NMTTools_PaveFiller_9.cxx

   1 // File:        NMTTools_PaveFiller_9.cxx
   2 // Created:     Fri Dec 19 11:15:53 2003
   3 // Author:      Peter KURNEV
   4 //              <pkv@irinox>
   5
   6 #include <NMTTools_PaveFiller.ixx>
   7
   8 #include <Geom_Surface.hxx>
   9
  10 #include <TopLoc_Location.hxx>
  11 #include <TopAbs_Orientation.hxx>
  12
  13 #include <TopoDS.hxx>
  14 #include <TopoDS_Face.hxx>
  15 #include <TopoDS_Wire.hxx>
  16 #include <TopoDS_Edge.hxx>
  17 #include <TopoDS_Shape.hxx>
  18
  19 #include <BRep_Builder.hxx>
  20 #include <BRep_Tool.hxx>
  21
  22 #include <TopExp_Explorer.hxx>
  23
  24 #include <BOPTools_ListIteratorOfListOfPaveBlock.hxx>
  25 #include <BOPTools_ListOfPaveBlock.hxx>
  26 #include <BOPTools_PaveBlock.hxx>
  27 #include <BOPTools_Tools3D.hxx>
  28
  29 #include <NMTDS_ShapesDataStructure.hxx>
  30
  31 #include <NMTTools_CommonBlockAPI.hxx>
  32 #include <NMTTools_CommonBlock.hxx>
  33
  34
  35 //=======================================================================
  36 // function: PrepareFace
  37 // purpose:
  38 //=======================================================================
  39   void NMTTools_PaveFiller::PrepareFace(const Standard_Integer nF,
  40                                         TopoDS_Face& newFace)
  41 {
  42   Standard_Boolean bToReverse, bIsDegenerated;
  43   Standard_Integer iRankF, nE, nSp, aNbPB;
  44   Standard_Real aTol;
  45   TopLoc_Location aLoc;
  46   TopoDS_Face aF;
  47   TopoDS_Wire newWire;
  48   TopoDS_Edge aSp;
  49   TopAbs_Orientation anOrF, anOrE;
  50   BRep_Builder aBB;
  51   TopExp_Explorer aExpW, aExpE;
  52   BOPTools_ListIteratorOfListOfPaveBlock aItPB;
  53   //
  54   iRankF=myDS->Rank(nF);
  55   aF=TopoDS::Face(myDS->Shape(nF));
  56   anOrF=aF.Orientation();
  57   aF.Orientation(TopAbs_FORWARD);
  58   //
  59   Handle(Geom_Surface) aS=BRep_Tool::Surface(aF, aLoc);
  60   aTol=BRep_Tool::Tolerance(aF);
  61   //
  62   aBB.MakeFace (newFace, aS, aLoc, aTol);
  63   //
  64   aExpW.Init(aF, TopAbs_WIRE);
  65   for (; aExpW.More(); aExpW.Next()) {
  66     const TopoDS_Shape& aW=aExpW.Current();
  67     aBB.MakeWire(newWire);
  68     //
  69     aExpE.Init(aW, TopAbs_EDGE);
  70     for (; aExpE.More(); aExpE.Next()) {
  71       const TopoDS_Edge& aE=TopoDS::Edge(aExpE.Current());
  72       bIsDegenerated=BRep_Tool::Degenerated(aE);
  73       anOrE=aE.Orientation();
  74       //
  75       nE=myDS->ShapeIndex(aE, iRankF);
  76       const BOPTools_ListOfPaveBlock& aLPB=mySplitShapesPool(myDS->RefEdge(nE));
  77       aNbPB=aLPB.Extent();
  78       if (!aNbPB) {
  79         aBB.Add(newWire, aE);
  80         continue;
  81       }
  82       //
  83       aItPB.Initialize(aLPB);
  84       for (; aItPB.More(); aItPB.Next()) {
  85         const BOPTools_PaveBlock& aPB=aItPB.Value();
  86         const BOPTools_PaveBlock& aPBR=RealPaveBlock(aPB);
  87         nSp=aPBR.Edge();
  88         //
  89         aSp=TopoDS::Edge(myDS->Shape(nSp));
  90         if (!bIsDegenerated) {
  91           bToReverse=BOPTools_Tools3D::IsSplitToReverse1(aSp, aE, myContext);
  92           if (bToReverse) {
  93             aSp.Reverse();
  94           }
  95         }
  96         else {
  97          aSp.Orientation(anOrE);
  98         }
  99         aBB.Add(newWire, aSp);
 100       }
 101     }
 102     aBB.Add(newFace, newWire);
 103   }
 104   newFace.Orientation(anOrF);
 105 }