupts the shape
+#####################################
+
+smallview
+
+box a -1.5 -1.5 0 3 3 3
+box b -3 -3 -3 6 6 3
+bfuse result a b
+set bug_info [string trim [checkshape result]]
+if {$bug_info != "This shape seems to be valid"} {
+  puts "ERROR: Problem of test case functionality. Should be additionally investigated."
+}
+clear
+display result
+fit
+xwd $imagedir/${casename}_step_0.png
+
+explode result e
+blend result result 0.5 result_12 0.5 result_11
+set bug_info [string trim [checkshape result]]
+if {$bug_info != "This shape seems to be valid"} {
+  puts "ERROR: Problem of test case functionality. Should be additionally investigated."
+}
+clear
+display result
+xwd $imagedir/${casename}_step_1.png
+
+explode result e
+# The correct command format should be following:
+# blend res res 0.5 res_7 0.5 res_11
+# but it does not work properly on win64 vc 10
+# so for automated test case following command format was used:
+blend result result 0.5 result_11
+set bug_info [string trim [checkshape result]]
+if {$bug_info != "This shape seems to be valid"} {
+  puts "ERROR: Problem of test case functionality. Should be additionally investigated."
+}
+clear
+display result
+xwd $imagedir/${casename}_step_2.png
+
+explode result e
+blend result result 0.35 result_4 0.25 ressult_15 0.2 result_27
+set bug_info [string trim [checkshape result]]
+if {$bug_info != "This shape seems to be valid"} {
+  puts "ERROR: OCC27711 is reproduced. Result of blend operation is WRONG."
+}
+clear
+display result
+xwd $imagedir/${casename}_step_3.png
diff --git a/tests/bugs/modalg_7/bug27784 b/tests/bugs/modalg_7/bug27784
new file mode 100644
index 0000000000..d89e1f38c3
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27784
@@ -0,0 +1,19 @@
+puts "TODO OCC27784 ALL: An exception was caught"
+puts "TODO OCC27784 ALL: \\*\\* Exception \\*\\*.*"
+puts "TODO OCC27784 ALL: TEST INCOMPLETE"
+
+puts "========"
+puts "OCC27784"
+puts "========"
+puts ""
+##########################################
+# Thickness fails on cylinder with draft
+##########################################
+
+pcylinder cyl 50 30
+explode cyl f
+
+depouille draft cyl 0 0 -1 cyl_1 20 0 0 0 0 0 1
+explode draft f
+
+offsetcompshape d_thick draft -5 draft_2
diff --git a/tests/bugs/modalg_7/bug27908 b/tests/bugs/modalg_7/bug27908
new file mode 100644
index 0000000000..f3c760c3d0
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27908
@@ -0,0 +1,18 @@
+puts "TODO OCC27908 ALL: An exception was caught"
+puts "TODO OCC27908 ALL: \\*\\* Exception \\*\\*.*"
+puts "TODO OCC27908 ALL: TEST INCOMPLETE"
+
+puts "========"
+puts "OCC27908"
+puts "========"
+puts ""
+#######################################
+# Exception during offset computation
+#######################################
+
+restore [locate_data_file bug27908.brep] s
+
+offsetparameter 1e-7 p i
+offsetload s 10
+
+offsetperform result
diff --git a/tests/bugs/modalg_7/bug27909 b/tests/bugs/modalg_7/bug27909
new file mode 100644
index 0000000000..f676829d3f
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27909
@@ -0,0 +1,18 @@
+puts "TODO OCC27908 ALL: An exception was caught"
+puts "TODO OCC27908 ALL: \\*\\* Exception \\*\\*.*"
+puts "TODO OCC27908 ALL: TEST INCOMPLETE"
+
+puts "========"
+puts "OCC27909"
+puts "========"
+puts ""
+#######################################
+# Exception during offset computation
+#######################################
+
+restore [locate_data_file bug27909.brep] s
+
+offsetparameter 1e-7 p i
+offsetload s 10
+
+offsetperform result
diff --git a/tests/bugs/modalg_7/bug27910 b/tests/bugs/modalg_7/bug27910
new file mode 100644
index 0000000000..3e5201fad6
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27910
@@ -0,0 +1,18 @@
+puts "TODO OCC27910 ALL: Faulty shapes in variables faulty_1 to faulty_"
+
+puts "========"
+puts "OCC27910"
+puts "========"
+puts ""
+#######################################
+# Exception during offset computation
+#######################################
+
+restore [locate_data_file bug27910.brep] s
+
+offsetparameter 1e-7 p i
+offsetload s 10
+offsetperform result
+
+checkshape result
+
diff --git a/tests/bugs/modalg_7/bug27911 b/tests/bugs/modalg_7/bug27911
new file mode 100644
index 0000000000..1eb00c4564
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27911
@@ -0,0 +1,18 @@
+puts "TODO OCC27911 ALL: An exception was caught"
+puts "TODO OCC27911 ALL: \\*\\* Exception \\*\\*.*"
+puts "TODO OCC27911 ALL: TEST INCOMPLETE"
+
+puts "========"
+puts "OCC27911"
+puts "========"
+puts ""
+#######################################
+# Exception during offset computation
+#######################################
+
+restore [locate_data_file bug27911.brep] s
+
+offsetparameter 1e-7 p i
+offsetload s 10
+
+offsetperform result
diff --git a/tests/bugs/modalg_7/bug27912 b/tests/bugs/modalg_7/bug27912
new file mode 100644
index 0000000000..d8267294fa
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27912
@@ -0,0 +1,18 @@
+puts "TODO OCC27912 ALL: An exception was caught"
+puts "TODO OCC27912 ALL: \\*\\* Exception \\*\\*.*"
+puts "TODO OCC27912 ALL: TEST INCOMPLETE"
+
+puts "========"
+puts "OCC27912"
+puts "========"
+puts ""
+#######################################
+# Exception during offset computation
+#######################################
+
+restore [locate_data_file bug27912.brep] s
+
+offsetparameter 1e-7 p i
+offsetload s 10
+
+offsetperform result
diff --git a/tests/bugs/modalg_7/bug27928 b/tests/bugs/modalg_7/bug27928
new file mode 100644
index 0000000000..5399984849
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27928
@@ -0,0 +1,19 @@
+puts "TODO OCC27928 ALL: ERROR: OCC27928 is reproduced."
+
+puts "========"
+puts "OCC27928"
+puts "========"
+puts ""
+######################################
+# BOP common produces empty compound
+######################################
+
+restore [locate_data_file bug27928_b1.brep] b1
+restore [locate_data_file bug27928_b2.brep] b2
+
+bcommon result b1 b2
+
+set bug_info [string trim [explode r]]
+if {$bug_info == ""} {
+  puts "ERROR: OCC27928 is reproduced. Result of bcommon is empty."
+}
diff --git a/tests/bugs/modalg_7/bug27948 b/tests/bugs/modalg_7/bug27948
new file mode 100644
index 0000000000..9f5ebd5ecf
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27948
@@ -0,0 +1,28 @@
+puts "TODO OCC27948 ALL: ERROR: OCC27948 is reproduced."
+
+puts "========"
+puts "OCC27948"
+puts "========"
+puts ""
+##################################
+# Cut produces unexcpected shape
+##################################
+
+restore [locate_data_file bug27948_a.brep] a
+restore [locate_data_file bug27948_b.brep] b
+
+bcut res a b
+explode res F
+
+vinit
+vdisplay res
+vfit
+vdisplay res_16
+vsetdispmode res_16 1
+
+set bug_info [string trim [vreadpixel 340 280 name]]
+if {$bug_info == "DARKGOLDENROD3 1"} {
+  puts "ERROR: OCC27948 is reproduced."
+}
+
+checkview -screenshot -3d -path ${imagedir}/${test_image}.png
diff --git a/tests/bugs/modalg_7/bug27950 b/tests/bugs/modalg_7/bug27950
new file mode 100644
index 0000000000..5c08e6c018
--- /dev/null
+++ b/tests/bugs/modalg_7/bug27950
@@ -0,0 +1,59 @@
+puts "TODO OCC27950 ALL: ERROR: OCC27950 is reproduced."
