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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; TopoDS_Shape S = myFace;
if ( ! Context().IsNull() ) if ( ! Context().IsNull() )
S = Context()->Apply ( myFace ); 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()) { for(TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) {
if(iter.Value().ShapeType() != TopAbs_WIRE || const TopoDS_Shape& aShape = iter.Value();
(iter.Value().Orientation() != TopAbs_FORWARD && iter.Value().Orientation() != TopAbs_REVERSED)) if(aShape.ShapeType() != TopAbs_WIRE ||
(aShape.Orientation() != TopAbs_FORWARD && aShape.Orientation() != TopAbs_REVERSED))
continue; continue;
TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); TopoDS_Wire wire = TopoDS::Wire ( aShape );
NbWires++; NbWires++;
if(MapWires.IsBound(wire)) { if(MapWires.IsBound(wire)) {
// if wire not closed --> stop split and return false // if wire not closed --> stop split and return false
Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire);
NbEdges = sewd->NbEdges();
if (NbEdges == 0) {
continue;
}
//
TopoDS_Edge E1 = sewd->Edge(1); TopoDS_Edge E1 = sewd->Edge(1);
TopoDS_Edge E2 = sewd->Edge(sewd->NbEdges()); TopoDS_Edge E2 = sewd->Edge(NbEdges);
TopoDS_Vertex V1,V2; TopoDS_Vertex V1,V2;
ShapeAnalysis_Edge sae; ShapeAnalysis_Edge sae;
V1=sae.FirstVertex(E1); V1=sae.FirstVertex(E1);

13
tests/bugs/heal/bug24126 Executable file
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@ -0,0 +1,13 @@
puts "================"
puts "OCC24126"
puts "================"
puts ""
######################################################################################
# Crash on fixing the attached shape
######################################################################################
catch {pload XDE}
restore [locate_data_file bug24126_Partition_1.brep] b
fixshape result b