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Catch failures to convert Nef to Polyhedron_3

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This commit is contained in:
Ken Arroyo Ohori
2017-04-10 18:53:28 -05:00
parent f03a228280
commit 248c73c2ab
2 changed files with 46 additions and 12 deletions
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src/ifcgeom/kernels/cgal/CgalKernel.cpp
+10 -2
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@@ -300,8 +300,16 @@ bool IfcGeom::CgalKernel::convert_openings(const IfcSchema::IfcProduct* entity,
}
if (brep_cut_result.is_valid()) {
nef_brep_cut_result.convert_to_Polyhedron(brep_cut_result);
cut_shapes.push_back(IfcGeom::ConversionResult(new CgalShape(brep_cut_result), &it3->Style()));
try {
nef_brep_cut_result.convert_to_polyhedron(brep_cut_result);
cut_shapes.push_back(IfcGeom::ConversionResult(new CgalShape(brep_cut_result), &it3->Style()));
} catch (...) {
// Apparently processing the boolean operation failed or resulted in an invalid result
// in which case the original shape without the subtractions is returned instead
// we try convert the openings in the original way, one by one.
Logger::Message(Logger::LOG_WARNING, "Subtracting combined openings compound failed:", entity->entity);
return false;
}
} else {
// Apparently processing the boolean operation failed or resulted in an invalid result
// in which case the original shape without the subtractions is returned instead