+
+puts "========"
+puts "OCC27950"
+puts "========"
+puts ""
+############################################################################
+# Result of intersection algorithm depends too much on surface trim bounds
+############################################################################
+
+restore [locate_data_file bug27950_s1.draw] s1
+restore [locate_data_file bug27950_s2.draw] s2
+
+set bug_info [string trim [intersect i1 s1 s2]]
+if {[llength $bug_info] != 4} {
+  puts "ERROR: OCC27950 is reproduced. Step #1. Result of intersection is [llength $bug_info]."
+}
+
+trimv s2t s2 200 300
+set bug_info [string trim [intersect i2 s1 s2t]]
+if {[llength $bug_info] != 4} {
+  puts "ERROR: OCC27950 is reproduced. Step #2. Result of intersection is [llength $bug_info]."
+}
+
+trimv s2t s2 200 220
+set bug_info [string trim [intersect i3 s1 s2t]]
+if {[llength $bug_info] != 4} {
+  puts "ERROR: OCC27950 is reproduced. Step #3. Result of intersection is [llength $bug_info]."
+}
+
+trimv s2t s2 205.38050051360744 210.55652011282123
+set bug_info [string trim [intersect i4 s1 s2t]]
+if {[llength $bug_info] != 4} {
+  puts "ERROR: OCC27950 is reproduced. Step #4. Result of intersection is [llength $bug_info]."
+}
+
+trimv s2t s2 205 211
+set bug_info [string trim [intersect i5 s1 s2t]]
+if {[llength $bug_info] != 4} {
+  puts "ERROR: OCC27950 is reproduced. Step #5. Result of intersection is [llength $bug_info]."
+}
+
+trimv s2t s2 206 210
+set bug_info [string trim [intersect i6 s1 s2t]]
+if {[llength $bug_info] != 4} {
+  puts "ERROR: OCC27950 is reproduced. Step #6. Result of intersection is [llength $bug_info]."
+}
+
+trimv s2t s2 205.4 210.575
+set bug_info [string trim [intersect i7 s1 s2t]]
+if {[llength $bug_info] != 4} {
+  puts "ERROR: OCC27950 is reproduced. Step #7. Result of intersection is [llength $bug_info]."
+}
+
+trimv s2t s2 205.353 210.529
+set bug_info [string trim [intersect i8 s1 s2t]]
+if {[llength $bug_info] != 4} {
+  puts "ERROR: OCC27950 is reproduced. Step #8. Result of intersection is [llength $bug_info]."
+}
diff --git a/tests/bugs/modalg_7/bug28119_1 b/tests/bugs/modalg_7/bug28119_1
new file mode 100755
index 0000000000..b5666f1692
--- /dev/null
+++ b/tests/bugs/modalg_7/bug28119_1
@@ -0,0 +1,20 @@
+puts "TODO OCC28119 ALL: Error: Cannot find the result of BLEND-operation. The result of BOP operation will be returned."
+
+puts "========"
+puts "OCC28119"
+puts "========"
+puts ""
+#################################################
+# Blend fails on fused identical but shifted tori
+#################################################
+
+# identical secondary radi
+
+ptorus t1 100 10
+ptorus t2 100 10
+ttranslate t2 100 0 0 
+
+bfuseblend result t1 t2 5
+
+checkview -display result -2d -path ${imagedir}/${test_image}-2d.png
+checkview -display result -3d -path ${imagedir}/${test_image}-3d.png
diff --git a/tests/bugs/modalg_7/bug28119_2 b/tests/bugs/modalg_7/bug28119_2
new file mode 100755
index 0000000000..d7dab3e386
--- /dev/null
+++ b/tests/bugs/modalg_7/bug28119_2
@@ -0,0 +1,18 @@
+puts "========"
+puts "OCC28119"
+puts "========"
+puts ""
+#################################################
+# Blend fails on fused identical but shifted tori
+#################################################
+
+# large difference in secondary radi
+
+ptorus t1 100 10
+ptorus t2 100 9.9
+ttranslate t2 100 0 0 
+
+bfuseblend result t1 t2 5
+
+checkview -display result -2d -path ${imagedir}/${test_image}-2d.png
+checkview -display result -3d -path ${imagedir}/${test_image}-3d.png
diff --git a/tests/bugs/modalg_7/bug28119_3 b/tests/bugs/modalg_7/bug28119_3
new file mode 100755
index 0000000000..0a9a75c5cb
--- /dev/null
+++ b/tests/bugs/modalg_7/bug28119_3
@@ -0,0 +1,18 @@
+puts "========"
+puts "OCC28119"
+puts "========"
+puts ""
+#################################################
+# Blend fails on fused identical but shifted tori
+#################################################
+
+# identical secondary radi
+
+ptorus t1 100 10
+ptorus t2 100 9.99
+ttranslate t2 100 0 0 
+
+bfuseblend result t1 t2 5
+
+checkview -display result -2d -path ${imagedir}/${test_image}-2d.png
+checkview -display result -3d -path ${imagedir}/${test_image}-3d.png
diff --git a/tests/bugs/modalg_7/bug28151 b/tests/bugs/modalg_7/bug28151
new file mode 100644
index 0000000000..411da74c9c
--- /dev/null
+++ b/tests/bugs/modalg_7/bug28151
@@ -0,0 +1,34 @@
+puts "TODO OCC28151 ALL: Faulty shapes in variables faulty_1 to"
+puts "TODO OCC28151 ALL: Error: MaxTolerance"
+
+puts "========"
+puts "OCC28151"
+puts "========"
+puts ""
+##########################################################
+## Sewing faces results in a shell with very big tolerance
+##########################################################
+
+restore [locate_data_file bug28151_surfs.brep] s
+
+puts "\nBefore sewing"
+whatis s
+checkshape s
+tolerance s
+
+set expected_MaxTolerance 0.1
+sewing result ${expected_MaxTolerance} s
+
+puts "\nAfter sewing"
+whatis result
+checkshape result
+
+regexp {Tolerance +MAX=([-0-9.+eE]+)} [tolerance result] full MaxTol
+
+set expected_MaxTolerance 0.1
+set tol_abs_MaxTolerance 0.05
+set tol_rel_MaxTolerance 0.5
+checkreal "MaxTolerance" ${MaxTol} ${expected_MaxTolerance} ${tol_abs_MaxTolerance} ${tol_rel_MaxTolerance}
+
+checkview -display s -3d -path ${imagedir}/${test_image}-s.png
+checkview -display result -3d -path ${imagedir}/${test_image}-result.png
diff --git a/tests/bugs/step/bug27251 b/tests/bugs/step/bug27251
new file mode 100755
index 0000000000..5f4ad01442
--- /dev/null
+++ b/tests/bugs/step/bug27251
@@ -0,0 +1,25 @@
+puts "TODO OCC27251 All: Faulty shapes in variables faulty_1 to faulty_"
+
+puts "============"
+puts "OCC27251"
+puts "============"
+puts ""
+###############################################################
