reading of multidomain stl files into separate Poly_Triangulation objects (draft)

src/AIS/AIS_TextLabel.cxx

@@ -41,7 +41,6 @@ AIS_TextLabel::AIS_TextLabel()
   myFont             ("Courier"),
   myFontAspect       (Font_FA_Regular),
   myHasOrientation3D (Standard_False),
-  myHasOwnAnchorPoint (Standard_True),
   myHasFlipping      (Standard_False)
 {
   myDrawer->SetTextAspect (new Prs3d_TextAspect());
@@ -309,12 +308,7 @@ void AIS_TextLabel::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePr
 
         gp_Ax2 anOrientation = myOrientation3D;
         anOrientation.SetLocation (aPosition);
-
-        Standard_Boolean aHasOwnAnchor = HasOwnAnchorPoint();
-        if (myHasFlipping)
-          aHasOwnAnchor = Standard_False; // always not using own anchor if flipping
-
-        Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, myOrientation3D, aHasOwnAnchor);
+        Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, myOrientation3D, !myHasFlipping);
         if (myHasFlipping && isInit)
         {
           Prs3d_Root::CurrentGroup (thePrs)->SetFlippingOptions (Standard_False, gp_Ax2());

src/AIS/AIS_TextLabel.hxx

@@ -90,12 +90,6 @@ public:
 
   Standard_EXPORT Standard_Boolean HasFlipping() const;
 
-  //! Returns flag if text uses position as point of attach
-  Standard_Boolean HasOwnAnchorPoint() const { return myHasOwnAnchorPoint; }
-
-  //! Set flag if text uses position as point of attach
-  void SetOwnAnchorPoint (const Standard_Boolean theOwnAnchorPoint) { myHasOwnAnchorPoint = theOwnAnchorPoint; }
-
   //! Define the display type of the text.
   //!
   //! TODT_NORMAL     Default display. Text only.
@@ -127,7 +121,6 @@ protected:
   Font_FontAspect            myFontAspect;
   gp_Ax2                     myOrientation3D;
   Standard_Boolean           myHasOrientation3D;
-  Standard_Boolean           myHasOwnAnchorPoint;
   Standard_Boolean           myHasFlipping;
 
 public:

src/OpenGl/OpenGl_Text.cxx

@@ -426,12 +426,6 @@ void OpenGl_Text::setupMatrix (const Handle(OpenGl_Context)& theCtx,
   {
     OpenGl_Mat4d aCurrentWorldViewMat;
     aCurrentWorldViewMat.Convert (theCtx->WorldViewState.Current());
-
-    // apply local transformation
-    OpenGl_Mat4d aModelWorld;
-    aModelWorld.Convert (theCtx->ModelWorldState.Current());
-    aCurrentWorldViewMat = aCurrentWorldViewMat * aModelWorld;
-
     theCtx->WorldViewState.SetCurrent<Standard_Real> (aCurrentWorldViewMat * aModViewMat);
   }
   else

src/RWStl/RWStl.cxx

@@ -97,9 +97,25 @@ namespace
       return aPoly;
     }
 
+    //! Add new solid
+    virtual void AddSolid() Standard_OVERRIDE
+    {
+      Handle(Poly_Triangulation) aCurrentTri = GetTriangulation();
+      myTriangulationList.Append(aCurrentTri);
+      myNodes.Clear();
+      myTriangles.Clear();
+    }
+
+    NCollection_Sequence<Handle(Poly_Triangulation)> GetTriangulationList()
+    {
+      return myTriangulationList;
+    }
+
+
   private:
     NCollection_Vector<gp_XYZ> myNodes;
     NCollection_Vector<Poly_Triangle> myTriangles;
+    NCollection_Sequence<Handle(Poly_Triangulation)> myTriangulationList;
   };
 
 }
@@ -118,6 +134,17 @@ Handle(Poly_Triangulation) RWStl::ReadFile (const Standard_CString theFile,
   return aReader.GetTriangulation();
 }
 
+//=============================================================================
+//function : ReadFile
+//purpose  :
+//=============================================================================
+void RWStl::ReadFile(const Standard_CString theFile, NCollection_Sequence<Handle(Poly_Triangulation)>& theTriangList)
+{
+  Reader aReader;
+  aReader.Read(theFile, Handle(Message_ProgressIndicator)(), true);
+  theTriangList = aReader.GetTriangulationList();
+}
+
 //=============================================================================
 //function : ReadFile
 //purpose  :

src/RWStl/RWStl.hxx

@@ -50,6 +50,8 @@ public:
   Standard_EXPORT static Handle(Poly_Triangulation) ReadFile (const Standard_CString theFile,
                                                               const Handle(Message_ProgressIndicator)& aProgInd = Handle(Message_ProgressIndicator)());
 
+  Standard_EXPORT static void ReadFile(const Standard_CString theFile, NCollection_Sequence<Handle(Poly_Triangulation)>& theTriangList);
+
   //! Read triangulation from a binary STL file
   //! In case of error, returns Null handle.
   Standard_EXPORT static Handle(Poly_Triangulation) ReadBinary (const OSD_Path& thePath,

src/RWStl/RWStl_Reader.cxx

@@ -126,7 +126,8 @@ namespace
 //==============================================================================
 
