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0023982: Wire explorer raises exception
Add test case for this fix
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ifv
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80482e0178
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a0f8845f56
@ -353,21 +353,21 @@ void BRepTools_WireExplorer::Next()
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aNextPC = BRep_Tool::CurveOnSurface(aNextEdge, myFace, aPar21, aPar22);
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if (aPrevPC.IsNull() || aNextPC.IsNull()) {
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myEdge = TopoDS_Edge();
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return;
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myEdge = TopoDS_Edge();
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return;
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}
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if (myEdge.Orientation() == TopAbs_FORWARD)
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aPrevPar = aPar12;
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aPrevPar = aPar12;
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else
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aPrevPar = aPar11;
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aPrevPar = aPar11;
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if (aNextEdge.Orientation() == TopAbs_FORWARD) {
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aNextFPar = aPar21;
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aNextLPar = aPar22;
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aNextFPar = aPar21;
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aNextLPar = aPar22;
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} else {
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aNextFPar = aPar22;
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aNextLPar = aPar21;
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aNextFPar = aPar22;
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aNextLPar = aPar21;
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}
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gp_Pnt2d aPPrev = aPrevPC->Value(aPrevPar);
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@ -375,8 +375,8 @@ void BRepTools_WireExplorer::Next()
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gp_Pnt2d aPNextL = aNextPC->Value(aNextLPar);
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if (aPPrev.SquareDistance(aPNextF) > aPPrev.SquareDistance(aPNextL)) {
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myEdge = TopoDS_Edge();
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return;
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myEdge = TopoDS_Edge();
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return;
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}
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}
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// Modified by Sergey KHROMOV - Fri Jun 21 11:08:16 2002 End
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@ -390,177 +390,194 @@ void BRepTools_WireExplorer::Next()
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// At first degenerated edges.
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TopoDS_Edge E = myEdge;
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if (SelectDegenerated(l,E)) {
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myEdge = E;
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return;
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myEdge = E;
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return;
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}
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// At second double edges.
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E = myEdge;
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if (SelectDouble(myDoubles,l,E)) {
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myEdge = E;
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return;
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myEdge = E;
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return;
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}
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TopTools_ListIteratorOfListOfShape it(l);
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Standard_Boolean notfound = Standard_True;
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while (it.More()) {
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if (!it.Value().IsSame(myEdge)) {
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myEdge = TopoDS::Edge(it.Value());
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l.Remove(it);
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notfound = Standard_False;
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break;
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}
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it.Next();
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if (!it.Value().IsSame(myEdge)) {
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myEdge = TopoDS::Edge(it.Value());
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l.Remove(it);
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notfound = Standard_False;
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break;
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}
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it.Next();
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}
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if(notfound) {
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myEdge = TopoDS_Edge();
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return;
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myEdge = TopoDS_Edge();
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return;
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}
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}
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else
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{
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// If we have more than one edge attached to the list
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// probably wire that we explore contains a loop or loops.
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Standard_Real dfFPar = 0., dfLPar = 0.;
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Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface (myEdge, myFace, dfFPar, dfLPar);
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if(aPCurve.IsNull())
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{
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// If we have more than one edge attached to the list
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// probably wire that we explore contains a loop or loops.
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Standard_Real dfFPar = 0., dfLPar = 0.;
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Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface (myEdge, myFace, dfFPar, dfLPar);
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if(aPCurve.IsNull())
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{
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myEdge = TopoDS_Edge();
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return;
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}
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// Note: current < myVertex > which is last on < myEdge >
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// equals in 2D to following 2D points:
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// edge is FORWARD - point with MAX parameter on PCurve;
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// edge is REVERSED - point with MIN parameter on PCurve.
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myEdge = TopoDS_Edge();
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return;
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}
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// Note: current < myVertex > which is last on < myEdge >
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// equals in 2D to following 2D points:
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// edge is FORWARD - point with MAX parameter on PCurve;
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// edge is REVERSED - point with MIN parameter on PCurve.
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// Get 2D point equals to < myVertex > in 2D for current edge.
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gp_Pnt2d PRef;
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if( myEdge.Orientation() == TopAbs_REVERSED )
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aPCurve->D0(dfFPar, PRef);
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else
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aPCurve->D0(dfLPar, PRef);
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// Get 2D point equals to < myVertex > in 2D for current edge.