+# Shape becomes invalid when exported to STEP and imported back
+###############################################################
+
+restore [locate_data_file bug27251_cc.brep] c
+whatis c
+checkshape c
+
+set aFile ${imagedir}/bug27251.stp
+catch { file delete ${aFile} }
+
+stepwrite 0 c ${aFile}
+
+stepread ${aFile} result *
+whatis result_1
+checkshape result_1
+
+checkview -display c -2d -path ${imagedir}/${test_image}_1.png
+checkview -display result_1 -2d -path ${imagedir}/${test_image}_2.png
diff --git a/tests/bugs/step/bug27316 b/tests/bugs/step/bug27316
new file mode 100644
index 0000000000..cd0176de30
--- /dev/null
+++ b/tests/bugs/step/bug27316
@@ -0,0 +1,638 @@
+puts "TODO OCC27316 Windows: OSD_Exception_ACCESS_VIOLATION"
+puts "TODO OCC27316 Linux: segmentation violation"
+puts "TODO OCC27316 ALL:TEST INCOMPLETE"
+
+puts "========"
+puts "OCC27316"
+puts "========"
+puts ""
+##########################
+# exception when XAddShape
+##########################
+
+# model of rib for Buran wing. Drawing taken from www.buran.ru 
+# Create parameters
+set B1  140.    ;# half chord 1
+set B2 60.    ;#  half chord 2
+set B3 50.    ;#  breadth of upper part 
+set L 1000.;   # wing length
+set L_edge [expr "sqrt($L*$L+($B1-$B2)*($B1-$B2))"]     ;# wing edge length
+set step 135.     ;# stiffener step
+set step1 95.     ;# 1 stiffener step
+set B_st 30.     ;# stiffener flange breadth
+set B_st1 50.     ;# stiffener flange  breadth with inclined part
+set H_st 30.     ;# stiffener flange height
+set t_st 1.5     ;# stiffener flange web thickness
+set offset_fl 10.0     ;# stiffener side flange 1 offset
+set t_fl 2.0     ;# stiffener side flange 1 thickness
+set B_fl1 20.0     ;# stiffener side flange 1 width
+set B_fl2 16.0     ;# stiffener side flange 2 width
+set angle_cos [expr "$L/$L_edge"] ;# cos of angle between axis x and wing edge
+set angle_sin [expr "($B1-$B2)/$L_edge"] ;# sin of angle between axis x and wing edge
+set rad_rivet 1.;# radius of rivet
+set step_rivet 20.;# step between  rivets
+set offset_rivet 5.;# offset between  rivets and stringer
+set rad_cut 45. ; # radius of big cut in middle plate
+set rad_cut1 35. ; # radius of middle cut in middle plate
+set rad_cut2 25. ; # radius of small cut in middle plate
+set t_ang 1.;  # angle bracket thickness
+set h_ang 18.;  # angle bracket length
+
+
+# Create  edge of upper stiffener flange
+vertex r_1 0. $B1 0.;
+set i 1; 
+set NN 8
+while {$i < $NN} { 
+  vertex r_[expr "($i-1)*4+2"] [expr "(($i-1)*$step+$step1-$B_st1/2)*$angle_cos"] [expr "$B1-(($i-1)*$step+$step1-$B_st1/2)*$angle_sin"]  0.;
+  vertex r_[expr "($i-1)*4+3"] [expr "(($i-1)*$step+$step1-$B_st/2)*$angle_cos+$H_st*$angle_sin"] [expr "$B1-(($i-1)*$step+$step1-$B_st/2)*$angle_sin-$H_st*$angle_cos"] 0.;
+  vertex r_[expr "($i-1)*4+4"] [expr "(($i-1)*$step+$step1+$B_st/2)*$angle_cos+$H_st*$angle_sin"] [expr "$B1-(($i-1)*$step+$step1+$B_st/2)*$angle_sin-$H_st*$angle_cos"] 0.;
+  vertex r_[expr "($i-1)*4+5"] [expr "(($i-1)*$step+$step1+$B_st1/2)*$angle_cos"] [expr "$B1-(($i-1)*$step+$step1+$B_st1/2)*$angle_sin"] 0.;
+  vertex r_[expr "($i-1)*4+6"] [expr "($i*$step+$step1+$B_st1/2)*$angle_cos"] [expr "$B1-($i*$step+$step1+$B_st1/2)*$angle_sin"]  0.;
+  edge e_[expr "($i-1)*4+1"] r_[expr "($i-1)*4+1"] r_[expr "($i-1)*4+2"];
+  edge e_[expr "($i-1)*4+2"] r_[expr "($i-1)*4+2"] r_[expr "($i-1)*4+3"];
+  edge e_[expr "($i-1)*4+3"] r_[expr "($i-1)*4+3"] r_[expr "($i-1)*4+4"];
+  fillet2d fil1_$i e_[expr "($i-1)*4+2"] e_[expr "($i-1)*4+3"] 3.
+  edge e_[expr "($i-1)*4+4"] r_[expr "($i-1)*4+4"] r_[expr "($i-1)*4+5"];
+  fillet2d fil2_$i e_[expr "($i-1)*4+3"] e_[expr "($i-1)*4+4"] 3.
+  wire w_$i e_[expr "($i-1)*4+1"] e_[expr "($i-1)*4+2"] fil1_$i e_[expr "($i-1)*4+3"] fil2_$i e_[expr "($i-1)*4+4"];   
+  incr i;
+}
+vertex r_last $L $B2 0.;
+edge e_last r_[expr "($i-2)*4+5"] r_last;
+vertex vu_1 0. [expr "$B1-$B3"]  0.;
+vertex vu_2 $L [expr "$B2-$B3"]  0.;
+edge e_v1 vu_1 r_1 ;
+edge e_v2 r_last vu_2;
+edge e_v3 vu_2 vu_1;
+wire w_upper  e_v1 w_1 w_2 w_3 w_4 w_5 w_6 w_7 e_last e_v2 e_v3;
+
+mkplane f_upper w_upper;
+#Create holes for rivets
+circle c1 $offset_rivet [expr "$B1-$B3+$offset_rivet"]  0. $rad_rivet;
+mkedge e_hole1 c1;
+wire w_hole1 e_hole1;
+mkplane f_hole1 w_hole1;
+compound f_hole1 holes_upper;
+set i 1; 
+set NNN [expr "int($L_edge/$step_rivet)"]
+while {$i < $NNN} {   
+  copy f_hole1 f_hole_$i
+  ttranslate f_hole_$i [expr "$i*$step_rivet*$angle_cos"] [expr "-($i*$step_rivet*$angle_sin)"]   0. ;
+  add f_hole_$i holes_upper;
+  incr i;
+}
+bcut f_upper_holes_1 f_upper holes_upper;
+prism fwall_upper f_upper_holes_1 0 0 $t_st;
+
+#Create low side flange 1
+#Create wire and face for side flange
+vertex vf_1 0. [expr "$B1-$B3+$offset_fl"]  0.;
+vertex vf_2 0. [expr "$B1-$B3+$offset_fl+$t_fl"] 0. ;
+vertex vf_3 0. [expr "$B1-$B3+$offset_fl"]  $t_st;
+vertex vf_4 0. [expr "$B1-$B3+$offset_fl+$t_fl"]  $t_st;
+vertex vf_5 0. [expr "$B1-$B3+$offset_fl"]  $B_fl1;
+vertex vf_6 0. [expr "$B1-$B3+$offset_fl+$t_fl"]  $B_fl1;
+vertex vf_7 0. [expr "$B1-$B3+$offset_fl-$t_st"]  $t_st;
+vertex vf_8 0. [expr "$B1-$B3+$offset_fl+$t_fl+$t_st"] $t_st; 
+edge side_fl_1 vf_1 vf_2;
+edge side_fl_2 vf_2 vf_8;
+edge side_fl_3 vf_8 vf_4;
+edge side_fl_4 vf_4 vf_6;
+edge side_fl_5 vf_6 vf_5;
+edge side_fl_6 vf_5 vf_3;
+edge side_fl_7 vf_3 vf_7;
+edge side_fl_8 vf_7 vf_1;
+fillet2d side_f1 side_fl_3 side_fl_4 1.5;
+fillet2d side_f2 side_fl_6 side_fl_7 1.5;
+wire w_side_fl side_fl_1 side_fl_2 side_fl_3 side_f1 side_fl_4 side_fl_5 side_fl_6 side_f2 side_fl_7 side_fl_8;
+mkplane f_side_fl w_side_fl;
+prism  v_side_fl f_side_fl [expr "$L_edge*$angle_cos"] [expr "-$L_edge*$angle_sin"] 0. ;
+bfuse f_upper  v_side_fl fwall_upper
+
+#Create upper side flange 2
+#Create wire and face for side flange 2
