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0027894: Crash when calling ShapeUpgrade_UnifySameDomain

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- Avoid getting pcurve of edge on not connected face.
- Avoid building wire of empty set of edges.

Small correction of test case for issue CR27894
This commit is contained in:
msv
2017-02-09 15:44:06 +03:00
committed by apn
parent d76b39abf1
commit d3dadd2392
2 changed files with 18 additions and 1 deletions
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4
src/ShapeUpgrade/ShapeUpgrade_UnifySameDomain.cxx
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@@ -1374,7 +1374,7 @@ void ShapeUpgrade_UnifySameDomain::IntUnifyFaces(const TopoDS_Shape& theInpShape
if (IsSameDomain(aFace,anCheckedFace, myLinTol, myAngTol)) {
// hotfix for 27271: prevent merging along periodic direction.
if (IsLikeSeam(edge, aFace, aBaseSurface))
if (IsLikeSeam(edge, anCheckedFace, aBaseSurface))
continue;
// replacing pcurves
@@ -1574,6 +1574,8 @@ void ShapeUpgrade_UnifySameDomain::IntUnifyFaces(const TopoDS_Shape& theInpShape
}
sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY());
}
if (sawo.NbEdges() == 0)
continue;
sawo.Perform();
// constructind one degenerative edge