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gp_Pnt2d PRef;
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if( myEdge.Orientation() == TopAbs_REVERSED )
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aPCurve->D0(dfFPar, PRef);
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else
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aPCurve->D0(dfLPar, PRef);
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// Get next 2D point from current edge's PCurve with parameter
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// F + dP (REV) or L - dP (FOR)
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Standard_Boolean isrevese = ( myEdge.Orientation() == TopAbs_REVERSED );
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Standard_Real dfMPar = GetNextParamOnPC(aPCurve,PRef,dfFPar,dfLPar,myTolU,myTolV,isrevese);
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// Get next 2D point from current edge's PCurve with parameter
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// F + dP (REV) or L - dP (FOR)
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Standard_Boolean isrevese = ( myEdge.Orientation() == TopAbs_REVERSED );
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Standard_Real dfMPar = GetNextParamOnPC(aPCurve,PRef,dfFPar,dfLPar,myTolU,myTolV,isrevese);
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gp_Pnt2d PRefm;
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aPCurve->D0(dfMPar, PRefm);
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// Get vector from PRef to PRefm
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gp_Vec2d anERefDir(PRef,PRefm);
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// Search the list of edges looking for the edge having hearest
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// 2D point of connected vertex to current one and smallest angle.
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// First process all degenerated edges, then - all others.
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gp_Pnt2d PRefm;
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aPCurve->D0(dfMPar, PRefm);
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// Get vector from PRef to PRefm
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gp_Vec2d anERefDir(PRef,PRefm);
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// Search the list of edges looking for the edge having hearest
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// 2D point of connected vertex to current one and smallest angle.
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// First process all degenerated edges, then - all others.
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TopTools_ListIteratorOfListOfShape it;
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Standard_Integer k = 1, kMin = 0, iDone = 0;
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Standard_Boolean isDegenerated = Standard_True;
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Standard_Real dmin = RealLast();
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Standard_Real dfMinAngle = 3.0*M_PI, dfCurAngle = 3.0*M_PI;
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TopTools_ListIteratorOfListOfShape it;
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Standard_Integer k = 1, kMin = 0, iDone = 0;
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Standard_Boolean isDegenerated = Standard_True;
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Standard_Real dmin = RealLast();
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Standard_Real dfMinAngle = 3.0*M_PI, dfCurAngle = 3.0*M_PI;
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for(iDone = 0; iDone < 2; iDone++)
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{
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it.Initialize(l);
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while( it.More() )
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{
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const TopoDS_Edge& E = TopoDS::Edge(it.Value());
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if( E.IsSame(myEdge) )
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{
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it.Next();
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k++;
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continue;
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}
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TopoDS_Vertex aVert1, aVert2;
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TopExp::Vertices (E, aVert1, aVert2, Standard_True);
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if( aVert1.IsNull() || aVert2.IsNull() )
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{
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it.Next();
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k++;
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continue;
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}
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aPCurve = BRep_Tool::CurveOnSurface (E, myFace, dfFPar, dfLPar);
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if( aPCurve.IsNull() )
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{
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it.Next();
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k++;
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continue;
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}
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gp_Pnt2d aPEb, aPEe;
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if( aVert1.IsSame(aVert2) == isDegenerated )
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{
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if( E.Orientation() == TopAbs_REVERSED )
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aPCurve->D0(dfLPar, aPEb);
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else
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aPCurve->D0(dfFPar, aPEb);
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for(iDone = 0; iDone < 2; iDone++)
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{
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it.Initialize(l);
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while( it.More() )
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{
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const TopoDS_Edge& E = TopoDS::Edge(it.Value());
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if( E.IsSame(myEdge) )
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{
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it.Next();
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k++;
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continue;
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}
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TopoDS_Vertex aVert1, aVert2;
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TopExp::Vertices (E, aVert1, aVert2, Standard_True);
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if( aVert1.IsNull() || aVert2.IsNull() )
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{
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it.Next();
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k++;
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continue;
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}
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aPCurve = BRep_Tool::CurveOnSurface (E, myFace, dfFPar, dfLPar);
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if( aPCurve.IsNull() )
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{
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it.Next();
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k++;
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continue;
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}
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gp_Pnt2d aPEb, aPEe;
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if( aVert1.IsSame(aVert2) == isDegenerated )
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{
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if( E.Orientation() == TopAbs_REVERSED )
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aPCurve->D0(dfLPar, aPEb);
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else
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aPCurve->D0(dfFPar, aPEb);
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if( Abs(dfLPar-dfFPar) > Precision::PConfusion() )
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{
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isrevese = ( E.Orientation() == TopAbs_REVERSED );
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isrevese = !isrevese;
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Standard_Real aEPm = GetNextParamOnPC(aPCurve,aPEb,dfFPar,dfLPar,myTolU,myTolV,isrevese);
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aPCurve->D0 (aEPm, aPEe);
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gp_Vec2d anEDir(aPEb, aPEe);
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dfCurAngle = Abs( anEDir.Angle(anERefDir) );
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}
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if( Abs(dfLPar-dfFPar) > Precision::PConfusion() )
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{
