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Improve RemoveExtraEdges() function. Fix done by SKL.

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jfa 2005-02-01 11:12:39 +00:00
parent b7cff0a4ec
commit 6a52e30ef9
1 changed files with 33 additions and 1 deletions
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34
src/GEOMAlgo/BlockFix_UnionEdges.cxx
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@ -152,13 +152,45 @@ static Standard_Boolean MergeEdges(const TopTools_SequenceOfShape& SeqEdges,
gp_Pnt PV2 = BRep_Tool::Pnt(V2);
TopoDS_Vertex VM = sae.LastVertex(edge1);
gp_Pnt PVM = BRep_Tool::Pnt(VM);
Standard_Boolean IsClosed = Standard_False;
if(V1.IsSame(V2)) {
IsClosed = Standard_True;
TopExp_Explorer expe;
Standard_Boolean HasOtherEdges = Standard_False;
for(expe.Init(aFace, TopAbs_EDGE); expe.More(); expe.Next()) {
TopoDS_Edge Etmp = TopoDS::Edge(expe.Current());
if( Etmp.IsSame(edge1) || Etmp.IsSame(edge2) ) continue;
if( sae.FirstVertex(Etmp).IsSame(V1) ||
sae.LastVertex(Etmp).IsSame(V1) ) {
HasOtherEdges = Standard_True;
break;
}
}
if(HasOtherEdges) {
Standard_Real par = (fp2+lp2)/2.;
c3d2->D0(par,PV2);
}
else {
V1 = sae.FirstVertex(edge2);
PV1 = BRep_Tool::Pnt(V1);
V2 = VM;
VM = sae.LastVertex(edge2);
PVM = BRep_Tool::Pnt(VM);
Standard_Real par = (fp1+lp1)/2.;
c3d1->D0(par,PV2);
}
}
GC_MakeCircle MC(PV1,PVM,PV2);
Handle(Geom_Circle) C = MC.Value();
gp_Pnt P0 = C->Location();
gp_Dir D1(gp_Vec(P0,PV1));
gp_Dir D2(gp_Vec(P0,PV2));
Standard_Real fpar = C->XAxis().Direction().Angle(D1);
Standard_Real lpar = C->XAxis().Direction().Angle(D2);
Standard_Real lpar;
if(IsClosed)
lpar = fpar+2*PI;
else
lpar = C->XAxis().Direction().Angle(D2);
Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(C,fpar,lpar);
TopoDS_Edge E;
B.MakeEdge (E,tc,Precision::Confusion());