src/NMTTools/NMTTools_PaveFiller_3.cxx

   1 // File:        NMTTools_PaveFiller_3.cxx
   2 // Created:     Mon Dec  8 16:06:56 2003
   3 // Author:      Peter KURNEV
   4 //              <pkv@irinox>
   5
   6
   7 #include <NMTTools_PaveFiller.ixx>
   8
   9 #include <TopoDS.hxx>
  10 #include <TopoDS_Shape.hxx>
  11 #include <TopoDS_Vertex.hxx>
  12 #include <TopoDS_Face.hxx>
  13
  14 #include <BOPTools_VSInterference.hxx>
  15 #include <BOPTools_CArray1OfVSInterference.hxx>
  16
  17 #include <NMTDS_ShapesDataStructure.hxx>
  18
  19 //=======================================================================
  20 // function: PerformVF
  21 // purpose:
  22 //=======================================================================
  23   void NMTTools_PaveFiller::PerformVF()
  24 {
  25   myIsDone=Standard_False;
  26   //
  27   Standard_Boolean aJustAddInterference;
  28   Standard_Integer n1, n2, anIndexIn, aFlag, aWhat, aWith, aNbVSs, aBlockLength, iSDV;
  29   Standard_Real aU, aV;
  30   TopoDS_Vertex aV1;
  31   TopoDS_Face aF2;
  32   //
  33   BOPTools_CArray1OfVSInterference& aVSs=myIntrPool->VSInterferences();
  34   //
  35   // V/E Interferences
  36   myDSIt.Initialize(TopAbs_VERTEX, TopAbs_FACE);
  37   //
  38   // BlockLength correction
  39   aNbVSs=ExpectedPoolLength();
  40   aBlockLength=aVSs.BlockLength();
  41   if (aNbVSs > aBlockLength) {
  42     aVSs.SetBlockLength(aNbVSs);
  43   }
  44   //
  45   for (; myDSIt.More(); myDSIt.Next()) {
  46     myDSIt.Current(n1, n2, aJustAddInterference);
  47     //
  48     if (! myIntrPool->IsComputed(n1, n2)) {
  49       if (! IsSuccesstorsComputed(n1, n2)) {
  50         anIndexIn=0;
  51         aWhat=n1; // Vertex
  52         aWith=n2; // Face
  53         SortTypes(aWhat, aWith);
  54         //
  55         iSDV=FindSDVertex(aWhat);
  56         //
  57         if(aJustAddInterference) {
  58           myIntrPool->AddInterference(aWhat, aWith, BooleanOperations_VertexSurface, anIndexIn);
  59           continue;
  60         }
  61         //
  62         aV1=TopoDS::Vertex(myDS->Shape(aWhat));
  63         if (iSDV) {
  64           aV1=TopoDS::Vertex(myDS->Shape(iSDV));
  65         }
  66         //
  67         aF2=TopoDS::Face(myDS->Shape(aWith));
  68         //
  69         aFlag=myContext.ComputeVS (aV1, aF2, aU, aV);
  70         //
  71         if (!aFlag) {
  72           //
  73           // Add Interference to the Pool
  74           BOPTools_VSInterference anInterf (aWhat, aWith, aU, aV);
  75           anIndexIn=aVSs.Append(anInterf);
  76           //
  77           // SetState for Vertex in DS;
  78           myDS->SetState (aWhat, BooleanOperations_ON);
  79           // Insert Vertex in Interference Object
  80           BOPTools_VSInterference& aVS=aVSs(anIndexIn);
  81           aVS.SetNewShape(aWhat);
  82         }
  83         myIntrPool->AddInterference(aWhat, aWith, BooleanOperations_VertexSurface, anIndexIn);
  84       }
  85     }
  86   }
  87   myIsDone=Standard_True;
  88 }