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isrevese = ( E.Orientation() == TopAbs_REVERSED );
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isrevese = !isrevese;
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Standard_Real aEPm = GetNextParamOnPC(aPCurve,aPEb,dfFPar,dfLPar,myTolU,myTolV,isrevese);
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aPCurve->D0 (aEPm, aPEe);
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if(aPEb.SquareDistance(aPEe) <= gp::Resolution())
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{
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//seems to be very short curve
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gp_Vec2d aD;
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aPCurve->D1(aEPm, aPEe, aD);
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if( E.Orientation() == TopAbs_REVERSED )
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aPEe.SetXY(aPEb.XY()-aD.XY());
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else
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aPEe.SetXY(aPEb.XY()+aD.XY());
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if( dfCurAngle <= dfMinAngle )
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{
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Standard_Real d = PRef.SquareDistance(aPEb);
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if( d <= Precision::PConfusion() )
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d = 0.;
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if( Abs(aPEb.X()-PRef.X()) < myTolU && Abs(aPEb.Y()-PRef.Y()) < myTolV )
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{
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if( d <= dmin )
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{
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dfMinAngle = dfCurAngle;
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kMin = k;
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dmin = d;
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}
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}
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}
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}
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it.Next();
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k++;
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}// while it
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if(aPEb.SquareDistance(aPEe) <= gp::Resolution())
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{
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it.Next();
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k++;
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continue;
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}
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}
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gp_Vec2d anEDir(aPEb, aPEe);
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dfCurAngle = Abs( anEDir.Angle(anERefDir) );
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}
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if( kMin == 0 )
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{
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isDegenerated = Standard_False;
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k = 1;
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dmin = RealLast();
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}
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else
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break;
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}// for iDone
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if( dfCurAngle <= dfMinAngle )
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{
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Standard_Real d = PRef.SquareDistance(aPEb);
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if( d <= Precision::PConfusion() )
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d = 0.;
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if( Abs(aPEb.X()-PRef.X()) < myTolU && Abs(aPEb.Y()-PRef.Y()) < myTolV )
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{
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if( d <= dmin )
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{
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dfMinAngle = dfCurAngle;
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kMin = k;
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dmin = d;
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}
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}
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}
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}
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it.Next();
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k++;
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}// while it
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if(kMin == 0)
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{
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// probably unclosed in 2d space wire
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myEdge = TopoDS_Edge();
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return;
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}
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if( kMin == 0 )
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{
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isDegenerated = Standard_False;
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k = 1;
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dmin = RealLast();
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}
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else
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break;
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}// for iDone
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// Selection the edge.
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it.Initialize(l);
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k = 1;
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while( it.More() )
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{
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if( k == kMin )
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{
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myEdge = TopoDS::Edge(it.Value());
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l.Remove(it);
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break;
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}
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it.Next();
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k++;
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}
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}//else face != NULL && l > 1
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if(kMin == 0)
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{
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// probably unclosed in 2d space wire
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myEdge = TopoDS_Edge();
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return;
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}
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// Selection the edge.
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it.Initialize(l);
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k = 1;
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while( it.More() )
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{
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if( k == kMin )
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{
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myEdge = TopoDS::Edge(it.Value());
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l.Remove(it);
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break;
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}
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it.Next();
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k++;
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}
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}//else face != NULL && l > 1
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}//else l > 1
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}
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13
tests/bugs/moddata_3/bug23982
Executable file
13
tests/bugs/moddata_3/bug23982
Executable file
@ -0,0 +1,13 @@
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puts "================"
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puts "OCC23982"
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puts "================"
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puts ""
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#######################################################
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## Wire explorer raises exception
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#######################################################
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restore [locate_data_file bug23982_Cowl_965.brep] result
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explode result w
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wexplo result_1 result
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