0021858: Visualization hangs on attached face

src/BRepMesh/BRepMesh_VertexInspector.hxx

@@ -0,0 +1,132 @@
+// File:        BRepMesh_VertexInspector.hxx
+// Created:     Jun 1 18:13:23 2011
+// Author:      Oleg AGASHIN
+// Copyright:   Open CASCADE SAS 2011
+
+
+#ifndef _BRepMesh_VertexInspector_HeaderFile
+#define _BRepMesh_VertexInspector_HeaderFile
+
+#include <BRepMesh_ListOfInteger.hxx> 
+#ifndef _Precision_HeaderFile
+#include <Precision.hxx>
+#endif
+#ifndef _gp_XY_HeaderFile
+#include <gp_XY.hxx>
+#endif
+#ifndef _gp_XYZ_HeaderFile
+#include <gp_XYZ.hxx>
+#endif
+
+#ifndef NCollection_CellFilter_HeaderFile
+#include <NCollection_CellFilter.hxx>
+#endif
+#ifndef _BRepMesh_Vertex_HeaderFile
+#include <BRepMesh_Vertex.hxx>
+#endif
+#ifndef _BRepMesh_VectorOfVertex_HeaderFile
+#include <BRepMesh_VectorOfVertex.hxx>
+#endif
+#ifndef _TColStd_Array1OfReal_HeaderFile
+#include <TColStd_Array1OfReal.hxx>
+#endif
+#include <BRepMesh_BaseAllocator.hxx>
+
+//=======================================================================
+//! The class to find in the coincidence points 
+//=======================================================================
+
+class BRepMesh_VertexInspector : public NCollection_CellFilter_InspectorXY
+{
+public:
+  typedef Standard_Integer Target;
+  //! Constructor; remembers tolerance and collector data structure.
+  //! theTol can be Real or Array1OfReal with two elements which describe
+  //! tolerance for each dimension.
+  BRepMesh_VertexInspector (const Standard_Integer nbComp,
+                            const BRepMesh_BaseAllocator& theAlloc);
+                            
+  BRepMesh_VertexInspector (const Standard_Integer nbComp,
+                            const Standard_Real    theTol,
+                            const BRepMesh_BaseAllocator& theAlloc);
+                            
+  BRepMesh_VertexInspector (const Standard_Integer nbComp,
+                            const Standard_Real    aTolX,
+                            const Standard_Real    aTolY,
+                            const BRepMesh_BaseAllocator& theAlloc);
+
+  Standard_Integer Add(const BRepMesh_Vertex& theVertex);
+  
+  void SetTolerance(const Standard_Real theTol)
+  {
+    myTol(0) = theTol*theTol;
+    myTol(1) = 0.;
+  }
+  
+  void SetTolerance(const Standard_Real theTolX, const Standard_Real theTolY)
+  {
+    myTol(0) = theTolX*theTolX;
+    myTol(1) = theTolY*theTolY;
+  }
+  
+  void Clear()
+  {
+    myVertices.Clear();
+    myDelNodes.Clear();
+  }
+
+  void Delete(const Standard_Integer theIndex)
+  {
+    myVertices(theIndex-1).SetMovability(BRepMesh_Deleted);
+    myDelNodes.Append(theIndex);
+  }
+  
+  Standard_Integer GetNbVertices() const
+  {
+    return myVertices.Length(); 
+  }
+
+  BRepMesh_Vertex& GetVertex(Standard_Integer theInd)
+  {
+    return myVertices(theInd-1);
+  }
+  
+  //! Set current node to be checked
+  void SetCurrent (const gp_XY& theCurVertex, const Standard_Boolean theExactVal = Standard_False) 
+  { 
+    myResInd.Clear();
+    myCurrent = theCurVertex;
+  }
+
+  //!Get result index of node
+  const Standard_Integer GetCoincidentInd() const
+  {
+    if ( myResInd.Size() > 0 )
+    {
+      return myResInd.First();
+    }
+    return 0;
+  }
+  
+  const BRepMesh_ListOfInteger& GetListOfDelNodes() const
+  {
+    return myDelNodes;
+  }
+
+  //! Implementation of inspection method
+  NCollection_CellFilter_Action Inspect (const Standard_Integer theTarget); 
+
+  static Standard_Boolean IsEqual (Standard_Integer theIdx, const Standard_Integer theTarget)
+  {
+    return (theIdx == theTarget);
+  }
+
+private:
+  TColStd_Array1OfReal                 myTol;
+  BRepMesh_ListOfInteger               myResInd;
+  BRepMesh_VectorOfVertex              myVertices;
+  BRepMesh_ListOfInteger               myDelNodes;
+  gp_XY                                myCurrent;
+};
+
+#endif