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0029673: Exception while Face-Face intersection

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If 2D-curves are requested in intersection result but they cannot be created (by some reason) then the full set of curves (3D and two 2D) is rejected from the intersection result.
This commit is contained in:
nbv 2018-10-26 11:37:00 +03:00 committed by bugmaster
parent a6ebe9fc7c
commit e28b8c6218
2 changed files with 25 additions and 1 deletions
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9
src/IntTools/IntTools_FaceFace.cxx
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@ -819,11 +819,14 @@ void IntTools_FaceFace::MakeCurve(const Standard_Integer Index,
aCurve.SetTolerance(aTolC);
}
//
aCurve.SetCurve(new Geom_TrimmedCurve(newc, fprm, lprm));
if(myApprox1) {
Handle (Geom2d_Curve) C2d;
GeomInt_IntSS::BuildPCurves(fprm, lprm, Tolpc,
myHS1->ChangeSurface().Surface(), newc, C2d);
if (C2d.IsNull())
continue;
aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d, fprm, lprm));
}
//
@ -831,6 +834,10 @@ void IntTools_FaceFace::MakeCurve(const Standard_Integer Index,
Handle (Geom2d_Curve) C2d;
GeomInt_IntSS::BuildPCurves(fprm, lprm, Tolpc,
myHS2->ChangeSurface().Surface(), newc, C2d);
if (C2d.IsNull())
continue;
aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d, fprm, lprm));
}
//

17
tests/lowalgos/intss/bug29673 Normal file
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@ -0,0 +1,17 @@
puts "========"
puts "0029673: Ex-ception while Face-Face intersection"
puts "========"
puts ""
restore [locate_data_file bug29673_f1.brep] f1
restore [locate_data_file bug29673_f2.brep] f2
regexp {Tolerance Reached=+([-0-9.+eE]+)\n+([-0-9.+eE]+)} [bopcurves f1 f2 -2d] full Toler NbCurv
if {$Toler > 1.0e-7} {
puts "Error: too big tolerance"
}
if {$NbCurv != 1} {
puts "Error: Please check NbCurves for intersector"
}