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0024126: Crash on fixing the attached shape

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Added the check for an empty list.
Adding test case for issue CR24126
This commit is contained in:
emv
2013-08-29 13:28:02 +04:00
committed by bugmaster
parent c151c0f1f5
commit 0f180c0c18
2 changed files with 24 additions and 5 deletions
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16
src/ShapeFix/ShapeFix_Face.cxx
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@@ -2211,18 +2211,24 @@ Standard_Boolean ShapeFix_Face::FixSplitFace(const TopTools_DataMapOfShapeListOf
TopoDS_Shape S = myFace;
if ( ! Context().IsNull() )
S = Context()->Apply ( myFace );
Standard_Integer NbWires=0, NbWiresNew=0;
Standard_Integer NbWires=0, NbWiresNew=0, NbEdges;
for(TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) {
if(iter.Value().ShapeType() != TopAbs_WIRE ||
(iter.Value().Orientation() != TopAbs_FORWARD && iter.Value().Orientation() != TopAbs_REVERSED))
const TopoDS_Shape& aShape = iter.Value();
if(aShape.ShapeType() != TopAbs_WIRE ||
(aShape.Orientation() != TopAbs_FORWARD && aShape.Orientation() != TopAbs_REVERSED))
continue;
TopoDS_Wire wire = TopoDS::Wire ( iter.Value() );
TopoDS_Wire wire = TopoDS::Wire ( aShape );
NbWires++;
if(MapWires.IsBound(wire)) {
// if wire not closed --> stop split and return false
Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire);
NbEdges = sewd->NbEdges();
if (NbEdges == 0) {
continue;
}
//
TopoDS_Edge E1 = sewd->Edge(1);
TopoDS_Edge E2 = sewd->Edge(sewd->NbEdges());
TopoDS_Edge E2 = sewd->Edge(NbEdges);
TopoDS_Vertex V1,V2;
ShapeAnalysis_Edge sae;
V1=sae.FirstVertex(E1);