+vertex vfs_1  0. [expr "$B1+$t_st"] [expr "$B_fl2-$t_st/2."];
+vertex vfs_2  0. [expr "$B1+$t_st"] [expr "-$B_fl2+$t_st/2."];
+vertex vfs_3  0. $B1 [expr "$B_fl2-$t_st/2."];
+vertex vfs_4  0. $B1 [expr "-$B_fl2+$t_st/2."];
+vertex vfs_5  0. [expr "$B1-3.*$t_st"] 0.;
+vertex vfs_6  0. [expr "$B1-3.*$t_st"] $t_st;
+vertex vfs_7  0. $B1 $t_st;
+edge side_fl2_1 vfs_1 vfs_2;
+edge side_fl2_2 vfs_2 vfs_4;
+edge side_fl2_3 vfs_4 r_1;
+edge side_fl2_4 r_1 vfs_5 ;
+#fillet2d side_f12_1 side_fl2_3 side_fl2_4 1.5;
+edge side_fl2_5 vfs_5 vfs_6;
+edge side_fl2_6 vfs_6 vfs_7;
+edge side_fl2_7 vfs_7 vfs_3;
+#fillet2d side_f12_2 side_fl2_6 side_fl2_7 1.5;
+edge side_fl2_8 vfs_3 vfs_1;
+#wire w_side_fl2 side_fl2_1 side_fl2_2 side_fl2_3 side_f12_1 side_fl2_4 side_fl2_5 side_fl2_6 side_f12_2 side_fl2_7 side_fl2_8;
+wire w_side_fl2 side_fl2_1 side_fl2_2 side_fl2_3  side_fl2_4 side_fl2_5 side_fl2_6 side_fl2_7 side_fl2_8;
+mkplane f_side_fl2 w_side_fl2;
+
+#Create first side flange 2
+prism  v_side_fl2 f_side_fl2 [expr "($step1-$B_st1/2)*$angle_cos"] [expr "-($step1-$B_st1/2)*$angle_sin"]   0. ;
+bfuse f_upper_1  v_side_fl2 f_upper;
+
+#Create next side flange 2
+prism  v_side_fl3 f_side_fl2 [expr "($step-$B_st1)*$angle_cos"] [expr "-($step-$B_st1)*$angle_sin"]   0. ;
+set i 1; 
+set NN 7
+while {$i < $NN} {   
+  copy v_side_fl3 v_side_fl_$i
+  ttranslate v_side_fl_$i [expr "(($i-1)*$step+$step1+$B_st1/2)*$angle_cos"] [expr "-(($i-1)*$step+$step1+$B_st1/2)*$angle_sin"]   0. ;
+  bfuse f_upper_[expr "$i+1"]  v_side_fl_$i f_upper_[expr "$i"] ;  
+  incr i;
+}
+
+#Create last side flange 2
+prism  v_side_fl4 f_side_fl2 [expr "($L_edge-6*$step-$step1-$B_st1/2)*$angle_cos"] [expr "-($L_edge-6*$step-$step-$B_st1/2)*$angle_sin"]   0. ;
+ttranslate v_side_fl4 [expr "(6*$step+$step1+$B_st1/2)*$angle_cos"] [expr "-(6*$step+$step1+$B_st1/2)*$angle_sin"]   0. ;
+bfuse f_uppern f_upper_7 v_side_fl4 ; 
+unifysamedom f_upper1 f_uppern;
+
+restore [locate_data_file bug27316_edges_fillet.brep] edges_fillet
+
+bclearobjects; 
+bcleartools;
+baddobjects f_upper1 edges_fillet;
+bfillds;
+bbuild rgf;
+explode rgf so;
+copy rgf_1 v_upper
+
+set edges [explode edges_fillet e];
+set nbe [llength $edges]
+
+for {set i 1} {$i <= $nbe} {incr i} {
+  bmodified em edges_fillet_$i;
+  explode em e;
+  blend v_upper v_upper 1.5 em_1;
+}
+
+#vdisplay v_upper;
+#Create  symmetrical part
+copy v_upper v_lower;
+tmirror v_lower 0. 0. 0. 0. 1. 0.;
+
+#Create middle plate
+#Create wire and face for middle plate
+vertex vfl_1 0. [expr "-($B1-$B3+$offset_fl)"]  0.;
+vertex vfl_2 $L [expr "($B2-$B3+$offset_fl)"]  0.;
+vertex vfl_3 $L [expr "-($B2-$B3+$offset_fl)"]  0.;
+edge pl_1 vf_1 vfl_1;
+edge pl_2 vfl_1 vfl_3;
+edge pl_3 vfl_3 vfl_2;
+edge pl_4 vfl_2 vf_1;
+wire w_plate pl_1 pl_2 pl_3 pl_4;
+mkplane f_plate w_plate;
+
+#Cut holes
+#Create upper row of holes
+bcut f_plate_holes f_plate holes_upper;
+
+#Create lower row of holes
+copy holes_upper holes_lower;
+tmirror holes_lower 0. 0. 0. 0. 1. 0.
+bcut plate_holes_ul f_plate_holes holes_lower;
+#Create 1 row of holes
+compound  holes_1;
+set i 1; 
+set NN1 [expr "int(2*($B1-$B3+$offset_rivet)/$step_rivet)"]
+while {$i < $NN1} {   
+  copy f_hole1 f_hole1_$i
+  ttranslate f_hole1_$i 0. [expr "-($i*$step_rivet)"]   0. ;
+  add f_hole1_$i holes_1;
+  incr i;
+}
+bcut  plate_holes_1 plate_holes_ul holes_1;
+
+#Create next rows of holes
+set Nrow 6; #number of vertical rows
+set j 1; 
+while {$j < $Nrow} {
+   copy f_hole1 f_hole_$j;
+   ttranslate f_hole_$j [expr "7*$step_rivet*$j*$angle_cos"] [expr "-(7*$step_rivet*$j)*$angle_sin-$step_rivet"]  0. ;
+   compound f_hole_$j holes_$j;
+   set i 1; 
+   set NN2 [expr "$NN1-$j-1"];
+   while {$i < $NN2} {   
+      copy f_hole_$j f_holev_$i
+      ttranslate f_holev_$i 0. [expr "-($i*$step_rivet)"] 0. ;
+      add f_holev_$i holes_$j;
+      incr i;
+      }
+   bcut  plate_holes_[expr "$j+1"] plate_holes_$j holes_$j;
+   incr j;
+}
+
+#Create holes for cuts
+#Create cut1
+circle c2 [expr "$offset_rivet+3.5*$step_rivet*$angle_cos"] 0.  0. $rad_cut;
+mkedge e_hole2 c2;
+wire w_hole2 e_hole2;
+mkplane f_big_hole w_hole2;
+bcut  plate_holes_pl1 plate_holes_6 f_big_hole;
+
+#Create cut2
+copy f_big_hole f_big_hole1
+ttranslate f_big_hole1 [expr "7.*$step_rivet*$angle_cos"] 0. 0.;
+bcut  plate_holes_pl2 plate_holes_pl1 f_big_hole1;
+
+#Create cut3
+copy f_big_hole1 f_big_hole2
+ttranslate f_big_hole2 [expr "7.*$step_rivet*$angle_cos"] 0. 0.;
+bcut  plate_holes_pl3 plate_holes_pl2 f_big_hole2;
+
+#Create cut4
+circle c3 [expr "$offset_rivet+24.5*$step_rivet*$angle_cos"] 0.  0. $rad_cut1;
+mkedge e_hole3 c3;
+wire w_hole3 e_hole3;
+mkplane f_big_hole3 w_hole3;
+bcut  plate_holes_pl4 plate_holes_pl3 f_big_hole3;
+
+#Create cut5
+circle c4 [expr "$offset_rivet+31.5*$step_rivet*$angle_cos"] 0.  0. $rad_cut2;
+mkedge e_hole4 c4;
+wire w_hole4 e_hole4;
+mkplane f_big_hole4 w_hole4;
+bcut  plate_holes_pl5 plate_holes_pl4 f_big_hole4;
+prism  v_plate  plate_holes_pl5  0. 0. [expr "-$t_st"];
+
+#Create reinforcement of cut1
+circle c5 [expr "$offset_rivet+3.5*$step_rivet*$angle_cos+$rad_cut"] 0. [expr "3*$t_st"]  0. 1. 0. 3*$t_st;
+mkedge en5 c5 [expr "3.141"] [expr "5*3.141/4"];
+circle c6 [expr "$offset_rivet+3.5*$step_rivet*$angle_cos+$rad_cut"] 0. [expr "3*$t_st"]  0. 1. 0. 4*$t_st;
+mkedge en6 c6 [expr "3.141"] [expr "5*3.141/4"];
+explode en5 v;
+explode en6 v;
+vertex p1 [expr "$offset_rivet+3.5*$step_rivet*$angle_cos+$rad_cut+$t_st"] 0.  0. ;
+vertex p2 [expr "$offset_rivet+3.5*$step_rivet*$angle_cos+$rad_cut+$t_st"] 0.  [expr "-$t_st"] ;
+edge en1 en6_2 en5_2;
+edge en2 en5_1 p1;
+edge en3  p1 p2;
+edge en4  p2 en6_1;
+wire w_en en1 en5 en2 en3 en4 en6;
+mkplane f_en w_en;
+revol rev_en1 f_en [expr "$offset_rivet+3.5*$step_rivet*$angle_cos"] 0.  0. 0.  0. 1. 360.
