0022769: Optimization of sewing algorithm

src/BRepBuilderAPI/BRepBuilderAPI_VertexInspector.hxx

@@ -0,0 +1,79 @@
+// File:        BRepBuilderAPI_VertexInspector.hxx
+// Created:     Nov 24 16:48:12 2011
+// Author:      ANNA MASALSKAYA
+// Copyright:   Open CASCADE SAS 2011
+
+#ifndef _BRepBuilderAPI_VertexInspector_Header
+#define _BRepBuilderAPI_VertexInspector_Header
+
+#ifndef _TColStd_ListOfInteger_HeaderFile
+#include <TColStd_ListOfInteger.hxx>
+#endif
+#ifndef NCollection_Vector_HeaderFile
+#include <NCollection_Vector.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
+
+typedef NCollection_Vector<gp_XYZ> VectorOfPoint;
+
+//=======================================================================
+//! Class BRepBuilderAPI_VertexInspector 
+//!   derived from NCollection_CellFilter_InspectorXYZ
+//!   This class define the Inspector interface for CellFilter algorithm, 
+//!   working with gp_XYZ points in 3d space.
+//!   Used in search of coincidence points with a certain tolerance.
+//=======================================================================
+
+class BRepBuilderAPI_VertexInspector : public NCollection_CellFilter_InspectorXYZ
+{
+public:
+  typedef Standard_Integer Target;
+  //! Constructor; remembers the tolerance
+  BRepBuilderAPI_VertexInspector (const Standard_Real theTol)
+                                  : myTol(theTol*theTol)
+  {}
+
+  //! Keep the points used for comparison
+  void Add (const gp_XYZ& thePnt)
+  {
+    myPoints.Append (thePnt);
+  }
+  
+  //! Clear the list of adjacent points
+  void ClearResList()
+  {
+    myResInd.Clear();
+  }
+  
+  //! Set current point to search for coincidence
+  void SetCurrent (const gp_XYZ& theCurPnt) 
+  { 
+    myCurrent = theCurPnt;
+  }
+
+  //! Get list of indexes of points adjacent with the current
+  const TColStd_ListOfInteger& ResInd()
+  {
+    return myResInd;
+  }
+
+  //! Implementation of inspection method
+  NCollection_CellFilter_Action Inspect (const Standard_Integer theTarget); 
+
+private:
+  Standard_Real myTol;
+  TColStd_ListOfInteger myResInd;
+  VectorOfPoint myPoints;
+  gp_XYZ myCurrent;
+};
+
+#endif