 Standard_Boolean RWStl_Reader::Read (const char* theFile,
-                                     const Handle(Message_ProgressIndicator)& theProgress)
+                                     const Handle(Message_ProgressIndicator)& theProgress,
+                                     bool IsMultiSolid)
 {
   std::filebuf aBuf;
   OSD_OpenStream (aBuf, theFile, std::ios::in | std::ios::binary);
@@ -165,6 +166,8 @@ Standard_Boolean RWStl_Reader::Read (const char* theFile,
       }
     }
     aStream >> std::ws; // skip any white spaces
+    if (IsMultiSolid)
+      AddSolid();
   }
   return ! aStream.fail();
 }

src/RWStl/RWStl_Reader.hxx

@@ -39,7 +39,8 @@ public:
   //! Format is recognized automatically by analysis of the file header.
   //! Returns true if success, false on error or user break.
   Standard_EXPORT Standard_Boolean Read (const char* theFile,
-                                         const Handle(Message_ProgressIndicator)& theProgress);
+                                         const Handle(Message_ProgressIndicator)& theProgress,
+                                         bool IsMultiSolid = false);
 
   //! Guess whether the stream is an Ascii STL file, by analysis of the first bytes (~200).
   //! The function attempts to put back the read symbols to the stream which thus must support ungetc().
@@ -74,6 +75,8 @@ public:
   //! Should create new triangle built on specified nodes in the target model.
   virtual void AddTriangle (Standard_Integer theN1, Standard_Integer theN2, Standard_Integer theN3) = 0;
 
+  virtual void AddSolid() = 0;
+
 };
 
 #endif

src/SelectMgr/SelectMgr_SelectionManager.cxx

@@ -185,12 +185,9 @@ void SelectMgr_SelectionManager::Activate (const Handle(SelectMgr_SelectableObje
 void SelectMgr_SelectionManager::Deactivate (const Handle(SelectMgr_SelectableObject)& theObject,
                                              const Standard_Integer theMode)
 {
-  if (theObject->ToPropagateVisualState())
+  for (PrsMgr_ListOfPresentableObjectsIter anChildrenIter (theObject->Children()); anChildrenIter.More(); anChildrenIter.Next())
   {
-    for (PrsMgr_ListOfPresentableObjectsIter anChildrenIter(theObject->Children()); anChildrenIter.More(); anChildrenIter.Next())
-    {
-      Deactivate(Handle(SelectMgr_SelectableObject)::DownCast(anChildrenIter.Value()), theMode);
-    }
+    Deactivate (Handle(SelectMgr_SelectableObject)::DownCast (anChildrenIter.Value()), theMode);
   }
   if (!theObject->HasOwnPresentations())
   {

src/ViewerTest/ViewerTest_ObjectCommands.cxx

@@ -2542,15 +2542,6 @@ static int VDrawText (Draw_Interpretor& theDI,
     {
       aTextPrs->SetFlipping (Standard_True);
     }
-    else if (aParam == "-ownanchor")
-    {
-      if (++anArgIt >= theArgsNb)
-      {
-        std::cout << "Error: wrong number of values for parameter '" << aParam.ToCString() << "'.\n";
-        return 1;
-      }
-      aTextPrs->SetOwnAnchorPoint (Draw::Atoi (theArgVec[anArgIt]) == 1);
-    }
     else if (aParam == "-disptype"
           || aParam == "-displaytype")
     {
@@ -6468,7 +6459,6 @@ void ViewerTest::ObjectCommands(Draw_Interpretor& theCommands)
                    "\n\t\t: [-noupdate]"
                    "\n\t\t: [-plane NormX NormY NormZ DirX DirY DirZ]"
                    "\n\t\t: [-flipping]"
-                   "\n\t\t: [-ownanchor {0|1}=1]"
                    "\n\t\t: Display text label at specified position.",
     __FILE__, VDrawText, group);
 

src/XSDRAWSTLVRML/XSDRAWSTLVRML.cxx

@@ -411,6 +411,22 @@ static Standard_Integer ReadObj (Draw_Interpretor& theDI,
     {
       aFilePath = theArgVec[anArgIter];
     }
+    else if (theArgc == 4 && strcmp("multi", theArgv[3]) == 0)
+    {
+      NCollection_Sequence<Handle(Poly_Triangulation)> theTriangList;
+      RWStl::ReadFile(theArgv[2], theTriangList);
+      BRep_Builder aB;
+      TopoDS_Compound aCmp;
+      aB.MakeCompound(aCmp);
+      for (int i = 1; i <= theTriangList.Length(); i++)
+      { 
+        TopoDS_Face aFace;
+        aB.MakeFace(aFace);
+        aB.UpdateFace(aFace, theTriangList(i));
+        aB.Add(aCmp, aFace);
+      }
+      DBRep::Set(theArgv[1], aCmp);
+    }
     else
     {
       std::cout << "Syntax error at '" << theArgVec[anArgIter] << "'\n";