+bfuse v_plate1 v_plate rev_en1;
+
+#Create reinforcement of cut2
+copy rev_en1 rev_en2;
+ttranslate rev_en2 [expr "7.*$step_rivet*$angle_cos"] 0. 0.;
+bfuse v_plate2 v_plate1 rev_en2;
+
+#Create reinforcement of cut3
+copy rev_en2 rev_en3;
+ttranslate rev_en3 [expr "7.*$step_rivet*$angle_cos"] 0. 0.;
+bfuse v_plate3 v_plate2 rev_en3;
+
+#Create reinforcement of cut4
+circle c7 [expr "$offset_rivet+24.5*$step_rivet*$angle_cos+$rad_cut1"] 0. [expr "3*$t_st"]  0. 1. 0. 3*$t_st;
+mkedge en7 c7 [expr "3.141"] [expr "5*3.141/4"];
+circle c8 [expr "$offset_rivet+24.5*$step_rivet*$angle_cos+$rad_cut1"] 0. [expr "3*$t_st"]  0. 1. 0. 4*$t_st;
+mkedge en8 c8 [expr "3.141"] [expr "5*3.141/4"];
+explode en7 v;
+explode en8 v;
+vertex p3 [expr "$offset_rivet+24.5*$step_rivet*$angle_cos+$rad_cut1+$t_st"] 0.  0. ;
+vertex p4 [expr "$offset_rivet+24.5*$step_rivet*$angle_cos+$rad_cut1+$t_st"] 0.  [expr "-$t_st"] ;
+edge en9 en8_2 en7_2;
+edge en10 en7_1 p3;
+edge en11  p3 p4;
+edge en12  p4 en8_1;
+wire w_en1 en7 en10 en11 en12 en8 en9  ;
+mkplane f_en1 w_en1;
+revol rev_en4 f_en1 [expr "$offset_rivet+24.5*$step_rivet*$angle_cos"] 0.  0. 0.  0. 1. 360.
+bfuse v_plate4 v_plate3 rev_en4;
+
+#Create reinforcement of cut5
+circle c9 [expr "$offset_rivet+31.5*$step_rivet*$angle_cos+$rad_cut2"] 0. [expr "3*$t_st"]  0. 1. 0. 3*$t_st;
+mkedge en13 c9 [expr "3.141"] [expr "5*3.141/4"];
+circle c10 [expr "$offset_rivet+31.5*$step_rivet*$angle_cos+$rad_cut2"] 0. [expr "3*$t_st"]  0. 1. 0. 4*$t_st;
+mkedge en14 c10 [expr "3.141"] [expr "5*3.141/4"];
+explode en13 v;
+explode en14 v;
+vertex p5 [expr "$offset_rivet+31.5*$step_rivet*$angle_cos+$rad_cut2+$t_st"] 0.  0. ;
+vertex p6 [expr "$offset_rivet+31.5*$step_rivet*$angle_cos+$rad_cut2+$t_st"] 0.  [expr "-$t_st"] ;
+edge en15 en14_2 en13_2;
+edge en16 en13_1 p5;
+edge en17  p5 p6;
+edge en18  p6 en14_1;
+wire w_en2 en13 en16 en17 en18 en14 en15  ;
+mkplane f_en2 w_en2;
+revol rev_en5 f_en2 [expr "$offset_rivet+31.5*$step_rivet*$angle_cos"] 0.  0. 0.  0. 1. 360.
+bfuse v_plate5 v_plate4 rev_en5;
+
+#Create pattern rivet 1 for 2 plates
+circle c11 $offset_rivet [expr "$B1-$B3+$offset_rivet"]  [expr " 0.3*$t_st"]  1. 0. 0. [expr "2.5* $rad_rivet"];
+mkedge e_riv c11 [expr "-acos(0.7*$t_st/2.5*$rad_rivet)"] 0;
+explode e_riv v;
+copy e_riv e_riv1;
+tmirror e_riv1  0. 0. 0. 0. 0. 1.;
+reverse e_riv1;
+explode e_riv1 v;
+vertex riv1 $offset_rivet [expr "$B1-$B3+$offset_rivet+$rad_rivet"] $t_st;
+vertex riv2 $offset_rivet [expr "$B1-$B3+$offset_rivet+$rad_rivet"] [expr " -$t_st"];
+edge riv_e1 riv2 riv1;
+edge riv_e2 e_riv_2 e_riv1_2;
+edge riv_e3 e_riv1_1 riv2 ;
+edge riv_e4 riv1 e_riv_1 ;
+#fillet2d riv_fil1 riv_e1 riv_e3 0.25;
+#fillet2d riv_fil2 riv_e2 riv_e1 0.25;
+wire w_riv e_riv riv_e2 e_riv1 riv_e3 riv_e1 riv_e4;
+mkplane f_riv w_riv;
+revol rev_riv f_riv $offset_rivet [expr "$B1-$B3+$offset_rivet"] 0. 0.  0. 1. 360.;
+
+#Create pattern rivet 2 for 2 plates
+copy e_riv e_riv3;
+ttranslate e_riv3 0. 0. [expr " -$t_st"]; 
+explode e_riv3 v;
+copy e_riv1 e_riv2;
+ttranslate e_riv2 0. 0. [expr " -$t_ang"]; 
+explode e_riv2 v;
+vertex riv3 $offset_rivet [expr "$B1-$B3+$offset_rivet+$rad_rivet"] 0;
+vertex riv4 $offset_rivet [expr "$B1-$B3+$offset_rivet+$rad_rivet"] [expr " -$t_ang-$t_st"];
+
+edge riv_e5 riv4 riv3;
+edge riv_e6 riv3 e_riv3_1;
+edge riv_e7 e_riv3_2 e_riv2_2;
+edge riv_e8 e_riv2_1 riv4;
+wire w_rivl e_riv3 riv_e7 e_riv2 riv_e8 riv_e5 riv_e6;
+mkplane f_rivl w_rivl;
+revol rev_rivl f_rivl $offset_rivet [expr "$B1-$B3+$offset_rivet"] 0. 0.  0. 1. 360.;
+
+#Create pattern rivet 3 for 3 plates
+edge riv_e9 e_riv_2 e_riv2_2;
+edge riv_e10  riv1 riv4;
+wire w_riv3pl e_riv2 riv_e8 riv_e10 riv_e4  e_riv riv_e9 ;
+mkplane f_riv3pl w_riv3pl;
+revol rev_riv3pl f_riv3pl $offset_rivet [expr "$B1-$B3+$offset_rivet"] 0. 0.  0. 1. 360.;
+
+
+#Create rivets upper row
+compound rev_riv rivets_upper;
+set i 1; 
+set NNN [expr "int($L_edge/$step_rivet)"]
+while {$i < $NNN} {   
+  if {fmod ($i,7) != 0 } { 
+      copy rev_riv rev_riv_$i
+      ttranslate rev_riv_$i [expr "$i*$step_rivet*$angle_cos"] [expr "-($i*$step_rivet*$angle_sin)"]   0. ;  
+      add rev_riv_$i rivets_upper;
+  }   else {      
+      copy rev_riv3pl rev_riv_$i
+      ttranslate rev_riv_$i [expr "$i*$step_rivet*$angle_cos"] [expr "-($i*$step_rivet*$angle_sin)"]   0. ;  
+      add rev_riv_$i rivets_upper;
+  } 
+  incr i;
+}
+
+#Create rivets lower row
+copy rivets_upper rivets_lower;
+tmirror rivets_lower 0. 0. 0. 0. 1. 0.;
+
+#Create 1 row of rivets 
+
+compound rivets_1;
+set i 1; 
+set NN1 [expr "int(2*($B1-$B3+$offset_rivet)/$step_rivet)"]
+while {$i < $NN1} {   
+  copy rev_rivl rev_$i
+  ttranslate rev_$i 0. [expr "-($i*$step_rivet)"]   0. ;
+  add rev_$i rivets_1;
+  incr i;
+}
+
+
+#Create next rows of rivets 
+set Nrow 6; #number of vertical rows
+set j 1; 
+while {$j < $Nrow} {
+   copy rev_rivl rev_riv1e_$j;
+   ttranslate rev_riv1e_$j [expr "7*$step_rivet*$j*$angle_cos"] [expr "-(7*$step_rivet*$j)*$angle_sin-$step_rivet"]  0. ;
+   compound rev_riv1e_$j rivets_$j;
+   set i 1; 
+   set NN2 [expr "$NN1-$j-1"];
+   while {$i < $NN2} {   
+      copy rev_riv1e_$j rev_riv1v_$i
+      ttranslate rev_riv1v_$i 0. [expr "-($i*$step_rivet)"] 0. ;
