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0031848: [REGRESSION] Visualization - MoveTo() triggers exception "gp_Dir() - input vector has zero norm"

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SelectMgr_RectangularFrustum::Overlaps() - added zero magnitude check.

Commands vsphere,vcylinder,vtorus have been corrected to provide missing parameters defining number of stacks and slices.
This commit is contained in:
kgv
2020-10-13 14:20:18 +03:00
committed by bugmaster
parent 815f039bd2
commit 6eeb528cd1
2 changed files with 289 additions and 94 deletions
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4
src/SelectMgr/SelectMgr_RectangularFrustum.cxx
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@@ -713,7 +713,9 @@ Standard_Boolean SelectMgr_RectangularFrustum::Overlaps (const gp_Pnt& thePnt1,
}
}
Standard_Integer aNearestEdgeIdx2 = (aNearestEdgeIdx1 + 1) % 3;
if (myViewRayDir.IsParallel (gp_Vec (aPnts[aNearestEdgeIdx1], aPnts[aNearestEdgeIdx2]), Precision::Angular()))
const gp_Vec aVec12 (aPnts[aNearestEdgeIdx1], aPnts[aNearestEdgeIdx2]);
if (aVec12.SquareMagnitude() > gp::Resolution()
&& myViewRayDir.IsParallel (aVec12, Precision::Angular()))
{
aNearestEdgeIdx2 = aNearestEdgeIdx1 == 0 ? 2 : aNearestEdgeIdx1 - 1;
}