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add a check to BSplineCurve.segment()

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This commit is contained in:
tomate44
2018-09-16 18:17:56 +02:00
committed by wmayer
parent ee128a32fd
commit f6d9b692be
1 changed files with 9 additions and 1 deletions
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10
src/Mod/Part/App/BSplineCurvePyImp.cpp
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@@ -298,7 +298,15 @@ PyObject* BSplineCurvePy::segment(PyObject * args)
try {
Handle(Geom_BSplineCurve) curve = Handle(Geom_BSplineCurve)::DownCast
(getGeometryPtr()->handle());
curve->Segment(u1,u2);
Handle(Geom_BSplineCurve) tempCurve = new Geom_BSplineCurve(*curve);
tempCurve->Segment(u1,u2);
if (abs(tempCurve->FirstParameter()-u1)>Precision::Approximation() || abs(tempCurve->LastParameter()-u2)>Precision::Approximation()) {
Standard_Failure::Raise("Failed to segment BSpline curve");
return 0;
}
else {
curve->Segment(u1,u2);
}
Py_Return;
}
catch (Standard_Failure& e) {