Integration of OCCT 6.5.0 from SVN

src/TopOpeBRepBuild/TopOpeBRepBuild_makesolids.cxx

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+// file:	TopOpeBRepBuild_makesolids.cxx
+// Created:	Thu Mar  7 10:49:33 1996
+// Author:	Jean Yves LEBEY
+//		<jyl@meteox>
+
+#include <TopOpeBRepBuild_Builder.ixx>
+
+#include <BRep_Builder.hxx>
+#include <TopTools_IndexedDataMapOfShapeShape.hxx>
+#include <TopTools_IndexedMapOfOrientedShape.hxx>
+#include <TopExp.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Wire.hxx>
+#include <TopoDS_Compound.hxx>
+#include <BRep_Tool.hxx>
+#include <Geom2d_Curve.hxx>
+#include <Standard_ProgramError.hxx>
+#include <TopOpeBRepTool.hxx>
+#include <TopOpeBRepBuild_define.hxx>
+
+#ifdef DEB
+Standard_IMPORT Standard_Boolean TopOpeBRepDS_GettraceSTRANGE();
+Standard_EXPORT void debgsobu(const Standard_Integer /*iSO*/) {}
+#endif
+
+//=======================================================================
+//function : GSFSMakeSolids
+//purpose  : 
+//=======================================================================
+void TopOpeBRepBuild_Builder::GSFSMakeSolids      
+(const TopoDS_Shape& SOF,TopOpeBRepBuild_ShellFaceSet& SFS,TopTools_ListOfShape& LOSO)
+{
+#ifdef DEB
+  Standard_Integer iSO; Standard_Boolean tSPS = GtraceSPS(SOF,iSO);
+  if(tSPS){GdumpSHA(SOF, (char *) "#--- GSFSMakeSolids ");cout<<endl;}
+#endif
+  
+  Standard_Boolean ForceClass = Standard_True;
+  TopOpeBRepBuild_SolidBuilder SOBU;
+  SOBU.InitSolidBuilder(SFS,ForceClass);
+  GSOBUMakeSolids(SOF,SOBU,LOSO);
+  
+} // GSFSMakeSolids
+
+//=======================================================================
+//function : GSOBUMakeSolids
+//purpose  : 
+//=======================================================================
+void TopOpeBRepBuild_Builder::GSOBUMakeSolids
+(const TopoDS_Shape& SOF,TopOpeBRepBuild_SolidBuilder& SOBU,TopTools_ListOfShape& LOSO)
+{
+#ifdef DEB
+  Standard_Boolean trcso = TopOpeBRepDS_GettraceSTRANGE();
+  Standard_Integer iSO; Standard_Boolean tSPS = GtraceSPS(SOF,iSO);
+  if(tSPS){GdumpSHA(SOF, (char *) "#--- GSOBUMakeSolids ");cout<<endl;}
+  if(tSPS){GdumpSOBU(SOBU);debgsobu(iSO);}
+#endif
+  
+  TopoDS_Shape newSolid;
+  TopoDS_Shape newShell;
+  Standard_Integer nfa = 0;
+  Standard_Integer nsh = 0;
+  SOBU.InitSolid();
+  for (; SOBU.MoreSolid(); SOBU.NextSolid()) {
+
+    myBuildTool.MakeSolid(newSolid);
+    nsh = SOBU.InitShell();
+    for (; SOBU.MoreShell(); SOBU.NextShell()) {
+      Standard_Boolean isold = SOBU.IsOldShell();
+      if (isold) newShell = SOBU.OldShell();
+      else {
+	myBuildTool.MakeShell(newShell);
+	nfa = SOBU.InitFace();
+	for (; SOBU.MoreFace(); SOBU.NextFace()) {
+	  TopoDS_Shape F = SOBU.Face();
+	  myBuildTool.AddShellFace(newShell,F);
+	}
+      }
+      
+      // caractere closed du nouveau shell newShell
+      if ( !isold ) {
+	Standard_Boolean closed = Standard_True;	
+	TopTools_IndexedDataMapOfShapeListOfShape edgemap;
+	TopExp::MapShapesAndAncestors
+	  (newShell,TopAbs_EDGE,TopAbs_FACE,edgemap);
+	Standard_Integer iedge,nedge = edgemap.Extent(); 
+	for (iedge = 1; iedge <= nedge; iedge++) {
+	  const TopoDS_Shape& E = edgemap.FindKey(iedge);
+	  TopAbs_Orientation oE = E.Orientation();
+	  if (oE == TopAbs_INTERNAL || 
+	      oE == TopAbs_EXTERNAL) continue;
+	  const TopoDS_Edge& EE = TopoDS::Edge(E);
+	  Standard_Boolean degen = BRep_Tool::Degenerated(EE);
+	  if (degen) continue;
+	  Standard_Integer nbf = edgemap(iedge).Extent();
+	  if (nbf < 2) {
+	    closed = Standard_False;
+	    break;
+	  }
+	}
+	myBuildTool.Closed(newShell,closed); 
+      } // !isold
+
+      myBuildTool.AddSolidShell(newSolid,newShell);
+
+    }
+
+    TopExp_Explorer ex(newSolid,TopAbs_VERTEX);
+    Standard_Boolean isempty = ex.More();    
+    if (!isempty) {
+#ifdef DEB
+      if (trcso) cout <<"TopOpeBRepBuild_Builder::GSOBUMakeSolids ->EMPTY SOLID\n";
+#endif
+      continue;
+    }
+
+    Standard_Boolean newSolidOK = Standard_True;
+    if (nsh == 1 && nfa == 1) {
+      TopExp_Explorer exp(newSolid,TopAbs_EDGE);
+      Standard_Boolean hasnondegenerated = Standard_False;
+      for(;exp.More(); exp.Next()) {
+	const TopoDS_Edge& e = TopoDS::Edge(exp.Current());
+	if ( !BRep_Tool::Degenerated(e) ) {
+	  hasnondegenerated = Standard_True;
+	  break;
+	}
+      }
+      newSolidOK = hasnondegenerated;
+      if ( !newSolidOK ) continue;
+    }
+
+    TopTools_ListOfShape newSolidLOS;
+    RegularizeSolid(SOF,newSolid,newSolidLOS);
+    LOSO.Append(newSolidLOS);
+//    LOSO.Append(newSolid);
+  }
+} // GSOBUMakeSolids