+      add rev_riv1v_$i rivets_$j;
+      incr i;
+      }   
+   incr j;
+}
+#Create profile for bracket
+set ang_x1 [expr "($offset_rivet+7*$step_rivet-$h_ang/2)*$angle_cos"];
+set ang_y1 [expr "$B1-$B3+$offset_fl-($offset_rivet+7*$step_rivet-$h_ang/2)*$angle_sin"];
+vertex ang_1 $ang_x1 $ang_y1 [expr " -$t_st"]; 
+set ang_x2 [expr "($offset_rivet+7*$step_rivet+$h_ang/2)*$angle_cos"];
+set ang_y2 [expr "$B1-$B3+$offset_fl-($offset_rivet+7*$step_rivet+$h_ang/2)*$angle_sin"];
+vertex ang_2 $ang_x2 $ang_y2 [expr " -$t_st"]; 
+set ang_y3 [expr "$B1-$B3+$offset_fl-($offset_rivet+7*$step_rivet-$h_ang/2)*$angle_sin"];
+vertex ang_3 $ang_x1 $ang_y3 [expr " -$t_st-$t_ang"];
+set ang_y4 [expr "$B1-$B3+$offset_fl-($offset_rivet+7*$step_rivet+$h_ang/2)*$angle_sin"];
+vertex ang_4 $ang_x2 $ang_y4 [expr " -$t_st-$h_ang"];
+set ang_x5 [expr "($offset_rivet+7*$step_rivet+$h_ang/2-$t_ang)*$angle_cos"];
+set ang_y5 [expr "$B1-$B3+$offset_fl-($offset_rivet+7*$step_rivet+$h_ang/2-$t_ang)*$angle_sin"];
+vertex ang_5 $ang_x5 $ang_y5 [expr " -$t_st-$h_ang"]; 
+set ang_y6 [expr "$B1-$B3+$offset_fl-($offset_rivet+7*$step_rivet+$h_ang/2-$t_ang)*$angle_sin"];
+vertex ang_6 $ang_x5 $ang_y6 [expr " -$t_st-$t_ang"];
+edge ang_e1 ang_1 ang_2;
+edge ang_e2 ang_2 ang_4;
+edge ang_e3 ang_4 ang_5;
+edge ang_e4 ang_5 ang_6;
+edge ang_e5 ang_6 ang_3;
+edge ang_e6 ang_3 ang_1;
+fillet2d ang_f1 ang_e4 ang_e5 2.;
+fillet2d ang_f2 ang_e5 ang_e6 0.4;
+fillet2d ang_f3 ang_e3 ang_e4 0.4;
+wire w_ang ang_e1 ang_e2 ang_e3 ang_f3 ang_e4 ang_f1 ang_e5 ang_f2 ang_e6;
+mkplane f_ang w_ang;
+prism v_ang f_ang 0. [expr "-2. *$B1"] 0.;
+
+
+#Create prisms to cut profile
+#prism v_pr1
+#vertex p1_1 0. [expr "-($B1-$B3+$offset_fl)-$B1"]  0.;
+#vertex p1_2 $L [expr "-($B2-$B3+$offset_fl)-$B1"]  0.;
+vertex p1_1 0. [expr "-($B1-$B3+$offset_fl)-3.*$B1"]  0.;
+vertex p1_2 $L [expr "-($B2-$B3+$offset_fl)-3.*$B1"]  0.;
+edge ep1_1 vfl_3 p1_2;
+edge ep1_2 p1_2 p1_1;
+edge ep1_3 p1_1 vfl_1;
+wire w_pr1 ep1_1 pl_2 ep1_2 ep1_3;
+mkplane f_pr1 w_pr1;
+prism v_pr1 f_pr1 0. 0. [expr "-4.*$h_ang"];
+
+#prism v_pr2
+vertex p2_1 $ang_x5 [expr "$ang_y5-10."] [expr " -$t_st-$h_ang"]; 
+vertex p2_2 $ang_x5 $ang_y5 [expr " -$t_st-$h_ang+10."]; 
+edge ep2_1 p2_1 p2_2;
+edge ep2_2 p2_2 ang_5;
+edge ep2_3 ang_5 p2_1;
+wire w_pr2 ep2_1 ep2_2 ep2_3;
+mkplane f_pr2 w_pr2;
+prism v_pr2 f_pr2 [expr "$L*$angle_cos"] [expr "-$L*$angle_sin"] 0.;
+
+#prism v_pr3
+copy v_pr2 v_pr3;
+tmirror v_pr3 0. 0. 0. 0. 1. 0.;
+
+#prism v_pr4
+set ang_xpr1 [expr "($offset_rivet+7*$step_rivet-$h_ang/2+5.)*$angle_cos"];
+set ang_ypr1 [expr "$B1-$B3+$offset_fl-($offset_rivet+7*$step_rivet-$h_ang/2+5.)*$angle_sin"];
+vertex p4_1 $ang_xpr1 $ang_ypr1 [expr " -$t_st"]; 
+vertex p4_2 $ang_x1 [expr "$ang_y1-5."] [expr " -$t_st"];
+edge ep4_1 p4_1 p4_2;
+edge ep4_2 p4_2 ang_1;
+edge ep4_3 ang_1 p4_1;
+wire w_pr4 ep4_1 ep4_2 ep4_3;
+mkplane f_pr4 w_pr4;
+prism v_pr4 f_pr4 0. 0. [expr "-$L"];
+
+#prism v_pr5
+copy v_pr4 v_pr5;
+tmirror v_pr5 0. 0. 0. 0. 1. 0.;
+
+#Create bracket 1
+prism vholes_1 holes_1 0. 0. [expr "-4.*$h_ang"];
+bcut v_ang_1a v_ang v_pr1; 
+bcut v_ang_1b v_ang_1a v_pr2; 
+bcut v_ang_1c v_ang_1b v_pr3; 
+bcut v_ang_1d v_ang_1c v_pr4;
+bcut v_ang_1e v_ang_1d v_pr5;
+bcut v_ang_1f v_ang_1e vholes_1;
+compound v_ang_1f brackets;
+
+set Nrow 6; #number of vertical rows
+set j 2; 
+while {$j < $Nrow} {
+   	copy v_ang_1e v_ang2;
+	ttranslate v_ang2 [expr "7*($j-1)*$step_rivet*$angle_cos"] [expr "-7*($j-1)*$step_rivet*$angle_sin"] 0.;
+	bcut v_ang3 v_ang2 v_pr1; 
+        bcut v_ang4 v_ang3 v_pr3; 
+	copy v_pr5 v_pr5_$j; 
+	ttranslate v_pr5_$j [expr "7*($j-1)*$step_rivet*$angle_cos"] [expr "7*($j-1)*$step_rivet*$angle_sin"] 0.;
+	bcut v_ang5 v_ang4 v_pr5_$j; 
+        prism vholes_$j holes_$j 0. 0. [expr "-4.*$h_ang"];
+        bcut v_ang1_$j  v_ang5 vholes_$j;
+        add v_ang1_$j brackets;
+        incr j;
+}
+
+
+#vdisplay v_plate5 v_upper v_lower rivets_1 rivets_2 rivets_3 rivets_4 rivets_5 rivets_upper rivets_lower brackets
+
+compound  rivets_1 rivets_2 rivets_3 rivets_4 rivets_5 brackets brackets_with_rivets;
+compound  rivets_upper v_upper v_upper_rivets;
+compound  v_lower  rivets_lower v_lower_rivets;
+compound  v_plate5 v_upper_rivets v_lower_rivets brackets_with_rivets wing_rib;
+
+
+pload MODELING VISUALIZATION OCAF XDE;
+NewDocument D;#creates new document with name D;
+
+#Assign names to shapes
+XAddShape D wing_rib;
+
+SetName D 0:1:1:1 wing_rib;
+SetName D 0:1:1:1:1 v_plate5;
+SetName D 0:1:1:1:2 v_upper_rivets;
+SetName D 0:1:1:1:3 v_lower_rivets;
+SetName D 0:1:1:1:4 brackets_with_rivets;
+SetName D 0:1:1:2 v_plate5;
+SetName D 0:1:1:4 v_upper_rivets;
+SetName D 0:1:1:4:1 rivets_upper;
+SetName D 0:1:1:4:2 v_upper;
+SetName D 0:1:1:5 rivets_upper;
+SetName D 0:1:1:8 v_upper;
+SetName D 0:1:1:8:1 v_upper;
+SetName D 0:1:1:9 v_upper;
+SetName D 0:1:1:10 v_lower_rivets;
+SetName D 0:1:1:10:1 v_lower;
+SetName D 0:1:1:10:2 rivets_lower;
+SetName D 0:1:1:11 v_lower;
+SetName D 0:1:1:13 rivets_lower;
+
+set i 1; 
+set NNN [expr "int($L_edge/$step_rivet)+1"]
+while {$i < $NNN} {      
+  SetName D 0:1:1:5:$i rev_riv_up_$i;
+  SetName D 0:1:1:13:$i rev_riv_low_$i;
+  set ind [expr "$i+13"]
