Integration of OCCT 6.5.0 from SVN

src/TopOpeBRepBuild/TopOpeBRepBuild_BuildEdges.cxx

@@ -0,0 +1,150 @@
+// File:	TopOpeBRepBuild_BuildEdges.cxx
+// Created:	Mon Jun 14 11:48:36 1993
+// Author:	Jean Yves LEBEY
+//		<jyl@zerox>
+
+#include <TopOpeBRepBuild_Builder.jxx>
+#include <TColStd_HArray1OfInteger.hxx>
+#include <TopOpeBRepDS_CurveExplorer.hxx>
+#include <TopOpeBRepDS_Curve.hxx>
+#include <TopoDS.hxx>
+#include <TopOpeBRepBuild_define.hxx>
+
+#ifdef DEB
+Standard_IMPORT Standard_Boolean TopOpeBRepBuild_GettraceCU();
+#endif
+
+//=======================================================================
+//function : BuildEdges
+//purpose  : 
+//=======================================================================
+void TopOpeBRepBuild_Builder::BuildEdges(const Standard_Integer iC,const Handle(TopOpeBRepDS_HDataStructure)& HDS)
+{
+#ifdef DEB
+  if (TopOpeBRepBuild_GettraceCU()) cout<<"\nBuildEdges on C "<<iC<<endl;
+#endif
+  const TopOpeBRepDS_Curve& C = HDS->Curve(iC);
+  const Handle(Geom_Curve)& C3D = C.Curve(); 
+  const Handle(TopOpeBRepDS_Interference)& I1 = C.GetSCI1();
+  const Handle(TopOpeBRepDS_Interference)& I2 = C.GetSCI2();
+  Standard_Boolean nnn = C3D.IsNull() && I1.IsNull() && I2.IsNull();
+  if (nnn) {
+    return;
+  }
+  
+  TopoDS_Shape anEdge;
+  const TopOpeBRepDS_Curve& curC = HDS->Curve(iC);
+  myBuildTool.MakeEdge(anEdge,curC,HDS->DS());
+  TopOpeBRepBuild_PaveSet PVS(anEdge);
+  TopOpeBRepDS_PointIterator CPIT(HDS->CurvePoints(iC));
+  FillVertexSet(CPIT,TopAbs_IN,PVS);
+  TopOpeBRepBuild_PaveClassifier VCL(anEdge);
+  Standard_Boolean equalpar = PVS.HasEqualParameters();
+  if (equalpar) VCL.SetFirstParameter(PVS.EqualParameters());
+  Standard_Boolean closvert = PVS.ClosedVertices();
+  VCL.ClosedVertices(closvert);  
+  PVS.InitLoop();
+  if ( !PVS.MoreLoop() ) {
+    return;
+  }
+  TopOpeBRepBuild_EdgeBuilder EDBU(PVS,VCL);
+  TopTools_ListOfShape& EL = ChangeNewEdges(iC);
+  MakeEdges(anEdge,EDBU,EL);
+  TopTools_ListIteratorOfListOfShape It(EL);
+  Standard_Integer inewC = -1;
+  for (; It.More(); It.Next()) {
+    TopoDS_Edge& newEdge = TopoDS::Edge(It.Value());
+    myBuildTool.RecomputeCurves(curC,TopoDS::Edge(anEdge),newEdge,inewC,HDS);
+    if (inewC != -1) ChangeNewEdges(inewC).Append(newEdge);
+  }
+  if (inewC != -1) {
+    HDS->RemoveCurve(iC);
+  }
+  else {
+    for (It.Initialize(EL);It.More();It.Next()) {
+      TopoDS_Edge& newEdge = TopoDS::Edge(It.Value());
+      myBuildTool.UpdateEdge(anEdge,newEdge);
+    }
+  }
+}
+
+//=======================================================================
+//function : BuildEdges
+//purpose  : 
+//=======================================================================
+void TopOpeBRepBuild_Builder::BuildEdges(const Handle(TopOpeBRepDS_HDataStructure)& HDS)
+{
+  TopOpeBRepDS_DataStructure& BDS = HDS->ChangeDS();
+
+  myNewEdges.Clear();
+  Standard_Integer nc = BDS.NbCurves();
+  TopOpeBRepDS_CurveExplorer cex;
+
+  Standard_Integer ick = 0;
+  for (cex.Init(BDS,Standard_False); cex.More(); cex.Next()) {
+    Standard_Integer ic = cex.Index();
+    Standard_Boolean ck = cex.IsCurveKeep(ic);
+    Standard_Integer im = cex.Curve(ic).Mother();
+    if (ck == 1 && im != 0 && ick == 0) { ick = ic; break; }
+  }
+  if (ick) {
+    for (cex.Init(BDS,Standard_True); cex.More(); cex.Next()) {
+      Standard_Integer ic = cex.Index();
+      BDS.RemoveCurve(ic);
+    }
+    BDS.ChangeNbCurves(ick-1);
+  }
+
+  nc = BDS.NbCurves();
+  for (cex.Init(BDS,Standard_False); cex.More(); cex.Next()) {
+    Standard_Integer ic = cex.Index();
+    Standard_Integer im = cex.Curve(ic).Mother();
+    if (im != 0 ) continue;
+    BuildEdges(ic,HDS);
+  }
+
+  Standard_Integer ip, np = HDS->NbPoints();
+  TColStd_HArray1OfInteger tp(0,np,0);
+  for (cex.Init(BDS); cex.More(); cex.Next()) {
+#ifdef DEB
+//    const TopOpeBRepDS_Curve& C = cex.Curve();
+#endif
+    Standard_Integer ic = cex.Index();
+    TopOpeBRepDS_ListIteratorOfListOfInterference it(BDS.CurveInterferences(ic));
+    for(;it.More();it.Next()) {
+      const Handle(TopOpeBRepDS_Interference)& I = it.Value();
+      {
+        Standard_Integer ig = I->Geometry();
+        TopOpeBRepDS_Kind kg = I->GeometryType();
+        if (kg == TopOpeBRepDS_POINT && ig <= np) tp.ChangeValue(ig) = tp.Value(ig) + 1;
+      }
+      {
+        Standard_Integer is = I->Support();
+        TopOpeBRepDS_Kind ks = I->SupportType();
+        if (ks == TopOpeBRepDS_POINT) tp.ChangeValue(is) = tp.Value(is) + 1;
+      }
+    }
+  }
+  Standard_Integer is, ns = BDS.NbShapes();
+  for (is = 1; is <= ns; is++ ) {
+    const TopoDS_Shape& S = BDS.Shape(is);
+    if(S.IsNull()) continue;
+    Standard_Boolean test = (S.ShapeType() == TopAbs_EDGE); 
+    if ( !test ) continue;
+    TopOpeBRepDS_ListIteratorOfListOfInterference it(BDS.ShapeInterferences(is));
+    for(;it.More();it.Next()) {
+      const Handle(TopOpeBRepDS_Interference)& I = it.Value(); 
+      {
+        Standard_Integer ig = I->Geometry();
+        TopOpeBRepDS_Kind kg = I->GeometryType();
+        if (kg == TopOpeBRepDS_POINT) tp.ChangeValue(ig) = tp.Value(ig) + 1;
+      }
+      {
+        Standard_Integer is1 = I->Support();
+        TopOpeBRepDS_Kind ks = I->SupportType();
+       if (ks == TopOpeBRepDS_POINT) tp.ChangeValue(is1) = tp.Value(is1) + 1;
+      }
+    }
+  }
+  for (ip = 1; ip <= np; ip++) if (tp.Value(ip) == 0) BDS.RemovePoint(ip);
+}