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Double check for relationship subtype when processing openings on aggregate parent #5639

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This commit is contained in:
Thomas Krijnen
2024-10-26 14:53:36 +02:00
parent 6b55e5e6ee
commit ea48996f0d
1 changed files with 11 additions and 7 deletions
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src/ifcgeom/mapping/mapping.cpp
+11 -7
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@@ -178,13 +178,17 @@ aggregate_of_instance::ptr mapping::find_openings(const IfcUtil::IfcBaseEntity*
if (obdef != nullptr) {
for (;;) {
auto decomposes = obdef->Decomposes()->generalize();
if (decomposes->size() != 1) break;
IfcSchema::IfcObjectDefinition* rel_obdef;
#ifdef SCHEMA_IfcRelDecomposes_HAS_RelatingObject
rel_obdef = (*decomposes->begin())->as<IfcSchema::IfcRelDecomposes>()->RelatingObject();
#else // IFC4+
rel_obdef = (*decomposes->begin())->as<IfcSchema::IfcRelAggregates>()->RelatingObject();
#endif
if (decomposes->size() != 1) {
// If we have multiple decompositions, not allowed by schema,
// openings associated to relating decompositions are not
// considered;
break;
}
if ((*decomposes->begin())->as<IfcSchema::IfcRelAggregates>() == nullptr) {
// Only aggregation, not nesting is considered.
break;
}
IfcSchema::IfcObjectDefinition* rel_obdef = (*decomposes->begin())->as<IfcSchema::IfcRelAggregates>()->RelatingObject();
if (rel_obdef->as<IfcSchema::IfcElement>() && !rel_obdef->as<IfcSchema::IfcFeatureElementSubtraction>()) {
IfcSchema::IfcElement* element = rel_obdef->as<IfcSchema::IfcElement>();
auto rels = element->HasOpenings();