+  XSetColor D 0:1:1:$ind 0.576 0.576 0.432;
+  incr i;
+}
+
+XSetColor D 0:1:1:$ind 0.576 0.576 0.432;
+puts $ind
+SetName D 0:1:1:64 brackets_with_rivets;
+SetName D 0:1:1:64:1 rivets_on_bracket_1;
+SetName D 0:1:1:65 rivets_on_bracket_1;
+SetName D 0:1:1:64:2 rivets_on_bracket_2;
+SetName D 0:1:1:67 rivets_on_bracket_2;
+SetName D 0:1:1:64:3 rivets_on_bracket_3;
+SetName D 0:1:1:68 rivets_on_bracket_3;
+SetName D 0:1:1:64:4 rivets_on_bracket_4;
+SetName D 0:1:1:69 rivets_on_bracket_4;
+SetName D 0:1:1:64:5 rivets_on_bracket_5;
+SetName D 0:1:1:70 rivets_on_bracket_5;
+SetName D 0:1:1:64:6 brackets;
+SetName D 0:1:1:71 brackets;
+SetName D 0:1:1:71:1 bracket_1;
+SetName D 0:1:1:72 bracket_1;
+SetName D 0:1:1:71:2 bracket_2;
+SetName D 0:1:1:74 bracket_2;
+SetName D 0:1:1:71:3 bracket_3;
+SetName D 0:1:1:76 bracket_3;
+SetName D 0:1:1:71:4 bracket_4;
+SetName D 0:1:1:78 bracket_4;
+SetName D 0:1:1:71:5 bracket_5;
+SetName D 0:1:1:80 bracket_5;
+
+SetName D 0:1:1:3 plate5;
+XSetColor D 0:1:1:3 0.58 0.57 0.57;
+XSetColor D 0:1:1:6 0.576 0.576 0.432;
+XSetColor D 0:1:1:7 0.576 0.576 0.432;
+XSetColor D 0:1:1:66 0.576 0.576 0.432;
+XSetColor D 0:1:1:75 0.58 0.57 0.57;
+XSetColor D 0:1:1:77 0.58 0.57 0.57;
+XSetColor D 0:1:1:79 0.58 0.57 0.57;
+XSetColor D 0:1:1:81 0.58 0.57 0.57;
+
+
+#All attributes (colors, dimensions can be exported only on basic solids without locations noty compounds
+XGetShape v1 D 0:1:1:9;
+explode v1 e;
+#Set rivet diameter
+XAddDimension D v1_388; #0:1:4:1
+XSetDimensionType D  0:1:4:1 15;
+
+XSetDimensionValue D 0:1:4:1 2.;
+#Set length
+XAddDimension D v1_296; #0:1:4:2
+XSetDimensionType D  0:1:4:2 2;
+
+XSetDimensionValue D 0:1:4:2 100.;
+
+XGetShape v2 D 0:1:1:3;
+explode v2 f
+
+#Set cut diameter
+XAddDimension D v2_24; #0:1:4:3
+XSetDimensionType D  0:1:4:3 15;
+
+XSetDimensionValue D 0:1:4:3 35.;
+
+#Set  tolerance
+XAddGeomTolerance D v2_2; #0:1:4:
+XSetToleranceValue D 0:1:4:4 0.5
+
+XSetTypeOfTolerance D 0:1:4:4 2
+
+XSetTypeOfToleranceValue D 0:1:4:4 1
+
+#========
+XAddShape D bracket_5
diff --git a/tests/bugs/step/bug28144 b/tests/bugs/step/bug28144
new file mode 100644
index 0000000000..49f5140fda
--- /dev/null
+++ b/tests/bugs/step/bug28144
@@ -0,0 +1,18 @@
+puts "========"
+puts "OCC28144"
+puts "========"
+puts ""
+###########################################################
+# Step reader - regression in comparison of version OCCT654
+###########################################################
+
+testreadstep [locate_data_file bug28118_18547.stp] solid
+
+checkshape solid
+
+explode solid F
+
+renamevar solid_128 face
+
+checkview -display face -2d -path ${imagedir}/${test_image}-2d.png
+checkview -display face -3d -path ${imagedir}/${test_image}-3d.png
diff --git a/tests/bugs/xde/bug27069 b/tests/bugs/xde/bug27069
new file mode 100644
index 0000000000..482ff4d843
--- /dev/null
+++ b/tests/bugs/xde/bug27069
@@ -0,0 +1,25 @@
+puts "TODO OCC27069 ALL: Error: IGES parser does not recognize comments in Parameters section"
+
+puts "=========="
+puts "OCC27069"
+puts "=========="
+puts ""
+######################################################################
+# IGES parser does not recognize comments in Parameters section
+######################################################################
+
+igesbrep [locate_data_file bug27069_points-with-comments.igs] a *
+
+set Log [data c]
+
+if {[regexp {Unknown message invoked with the keyword} $Log] == 1} {
+  puts "Error: IGES parser does not recognize comments in Parameters section"
+} else {
+  puts "OK: IGES parser recognize comments in Parameters section"
+}
+
+if {[regexp {Directory Entry : parameter 1 \(entity type\) is incorrect} $Log] == 1} {
+  puts "Error: IGES parser does not recognize comments in Parameters section"
+} else {
+  puts "OK: IGES parser recognize comments in Parameters section"
+}
diff --git a/tests/bugs/xde/bug27170_1 b/tests/bugs/xde/bug27170_1
new file mode 100644
index 0000000000..b627be01f0
--- /dev/null
+++ b/tests/bugs/xde/bug27170_1
@@ -0,0 +1,17 @@
+puts "============"
+puts "CR27170"
+puts "============"
+puts ""
+
+#############################################
+# Reading STEP files produces invalid shapes
+#############################################
+
+ReadStep D [locate_data_file bug27170_ComauRomanTransformerTAXXX-0000016267.stp]
+
+XGetOneShape result D
+
+checkshape result
+
+checkview -display result -2d -path ${imagedir}/${casename}-2d.png
+checkview -display result -3d -path ${imagedir}/${casename}-3d.png
diff --git a/tests/bugs/xde/bug27170_2 b/tests/bugs/xde/bug27170_2
new file mode 100644
index 0000000000..bb4fa4eb4b
--- /dev/null
+++ b/tests/bugs/xde/bug27170_2
@@ -0,0 +1,19 @@
+puts "TODO CR27170 ALL: Faulty shapes in variables faulty_1 to"
+
+puts "============"
+puts "CR27170"
+puts "============"
+puts ""
+
+#############################################
+# Reading STEP files produces invalid shapes
+#############################################
+
+ReadStep D [locate_data_file bug27170_ComauXTypeEntireAssVAGXA-1900002350.stp]
+
+XGetOneShape result D
+
+checkshape result
+
+checkview -display result -2d -path ${imagedir}/${casename}-2d.png
+checkview -display result -3d -path ${imagedir}/${casename}-3d.png
