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0033449: Modeling Algorithm - Crash in BRepTools_GTrsfModification::NewTriangulation() method

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Changed iteration limits from theTriangulation->NbTriangles() to theTriangulation->NbNodes()
Provided modification of the normals only with rotation (gp_GTrsf::Form() == gp_Other  leads to crash)
This commit is contained in:
akaftasev 2023-08-29 13:18:39 +01:00
parent 0e97c80e6a
commit 0e6977d668
1 changed files with 7 additions and 2 deletions
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9
src/BRepTools/BRepTools_GTrsfModification.cxx
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@ -308,10 +308,15 @@ Standard_Boolean BRepTools_GTrsfModification::NewTriangulation(const TopoDS_Face
// modify normals // modify normals
if (theTriangulation->HasNormals()) if (theTriangulation->HasNormals())
{ {
for (Standard_Integer anInd = 1; anInd <= theTriangulation->NbTriangles(); ++anInd) for (Standard_Integer anInd = 1; anInd <= theTriangulation->NbNodes(); ++anInd)
{ {
gp_Dir aNormal = theTriangulation->Normal(anInd); gp_Dir aNormal = theTriangulation->Normal(anInd);
aNormal.Transform(aGTrsf.Trsf()); gp_Mat aMat = aGTrsf.VectorialPart();
aMat.SetDiagonal(1., 1., 1.);
gp_Trsf aTrsf;
aTrsf.SetForm(gp_Rotation);
(gp_Mat&)aTrsf.HVectorialPart() = aMat;
aNormal.Transform(aTrsf);
theTriangulation->SetNormal(anInd, aNormal); theTriangulation->SetNormal(anInd, aNormal);
} }
} }