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0033193: Modeling Algorithms - Regression: UnifySameDomain raises SIGSEGV

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ShapeUpgrade_UnifySameDomain.cxx - method ReconstructMissedSeam is improved.

tests/bugs/heal/bug33193 - new test case added
This commit is contained in:
ifv 2022-11-12 20:45:36 +03:00 committed by vglukhik
parent a2e128b4df
commit 0913396cd3
2 changed files with 38 additions and 1 deletions
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20
src/ShapeUpgrade/ShapeUpgrade_UnifySameDomain.cxx
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@ -753,7 +753,25 @@ static void ReconstructMissedSeam(const TopTools_SequenceOfShape& theRemovedEdge
if ((theUperiod != 0. && aUdiff > theUperiod/2) || if ((theUperiod != 0. && aUdiff > theUperiod/2) ||
(theVperiod != 0. && aVdiff > theVperiod/2)) (theVperiod != 0. && aVdiff > theVperiod/2))
{ {
anEdge.Reverse(); if (aLastVertex.IsSame(theCurVertex) || (theUperiod != 0. && theVperiod != 0.))
{
anEdge.Reverse();
}
else
{
TopAbs_Orientation anOri = anEdge.Orientation();
anEdge.Orientation(TopAbs_FORWARD);
Handle(Geom2d_Curve) aPC1 = BRep_Tool::CurveOnSurface(anEdge, theFrefFace, Param1, Param2);
anEdge.Reverse();
Handle(Geom2d_Curve) aPC2 = BRep_Tool::CurveOnSurface(anEdge, theFrefFace, Param1, Param2);
anEdge.Reverse(); // again FORWARD
TopLoc_Location aLoc;
BRep_Builder aBB;
Standard_Real aTol = BRep_Tool::Tolerance(anEdge);
const Handle(Geom_Surface)& aSurf = BRep_Tool::Surface(theFrefFace, aLoc);
aBB.UpdateEdge(anEdge, aPC2, aPC1, aSurf, aLoc, aTol);
anEdge.Orientation(anOri);
}
aPC = BRep_Tool::CurveOnSurface(anEdge, theFrefFace, Param1, Param2); aPC = BRep_Tool::CurveOnSurface(anEdge, theFrefFace, Param1, Param2);
aParam = (anEdge.Orientation() == TopAbs_FORWARD)? Param1 : Param2; aParam = (anEdge.Orientation() == TopAbs_FORWARD)? Param1 : Param2;
aPoint = aPC->Value(aParam); aPoint = aPC->Value(aParam);

19
tests/bugs/heal/bug33193 Normal file
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@ -0,0 +1,19 @@
puts "========================================="
puts "0033193: Modeling Algorithms - Regression: UnifySameDomain raises SIGSEGV"
puts "========================================="
puts ""
restore [locate_data_file bug33193.brep] a
unifysamedom result a
checkshape result
checknbshapes result -t -solid 1 -shell 1 -face 152 -wire 202 -edge 411 -vertex 273
set tolres [checkmaxtol result]
if { ${tolres} > 1.26e-7} {
puts "Error: bad tolerance of result"
}