diff --git a/tests/bugs/xde/bug27170_3 b/tests/bugs/xde/bug27170_3
new file mode 100644
index 0000000000..d867db0763
--- /dev/null
+++ b/tests/bugs/xde/bug27170_3
@@ -0,0 +1,19 @@
+puts "TODO CR27170 ALL: Faulty shapes in variables faulty_1 to"
+
+puts "============"
+puts "CR27170"
+puts "============"
+puts ""
+
+#############################################
+# Reading STEP files produces invalid shapes
+#############################################
+
+ReadStep D [locate_data_file bug27170_ComauXTypeMajorAssVAGWS-ASSY00002078.stp]
+
+XGetOneShape result D
+
+checkshape result
+
+checkview -display result -2d -path ${imagedir}/${casename}-2d.png
+checkview -display result -3d -path ${imagedir}/${casename}-3d.png
diff --git a/tests/bugs/xde/bug27170_4 b/tests/bugs/xde/bug27170_4
new file mode 100644
index 0000000000..53d4775998
--- /dev/null
+++ b/tests/bugs/xde/bug27170_4
@@ -0,0 +1,19 @@
+puts "TODO CR27170 ALL: Faulty shapes in variables faulty_1 to"
+
+puts "============"
+puts "CR27170"
+puts "============"
+puts ""
+
+#############################################
+# Reading STEP files produces invalid shapes
+#############################################
+
+ReadStep D [locate_data_file bug27170_HiLex_Door_DS_FS_RH_140723.stp]
+
+XGetOneShape result D
+
+checkshape result
+
+checkview -display result -2d -path ${imagedir}/${casename}-2d.png
+checkview -display result -3d -path ${imagedir}/${casename}-3d.png
diff --git a/tests/bugs/xde/bug27170_5 b/tests/bugs/xde/bug27170_5
new file mode 100644
index 0000000000..49bd6432cd
--- /dev/null
+++ b/tests/bugs/xde/bug27170_5
@@ -0,0 +1,19 @@
+puts "TODO CR27170 ALL: Faulty shapes in variables faulty_1 to"
+
+puts "============"
+puts "CR27170"
+puts "============"
+puts ""
+
+#############################################
+# Reading STEP files produces invalid shapes
+#############################################
+
+ReadStep D [locate_data_file bug27170_PX2-11-17-2015.stp]
+
+XGetOneShape result D
+
+checkshape result
+
+checkview -display result -2d -path ${imagedir}/${casename}-2d.png
+checkview -display result -3d -path ${imagedir}/${casename}-3d.png
diff --git a/tests/bugs/xde/bug27170_6 b/tests/bugs/xde/bug27170_6
new file mode 100644
index 0000000000..445eca9086
--- /dev/null
+++ b/tests/bugs/xde/bug27170_6
@@ -0,0 +1,19 @@
+puts "TODO CR27170 ALL: Faulty shapes in variables faulty_1 to"
+
+puts "============"
+puts "CR27170"
+puts "============"
+puts ""
+
+#############################################
+# Reading STEP files produces invalid shapes
+#############################################
+
+ReadStep D [locate_data_file bug27170_PowerTailgate_EX52525.stp]
+
+XGetOneShape result D
+
+checkshape result
+
+checkview -display result -2d -path ${imagedir}/${casename}-2d.png
+checkview -display result -3d -path ${imagedir}/${casename}-3d.png
diff --git a/tests/bugs/xde/bug27701 b/tests/bugs/xde/bug27701
new file mode 100644
index 0000000000..4b8a3281da
--- /dev/null
+++ b/tests/bugs/xde/bug27701
@@ -0,0 +1,18 @@
+puts "========"
+puts "OCC27701"
+puts "========"
+puts ""
+#########################################
+# Crash when export empty solid to STEP
+#########################################
+
+pload DCAF
+
+catch {exec rm ${imagedir}/bug27701.stp}
+
+restore [locate_data_file bug27701.brep] s
+
+NewDocument D
+XAddShape D s
+XSetColor D 0:1:1:1 1 0 0 s
+WriteStep D ${imagedir}/bug27701.stp
diff --git a/tests/bugs/xde/bug27722 b/tests/bugs/xde/bug27722
new file mode 100644
index 0000000000..f586f3f3c4
--- /dev/null
+++ b/tests/bugs/xde/bug27722
@@ -0,0 +1,47 @@
+puts "TODO OCC27722 ALL: Faulty shapes in variables faulty_1 to faulty_"
+puts "TODO OCC27722 ALL: Error :  is WRONG because number of "
+
+puts "========"
+puts "OCC27722"
+puts "========"
+puts ""
+######################################
+# STEP error for Ellipse revol shape
+######################################
+
+catch {exec rm ${imagedir}/bug27722.stp}
+
+ellipse ge 0 0 20 10
+mkedge te ge 0 pi/2.0
+revol re te 0 0 0 0 1 0 360
+
+set i_Vertex   0
+set i_Edge     0
+set i_Wire     0
+set i_Face     0
+set i_Shell    0
+set i_Solid    0
+set i_CSolid   0
+set i_Compound 0
+set i_Shape    0
+set bug_info [string trim [checkshape re]]
+if {$bug_info == "This shape seems to be valid"} {
+  set nb_info [string trim [nbshapes re]]
+  set i_Vertex   [string trim [lindex $nb_info 7]]
+  set i_Edge     [string trim [lindex $nb_info 10]]
+  set i_Wire     [string trim [lindex $nb_info 13]]
+  set i_Face     [string trim [lindex $nb_info 16]]
+  set i_Shell    [string trim [lindex $nb_info 19]]
+  set i_Solid    [string trim [lindex $nb_info 22]]
+  set i_CSolid   [string trim [lindex $nb_info 25]]
+  set i_Compound [string trim [lindex $nb_info 28]]
+  set i_Shape    [string trim [lindex $nb_info 31]]
+} else {
+  puts "ERROR: Problem of test case functionality. Should be additionally investigated."
+}
+
+stepwrite a re ${imagedir}/bug27722.stp
+
+stepread ${imagedir}/bug27722.stp sr *
+checkshape sr_1
+checknbshapes sr_1 -vertex ${i_Vertex} -edge ${i_Edge} -wire ${i_Wire} -face ${i_Face} -shell ${i_Shell} -solid ${i_Solid} -compsolid ${i_CSolid} -compound ${i_Compound} -shape ${i_Shape}