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0022726: Exception on restoring shape

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This commit is contained in:
KGV 2011-11-18 14:33:55 +00:00 committed by bugmaster
parent eb901da610
commit ffe74e4685
1 changed files with 81 additions and 64 deletions
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145
src/DBRep/DBRep_IsoBuilder.cxx
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@ -89,82 +89,99 @@ DBRep_IsoBuilder::DBRep_IsoBuilder (const TopoDS_Face& TopologicalFace,
// Retreiving the edges and loading them into the hatcher.
//-----------------------------------------------------------------------
TopExp_Explorer ExpEdges ;
for (ExpEdges.Init (TopologicalFace, TopAbs_EDGE) ; ExpEdges.More() ; ExpEdges.Next()) {
const TopoDS_Edge& TopologicalEdge = TopoDS::Edge (ExpEdges.Current()) ;
Standard_Real U1, U2 ;
const Handle(Geom2d_Curve) PCurve = BRep_Tool::CurveOnSurface (TopologicalEdge, TopologicalFace, U1, U2) ;
TopExp_Explorer ExpEdges;
for (ExpEdges.Init (TopologicalFace, TopAbs_EDGE); ExpEdges.More(); ExpEdges.Next())
{
const TopoDS_Edge& TopologicalEdge = TopoDS::Edge (ExpEdges.Current());
Standard_Real U1, U2;
const Handle(Geom2d_Curve) PCurve = BRep_Tool::CurveOnSurface (TopologicalEdge, TopologicalFace, U1, U2);
if ( PCurve.IsNull() ) {
#ifdef DEB
cout<<"DBRep_IsoBuilder : PCurve nulle"<<endl;
#endif
if (PCurve.IsNull())
{
#ifdef DEB
cout << "DBRep_IsoBuilder : PCurve is null\n";
#endif
return;
}
if ( U1==U2) {
#ifdef DEB
cout<<"DBRep_IsoBuilder PCurve : U1==U2"<<endl;
#endif
else if (U1 == U2)
{
#ifdef DEB
cout << "DBRep_IsoBuilder PCurve : U1==U2\n";
#endif
return;
}
//-- Test if a TrimmedCurve is necessary
if( Abs(PCurve->FirstParameter()-U1)<= Precision::PConfusion()
&& Abs(PCurve->LastParameter()-U2)<= Precision::PConfusion()) {
#ifdef DEB
Standard_Integer IndE =
#endif
AddElement (PCurve, TopologicalEdge.Orientation()) ;
if (Abs(PCurve->FirstParameter()-U1)<= Precision::PConfusion()
&& Abs(PCurve->LastParameter()-U2)<= Precision::PConfusion())
{
AddElement (PCurve, TopologicalEdge.Orientation());
}
else {
if (!PCurve->IsPeriodic()) {
Handle (Geom2d_TrimmedCurve) TrimPCurve =Handle(Geom2d_TrimmedCurve)::DownCast(PCurve);
if (!TrimPCurve.IsNull()) {
if (TrimPCurve->BasisCurve()->FirstParameter()-U1 > Precision::PConfusion() ||
U2-TrimPCurve->BasisCurve()->LastParameter() > Precision::PConfusion()) {
#ifdef DEB
Standard_Integer IndE =
#endif
AddElement (PCurve, TopologicalEdge.Orientation()) ;
#ifdef DEB
cout<<"DBRep_IsoBuilder TrimPCurve : parameters out of range "<<endl;
cout<<" U1("<<U1<<"), Umin("<<PCurve->FirstParameter()
<<"), U2("<<U2<<"), Umax("<<PCurve->LastParameter()<<")"<<endl;
#endif
return;
}
}
else {
if (PCurve->FirstParameter()-U1 > Precision::PConfusion()){
#ifdef DEB
cout<<"DBRep_IsoBuilder PCurve : U1 parameters out of range "<<endl;
cout<<" U1("<<U1<<"), Umin("<<PCurve->FirstParameter()<<")"<<endl;
#endif
U1=PCurve->FirstParameter();
}
if (U2-PCurve->LastParameter() > Precision::PConfusion()){
#ifdef DEB
cout<<"DBRep_IsoBuilder PCurve : U2 parameters out of range "<<endl;
cout<<" U2("<<U2<<"), Umax("<<PCurve->LastParameter()<<")"<<endl;
#endif
U2=PCurve->LastParameter();
}
}
else
{
if (!PCurve->IsPeriodic())
{
Handle (Geom2d_TrimmedCurve) TrimPCurve = Handle(Geom2d_TrimmedCurve)::DownCast (PCurve);
if (!TrimPCurve.IsNull())
{
if (TrimPCurve->BasisCurve()->FirstParameter() - U1 > Precision::PConfusion() ||
TrimPCurve->BasisCurve()->FirstParameter() - U2 > Precision::PConfusion() ||
U1 - TrimPCurve->BasisCurve()->LastParameter() > Precision::PConfusion() ||
U2 - TrimPCurve->BasisCurve()->LastParameter() > Precision::PConfusion())
{
AddElement (PCurve, TopologicalEdge.Orientation());
#ifdef DEB
cout << "DBRep_IsoBuilder TrimPCurve : parameters out of range\n";
cout << " U1(" << U1 << "), Umin(" << PCurve->FirstParameter()
<< "), U2(" << U2 << "), Umax(" << PCurve->LastParameter() << ")\n";
#endif
return;
}
}
else
{
if (PCurve->FirstParameter() - U1 > Precision::PConfusion())
{
#ifdef DEB
cout << "DBRep_IsoBuilder PCurve : parameters out of range\n";
cout << " U1(" << U1 << "), Umin(" << PCurve->FirstParameter() << ")\n";
#endif
U1 = PCurve->FirstParameter();
}
if (PCurve->FirstParameter() - U2 > Precision::PConfusion())
{
#ifdef DEB
cout << "DBRep_IsoBuilder PCurve : parameters out of range\n";
cout << " U2(" << U2 << "), Umin(" << PCurve->FirstParameter() << ")\n";
#endif
U2 = PCurve->FirstParameter();
}
if (U1 - PCurve->LastParameter() > Precision::PConfusion())
{
#ifdef DEB
cout << "DBRep_IsoBuilder PCurve : parameters out of range\n";
cout << " U1(" << U1 << "), Umax(" << PCurve->LastParameter() << ")\n";
#endif
U1 = PCurve->LastParameter();
}
if (U2 - PCurve->LastParameter() > Precision::PConfusion())
{
#ifdef DEB
cout << "DBRep_IsoBuilder PCurve : parameters out of range\n";
cout << " U2(" << U2 << "), Umax(" << PCurve->LastParameter() << ")\n";
#endif
U2 = PCurve->LastParameter();
}
}
}
//if U1 and U2 coincide-->do nothing
if (Abs(U1-U2) <= Precision::PConfusion()) continue;
Handle (Geom2d_TrimmedCurve) TrimPCurve = new Geom2d_TrimmedCurve (PCurve, U1, U2) ;
#ifdef DEB
Standard_Integer IndE =
#endif
AddElement (TrimPCurve, TopologicalEdge.Orientation()) ;
// if U1 and U2 coincide-->do nothing
if (Abs (U1 - U2) <= Precision::PConfusion()) continue;
Handle (Geom2d_TrimmedCurve) TrimPCurve = new Geom2d_TrimmedCurve (PCurve, U1, U2);
AddElement (TrimPCurve, TopologicalEdge.Orientation());
}
}
//-----------------------------------------------------------------------
// Loading and trimming the hatchings.
//-----------------------------------------------------------------------