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// File: TopOpeBRepBuild_SplitEdge.hxx
// Created: Tue Sep 12 14:32:37 1995
// Author: Jean Yves LEBEY
// <jyl@meteox>
#ifndef _TopOpeBRepBuild_SplitEdge_HeaderFile
#define _TopOpeBRepBuild_SplitEdge_HeaderFile
//=======================================================================
//function : SplitEdge
//purpose :
//=======================================================================
void TopOpeBRepBuild_Builder::SplitEdge(const TopoDS_Shape& E,
const TopAbs_State ToBuild1,
const TopAbs_State ToBuild2)
{
#ifdef DEB
if ( TopOpeBRepBuild_GetcontextSF2() ) {
SplitEdge2(E,ToBuild1,ToBuild2);
return;
}
#endif
SplitEdge1(E,ToBuild1,ToBuild2);
return;
}
//=======================================================================
//function : SplitEdge1
//purpose :
//=======================================================================
void TopOpeBRepBuild_Builder::SplitEdge1(const TopoDS_Shape& Eoriented,
const TopAbs_State ToBuild1,
const TopAbs_State ToBuild2)
{
// work on a FORWARD edge <Eforward>
TopoDS_Shape Eforward = Eoriented;
Eforward.Orientation(TopAbs_FORWARD);
Standard_Boolean tosplit = ToSplit(Eoriented,ToBuild1);
#ifdef DEB
Standard_Integer iEdge; Standard_Boolean tSPS = GtraceSPS(Eoriented,iEdge);
if(tSPS){
cout<<endl;
GdumpSHASTA(Eoriented,ToBuild1,"--- SplitEdge ");
cout<<endl;
}
#endif
if ( ! tosplit ) return;
Reverse(ToBuild1,ToBuild2);
Reverse(ToBuild2,ToBuild1);
Standard_Boolean ConnectTo1 = Standard_True;
Standard_Boolean ConnectTo2 = Standard_False;
// build the list of edges to split : LE1, LE2
TopTools_ListOfShape LE1,LE2;
LE1.Append(Eforward);
FindSameDomain(LE1,LE2);
#ifdef DEB
if(tSPS){GdumpSAMDOM(LE1, (char *) "1 : ");}
if(tSPS){GdumpSAMDOM(LE2, (char *) "2 : ");}
if(tSPS){cout<<endl;}
if(tSPS){cout<<"V of edge ";TopAbs::Print(Eforward.Orientation(),cout);}
if(tSPS){cout<<endl;}
if(tSPS){GdumpEDG(Eforward);}
#endif
// SplitEdge on a edge having other same domained edges on the
// other shape : do not reverse orientation of edges in FillEdge
// Make a PaveSet <PVS> on edge <Eforward>
TopOpeBRepBuild_PaveSet PVS(Eforward);
// Add the points/vertices found on edge <Eforward> in <PVS>
TopOpeBRepDS_PointIterator EPIT(myDataStructure->EdgePoints(Eforward));
FillVertexSet(EPIT,ToBuild1,PVS);
TopOpeBRepBuild_PaveClassifier VCL(Eforward);
Standard_Boolean equalpar = PVS.HasEqualParameters();
if (equalpar) VCL.SetFirstParameter(PVS.EqualParameters());
// ------------------------------------------
// before return if PVS has no vertices,
// mark <Eforward> as split <ToBuild1>
// ------------------------------------------
MarkSplit(Eforward,ToBuild1);
PVS.InitLoop();
if ( !PVS.MoreLoop() ) {
#ifdef DEB
if(tSPS) {
cout<<"NO VERTEX split "; TopAbs::Print(ToBuild1,cout);cout<<endl;
}
#endif
return;
}
// build the new edges
TopOpeBRepBuild_EdgeBuilder EBU(PVS,VCL);
// Build the new edges
// -------------------
TopTools_ListOfShape& EdgeList = ChangeMerged(Eforward,ToBuild1);
MakeEdges(Eforward,EBU,EdgeList);
TopTools_ListIteratorOfListOfShape itLE1,itLE2;
// connect new edges as edges built <ToBuild1> on LE1 edge
// --------------------------------------------------------
for (itLE1.Initialize(LE1); itLE1.More(); itLE1.Next()) {
TopoDS_Shape Ecur = itLE1.Value();
MarkSplit(Ecur,ToBuild1);
TopTools_ListOfShape& EL = ChangeSplit(Ecur,ToBuild1);
if ( ConnectTo1 ) EL = EdgeList;
}
// connect new edges as edges built <ToBuild2> on LE2 edges
// --------------------------------------------------------
for (itLE2.Initialize(LE2); itLE2.More(); itLE2.Next()) {
TopoDS_Shape Ecur = itLE2.Value();
MarkSplit(Ecur,ToBuild2);
TopTools_ListOfShape& EL = ChangeSplit(Ecur,ToBuild2);
if ( ConnectTo2 ) EL = EdgeList;
}
} // SplitEdge1
//=======================================================================
//function : SplitEdge2
//purpose :
//=======================================================================
void TopOpeBRepBuild_Builder::SplitEdge2(const TopoDS_Shape& Eoriented,
const TopAbs_State ToBuild1,
const TopAbs_State /*ToBuild2*/)
{
Standard_Boolean tosplit = ToSplit(Eoriented,ToBuild1);
if ( ! tosplit ) return;
// work on a FORWARD edge <Eforward>
TopoDS_Shape Eforward = Eoriented;
myBuildTool.Orientation(Eforward,TopAbs_FORWARD);
#ifdef DEB
Standard_Integer iEdge; Standard_Boolean tSPS = GtraceSPS(Eoriented,iEdge);
if(tSPS){cout<<endl;}
if(tSPS){GdumpSHASTA(Eoriented,ToBuild1,"--- SplitEdge2 ");}
#endif
// Make a PaveSet <PVS> on edge <Eforward>
// Add the points/vertices found on edge <Eforward> in <PVS>
TopOpeBRepBuild_PaveSet PVS(Eforward);
TopOpeBRepDS_PointIterator EPIT(myDataStructure->EdgePoints(Eforward));
FillVertexSet(EPIT,ToBuild1,PVS);
TopOpeBRepBuild_PaveClassifier VCL(Eforward);
Standard_Boolean equalpar = PVS.HasEqualParameters();
if (equalpar) VCL.SetFirstParameter(PVS.EqualParameters());
// ------------------------------------------
// before return if PVS has no vertices,
// mark <Eforward> as split <ToBuild1>
// ------------------------------------------
MarkSplit(Eforward,ToBuild1);
PVS.InitLoop();
if ( !PVS.MoreLoop() ) {
#ifdef DEB
if(tSPS) {cout<<"NO VERTEX split ";TopAbs::Print(ToBuild1,cout);cout<<endl;}
#endif
return;
}
// build the new edges
TopOpeBRepBuild_EdgeBuilder EBU(PVS,VCL);
// connect the new edges as split parts <ToBuild1> built on <Eforward>
TopTools_ListOfShape& EL = ChangeSplit(Eforward,ToBuild1);
MakeEdges(Eforward,EBU,EL);
} // SplitEdge2
//#ifndef _TopOpeBRepBuild_SplitEdge_HeaderFile
#endif
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