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#2202 Check for nested compound of solid in boolean result handling

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This commit is contained in:
Thomas Krijnen
2022-05-16 14:24:57 +02:00
parent b09ff828de
commit 96bcd31d99
1 changed files with 19 additions and 1 deletions
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src/ifcgeom/IfcGeomShapes.cpp
+19 -1
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@@ -541,6 +541,24 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcShellBasedSurfaceModel* l, Ifc
return true; return true;
} }
namespace {
bool is_nested_compound_of_solid(const TopoDS_Shape& s, int depth=0) {
if (s.ShapeType() == TopAbs_COMPOUND) {
TopoDS_Iterator it(s);
for (; it.More(); it.Next()) {
if (!is_nested_compound_of_solid(it.Value(), depth + 1)) {
return false;
}
}
return true;
} else if (s.ShapeType() == TopAbs_SOLID) {
return depth > 0;
} else {
return false;
}
}
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcBooleanResult* l, TopoDS_Shape& shape) { bool IfcGeom::Kernel::convert(const IfcSchema::IfcBooleanResult* l, TopoDS_Shape& shape) {
TopoDS_Shape s1; TopoDS_Shape s1;
@@ -697,7 +715,7 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcBooleanResult* l, TopoDS_Shape
bool valid_result; bool valid_result;
if (s1.ShapeType() == TopAbs_COMPOUND && TopoDS_Iterator(s1).More() && TopoDS_Iterator(s1).Value().ShapeType() == TopAbs_SOLID) { if (s1.ShapeType() == TopAbs_COMPOUND && TopoDS_Iterator(s1).More() && is_nested_compound_of_solid(s1)) {
TopoDS_Compound C; TopoDS_Compound C;
BRep_Builder B; BRep_Builder B;
B.MakeCompound(C); B.MakeCompound(C);