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0027991: Modeling Algorithms - BRepGProp_Face crashes on face without geometric surface

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BRepGProps now ignores faces without geometric surface to avoid access violation.
BRepExtrema_DistShapeShape::DistanceMapMap() now skips comparison between void bounding boxes.
BRepBndLib::Add() now ignores useTriangulation flag for faces without geometric surfaces, and uses triangulation if any for updating of the box.
This commit is contained in:
kgv
2016-10-22 18:37:51 +03:00
committed by apv
parent ee5befae97
commit 4d19a2c5e7
4 changed files with 29 additions and 8 deletions
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11
src/BRepGProp/BRepGProp.cxx
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@@ -91,6 +91,7 @@ static Standard_Real surfaceProperties(const TopoDS_Shape& S, GProp_GProps& Prop
BRepGProp_Face BF;
BRepGProp_Domain BD;
TopTools_MapOfShape aFMap;
TopLoc_Location aLocDummy;
for (ex.Init(S,TopAbs_FACE), i = 1; ex.More(); ex.Next(), i++) {
const TopoDS_Face& F = TopoDS::Face(ex.Current());
@@ -98,6 +99,16 @@ static Standard_Real surfaceProperties(const TopoDS_Shape& S, GProp_GProps& Prop
{
continue;
}
{
const Handle(Geom_Surface)& aSurf = BRep_Tool::Surface (F, aLocDummy);
if (aSurf.IsNull())
{
// skip faces without geometry
continue;
}
}
BF.Load(F);
TopoDS_Iterator aWIter(F);
Standard_Boolean IsNatRestr = !aWIter.More();