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0025003: Selection of a face fails if sensitive triangulation is computed with interior flag = false

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A check on length is added to avoid manipulation with a vector of null length.
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vro
2014-06-11 12:19:44 +04:00
committed by bugmaster
parent 797d11c6f5
commit 5a44311151
1 changed files with 3 additions and 0 deletions
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3
src/Select3D/Select3D_SensitiveTriangulation.cxx
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@@ -59,6 +59,9 @@ static Standard_Boolean S3D_STriangul_NearSegment (const gp_XY& p0, const gp_XY&
gp_XY V01(p1);V01-=p0;
gp_XY Vec(TheP);Vec -= p0;
if (V01.SquareModulus() < Precision::SquareConfusion())
return Standard_False;
Standard_Real u = Vec*V01.Normalized();
if(u<-aTol) return Standard_False;
Standard_Real u1 = u-aTol;