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Consider material profile set in single material determination

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This commit is contained in:
Thomas Krijnen
2024-05-06 13:18:05 +02:00
parent 8f7f6223de
commit b3e7975b83
1 changed files with 42 additions and 7 deletions
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src/ifcgeom/IfcGeom.cpp
+42 -7
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@@ -549,6 +549,36 @@ IfcSchema::IfcRelVoidsElement::list::ptr IfcGeom::Kernel::find_openings(IfcSchem
return openings;
}
namespace {
template <typename T>
IfcSchema::IfcMaterial* get_single_from_aggregate(bool take_first_regardless_of_size, const T& agg) {
if (take_first_regardless_of_size ? agg->size() >= 1 : agg->size() == 1) {
auto* layer_or_profile = *agg->begin();
if (layer_or_profile->Material()) {
return layer_or_profile->Material();
}
}
return nullptr;
}
#ifdef SCHEMA_HAS_IfcMaterialProfileSet
IfcSchema::IfcMaterial* get_single_from_set(bool take_first_regardless_of_size, IfcSchema::IfcMaterialProfileSet* profileset) {
return get_single_from_aggregate(take_first_regardless_of_size, profileset->MaterialProfiles());
}
#endif
IfcSchema::IfcMaterial* get_single_from_set(bool take_first_regardless_of_size, IfcSchema::IfcMaterialLayerSet* profileset) {
return get_single_from_aggregate(take_first_regardless_of_size, profileset->MaterialLayers());
}
IfcSchema::IfcMaterial* get_single_from_usage(bool take_first_regardless_of_size, IfcSchema::IfcMaterialLayerSetUsage* usage) {
return get_single_from_set(take_first_regardless_of_size, usage->ForLayerSet());
}
#ifdef SCHEMA_HAS_IfcMaterialProfileSet
IfcSchema::IfcMaterial* get_single_from_usage(bool take_first_regardless_of_size, IfcSchema::IfcMaterialProfileSetUsage* usage) {
return get_single_from_set(take_first_regardless_of_size, usage->ForProfileSet());
}
#endif
}
const IfcSchema::IfcMaterial* IfcGeom::Kernel::get_single_material_association(const IfcSchema::IfcProduct* product) {
IfcSchema::IfcMaterial* single_material = 0;
IfcSchema::IfcRelAssociatesMaterial::list::ptr associated_materials = product->HasAssociations()->as<IfcSchema::IfcRelAssociatesMaterial>();
@@ -566,14 +596,19 @@ const IfcSchema::IfcMaterial* IfcGeom::Kernel::get_single_material_association(c
single_material = associated_material->as<IfcSchema::IfcMaterial>();
// NB: IfcMaterialLayerSets are also considered, regardless of --enable-layerset-slicing. Picking
// the first material (in accordance with other viewers) when layerset-slicing is disabled.
if (!single_material && associated_material->as<IfcSchema::IfcMaterialLayerSetUsage>()) {
IfcSchema::IfcMaterialLayerSet* layerset = associated_material->as<IfcSchema::IfcMaterialLayerSetUsage>()->ForLayerSet();
if (getValue(GV_LAYERSET_FIRST) > 0.0 ? layerset->MaterialLayers()->size() >= 1 : layerset->MaterialLayers()->size() == 1) {
IfcSchema::IfcMaterialLayer* layer = (*layerset->MaterialLayers()->begin());
if (layer->Material()) {
single_material = layer->Material();
}
if (!single_material) {
if (auto* m = associated_material->as<IfcSchema::IfcMaterialLayerSetUsage>()) {
single_material = get_single_from_usage(getValue(GV_LAYERSET_FIRST) > 0.0, m);
} else if (auto* m = associated_material->as<IfcSchema::IfcMaterialLayerSet>()) {
single_material = get_single_from_set(getValue(GV_LAYERSET_FIRST) > 0.0, m);
}
#ifdef SCHEMA_HAS_IfcMaterialProfileSet
else if (auto* m = associated_material->as<IfcSchema::IfcMaterialProfileSetUsage>()) {
single_material = get_single_from_usage(getValue(GV_LAYERSET_FIRST) > 0.0, m);
} else if (auto* m = associated_material->as<IfcSchema::IfcMaterialProfileSet>()) {
single_material = get_single_from_set(getValue(GV_LAYERSET_FIRST) > 0.0, m);
}
#endif
}
}
}