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Color elements by material association. Reimplement reuse detection. Fix #265

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This commit is contained in:
Thomas Krijnen
2017-10-06 15:36:51 +02:00
parent ada503dbf1
commit 6c4fee1028
3 changed files with 152 additions and 124 deletions
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src/ifcgeom/IfcGeomFunctions.cpp
+102
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@@ -1134,6 +1134,26 @@ IfcSchema::IfcRelVoidsElement::list::ptr IfcGeom::Kernel::find_openings(IfcSchem
return openings;
}
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>();
if (associated_materials->size() == 1) {
IfcSchema::IfcMaterialSelect* associated_material = (*associated_materials->begin())->RelatingMaterial();
single_material = associated_material->as<IfcSchema::IfcMaterial>();
// TODO: Should this check for APPLY_LAYERSETS setting?
if (!single_material && associated_material->as<IfcSchema::IfcMaterialLayerSetUsage>()) {
IfcSchema::IfcMaterialLayerSet* layerset = associated_material->as<IfcSchema::IfcMaterialLayerSetUsage>()->ForLayerSet();
if (layerset->MaterialLayers()->size() == 1) {
IfcSchema::IfcMaterialLayer* layer = (*layerset->MaterialLayers()->begin());
if (layer->hasMaterial()) {
single_material = layer->Material();
}
}
}
}
return single_material;
}
template <typename P>
IfcGeom::BRepElement<P>* IfcGeom::Kernel::create_brep_for_representation_and_product(
const IteratorSettings& settings, IfcSchema::IfcRepresentation* representation, IfcSchema::IfcProduct* product)
@@ -1183,6 +1203,23 @@ IfcGeom::BRepElement<P>* IfcGeom::Kernel::create_brep_for_representation_and_pro
}
}
bool material_style_applied = false;
const IfcSchema::IfcMaterial* single_material = get_single_material_association(product);
if (single_material) {
const IfcGeom::SurfaceStyle* s = get_style(single_material);
for (auto it = shapes.begin(); it != shapes.end(); ++it) {
if (!it->hasStyle() && s) {
it->setStyle(s);
material_style_applied = true;
}
}
}
if (material_style_applied) {
representation_id_builder << "-material-" << single_material->entity->id();
}
int parent_id = -1;
try {
IfcSchema::IfcObjectDefinition* parent_object = get_decomposing_entity(product);
@@ -1276,6 +1313,71 @@ IfcGeom::BRepElement<P>* IfcGeom::Kernel::create_brep_for_representation_and_pro
);
}
IfcSchema::IfcRepresentation* IfcGeom::Kernel::representation_mapped_to(const IfcSchema::IfcRepresentation* representation) {
IfcSchema::IfcRepresentation* representation_mapped_to = 0;
IfcSchema::IfcRepresentationItem::list::ptr items = representation->Items();
if (items->size() == 1) {
IfcSchema::IfcRepresentationItem* item = *items->begin();
if (item->is(IfcSchema::Type::IfcMappedItem)) {
if (item->StyledByItem()->size() == 0) {
IfcSchema::IfcMappedItem* mapped_item = item->as<IfcSchema::IfcMappedItem>();
if (is_identity_transform(mapped_item->MappingTarget())) {
IfcSchema::IfcRepresentationMap* map = mapped_item->MappingSource();
if (is_identity_transform(map->MappingOrigin())) {
representation_mapped_to = map->MappedRepresentation();
}
}
}
}
}
return representation_mapped_to;
}
IfcSchema::IfcProduct::list::ptr IfcGeom::Kernel::products_represented_by(const IfcSchema::IfcRepresentation* representation) {
IfcSchema::IfcProduct::list::ptr products(new IfcSchema::IfcProduct::list);
IfcSchema::IfcProductRepresentation::list::ptr prodreps = representation->OfProductRepresentation();
for (IfcSchema::IfcProductRepresentation::list::it it = prodreps->begin(); it != prodreps->end(); ++it) {
// http://buildingsmart-tech.org/ifc/IFC2x3/TC1/html/ifcrepresentationresource/lexical/ifcproductrepresentation.htm
// IFC2x Edition 3 NOTE Users should not instantiate the entity IfcProductRepresentation from IFC2x Edition 3 onwards.
// It will be changed into an ABSTRACT supertype in future releases of IFC.
// IfcProductRepresentation also lacks the INVERSE relation to IfcProduct
// Let's find the IfcProducts that reference the IfcProductRepresentation anyway
products->push((*it)->entity->getInverse(IfcSchema::Type::IfcProduct, -1)->as<IfcSchema::IfcProduct>());
}
IfcSchema::IfcRepresentationMap::list::ptr maps = representation->RepresentationMap();
if (maps->size() == 1) {
IfcSchema::IfcRepresentationMap* map = *maps->begin();
if (is_identity_transform(map->MappingOrigin())) {
IfcSchema::IfcMappedItem::list::ptr items = map->MapUsage();
for (IfcSchema::IfcMappedItem::list::it it = items->begin(); it != items->end(); ++it) {
IfcSchema::IfcMappedItem* item = *it;
if (item->StyledByItem()->size() != 0) continue;
if (!is_identity_transform(item->MappingTarget())) {
continue;
}
IfcSchema::IfcRepresentation::list::ptr reps = item->entity->getInverse(IfcSchema::Type::IfcRepresentation, -1)->as<IfcSchema::IfcRepresentation>();
for (IfcSchema::IfcRepresentation::list::it jt = reps->begin(); jt != reps->end(); ++jt) {
IfcSchema::IfcRepresentation* rep = *jt;
if (rep->Items()->size() != 1) continue;
IfcSchema::IfcProductRepresentation::list::ptr prodreps_mapped = rep->OfProductRepresentation();
for (IfcSchema::IfcProductRepresentation::list::it kt = prodreps_mapped->begin(); kt != prodreps_mapped->end(); ++kt) {
IfcSchema::IfcProduct::list::ptr ps = (*kt)->entity->getInverse(IfcSchema::Type::IfcProduct, -1)->as<IfcSchema::IfcProduct>();
products->push(ps);
}
}
}
}
}
return products;
}
template <typename P>
IfcGeom::BRepElement<P>* IfcGeom::Kernel::create_brep_for_processed_representation(
const IteratorSettings& /*settings*/, IfcSchema::IfcRepresentation* representation, IfcSchema::IfcProduct* product,