From cfddf61e776a621185b74d4650a701d06a87d104 Mon Sep 17 00:00:00 2001
From: rnv <rnv@opencascade.com>
Date: Mon, 20 Feb 2012 12:21:17 +0000
Subject: [PATCH] Fix for the "0020314: EDF 993 SMESH : Display bug with
 Volumes created by GHS3D" issue (problem with displaying coincident 3D
 elements).

---
 src/OBJECT/SMESH_Actor.cxx       | 3 +++
 src/OBJECT/SMESH_DeviceActor.cxx | 8 ++++++++
 src/OBJECT/SMESH_DeviceActor.h   | 8 ++++++++
 3 files changed, 19 insertions(+)

diff --git a/src/OBJECT/SMESH_Actor.cxx b/src/OBJECT/SMESH_Actor.cxx
index 7d1ab09d1..ebe8dca8b 100644
--- a/src/OBJECT/SMESH_Actor.cxx
+++ b/src/OBJECT/SMESH_Actor.cxx
@@ -203,6 +203,7 @@ SMESH_ActorDef::SMESH_ActorDef()
   my3DActor->SetProperty(mySurfaceProp);
   my3DActor->SetBackfaceProperty(myBackSurfaceProp);
   my3DActor->SetRepresentation(SMESH_DeviceActor::eSurface);
+  my3DActor->SetCoincident3DAllowed(true);
   aFilter = my3DActor->GetExtractUnstructuredGrid();
   aFilter->SetModeOfChanging(VTKViewer_ExtractUnstructuredGrid::eAdding);
   aFilter->RegisterCellsWithType(VTK_TETRA);
@@ -228,6 +229,7 @@ SMESH_ActorDef::SMESH_ActorDef()
   my3DExtActor->SetProperty(my2DExtProp);
   my3DExtActor->SetBackfaceProperty(my2DExtProp);
   my3DExtActor->SetRepresentation(SMESH_DeviceActor::eSurface);
+  my3DExtActor->SetCoincident3DAllowed(true);
   aFilter = my3DExtActor->GetExtractUnstructuredGrid();
   aFilter->SetModeOfChanging(VTKViewer_ExtractUnstructuredGrid::eAdding);
   aFilter->RegisterCellsWithType(VTK_TETRA);
@@ -411,6 +413,7 @@ SMESH_ActorDef::SMESH_ActorDef()
   myHighlitableActor->SetUserMatrix(aMatrix);
   myHighlitableActor->PickableOff();
   myHighlitableActor->SetRepresentation(SMESH_DeviceActor::eWireframe);
+  myHighlitableActor->SetCoincident3DAllowed(true);
 
   aMatrix->Delete();
 
diff --git a/src/OBJECT/SMESH_DeviceActor.cxx b/src/OBJECT/SMESH_DeviceActor.cxx
index 7e2202460..43bf340cb 100644
--- a/src/OBJECT/SMESH_DeviceActor.cxx
+++ b/src/OBJECT/SMESH_DeviceActor.cxx
@@ -972,3 +972,11 @@ int SMESH_DeviceActor::GetMarkerTexture()
 {
   return myMapper->GetMarkerTexture();
 }
+
+void SMESH_DeviceActor::SetCoincident3DAllowed(bool theFlag) {
+  myGeomFilter->SetAppendCoincident3D(theFlag);
+}
+
+bool SMESH_DeviceActor::IsCoincident3DAllowed() const {
+  return myGeomFilter->GetAppendCoincident3D();
+}
diff --git a/src/OBJECT/SMESH_DeviceActor.h b/src/OBJECT/SMESH_DeviceActor.h
index 00b555cee..e00cbb8e0 100644
--- a/src/OBJECT/SMESH_DeviceActor.h
+++ b/src/OBJECT/SMESH_DeviceActor.h
@@ -130,6 +130,14 @@ class SMESHOBJECT_EXPORT SMESH_DeviceActor: public vtkLODActor{
   bool IsHighlited() { return myIsHighlited;}
   void SetHighlited(bool theIsHighlited);
 
+  virtual
+  void
+  SetCoincident3DAllowed(bool theIsFeatureEdgesAllowed);
+
+  virtual
+  bool 
+  IsCoincident3DAllowed() const;
+
   virtual void Render(vtkRenderer *, vtkMapper *);
 
   void SetImplicitFunctionUsed(bool theIsImplicitFunctionUsed);
-- 
2.30.2