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ENH: surfaceFeatures: survive zero length edge. Fixes #616.

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This commit is contained in:
mattijs
2017-10-09 15:34:10 +01:00
parent b5dc2a5e65
commit 051d1d661f
1 changed files with 7 additions and 3 deletions
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10
src/meshTools/triSurface/surfaceFeatures/surfaceFeatures.C
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@ -243,12 +243,16 @@ void Foam::surfaceFeatures::calcFeatPoints
if (edgeStat[edgeI] != NONE) if (edgeStat[edgeI] != NONE)
{ {
edgeVecs.append(edges[edgeI].vec(localPoints)); vector vec = edges[edgeI].vec(localPoints);
edgeVecs.last() /= mag(edgeVecs.last()); scalar magVec = mag(vec);
if (magVec > SMALL)
{
edgeVecs.append(vec/magVec);
}
} }
} }
if (mag(edgeVecs[0] & edgeVecs[1]) < minCos) if (edgeVecs.size() == 2 && mag(edgeVecs[0] & edgeVecs[1]) < minCos)
{ {
featurePoints.append(pointi); featurePoints.append(pointi);
} }