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https://github.com/IfcOpenShell/IfcOpenShell.git
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Process IfcRelAggregates and IfcRelContainedInSpatialStructure to enable IfcBlender to build a parenting graph
This commit is contained in:
Thomas Krijnen
+106
-14
@@ -104,15 +104,33 @@ IfcGeomObjects::IfcMesh::IfcMesh(int i, TopoDS_Shape s) {
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}
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}
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IfcGeomObjects::IfcGeomObject::IfcGeomObject(int my_id, const std::string& n, const std::string& t, gp_Trsf trsf, IfcMesh* m) {
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IfcGeomObjects::IfcObject::IfcObject(int my_id,
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int p_id,
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const std::string& n,
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const std::string& t,
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const std::string& g,
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const gp_Trsf& trsf) {
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// Convert the gp_Trsf into a 4x3 Matrix
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for( int i = 1; i < 5; ++ i )
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for ( int j = 1; j < 4; ++ j )
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matrix.push_back((float)trsf.Value(j,i));
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id = my_id;
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parent_id = p_id;
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name = n;
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type = t;
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guid = g;
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}
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IfcGeomObjects::IfcGeomObject::IfcGeomObject(int my_id,
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int p_id,
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const std::string& n,
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const std::string& t,
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const std::string& g,
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const gp_Trsf& trsf,
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IfcMesh* m) : IfcObject(my_id,p_id,n,t,g,trsf) {
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mesh = m;
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}
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@@ -194,7 +212,9 @@ IfcGeomObjects::IfcGeomObject* _get() {
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}
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}
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Ifc2x3::IfcProduct::ptr ifc_product = *inner;
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const std::string name = ifc_product->hasName() ? ifc_product->Name() : ifc_product->GlobalId();
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int parent_id = -1;
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const std::string name = ifc_product->hasName() ? ifc_product->Name() : "";
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const std::string guid = ifc_product->GlobalId();
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gp_Trsf trsf;
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try {
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@@ -220,13 +240,37 @@ IfcGeomObjects::IfcGeomObject* _get() {
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}
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}
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if ( ifc_product->is(Ifc2x3::Type::IfcElement ) ) {
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Ifc2x3::IfcElement::ptr element = reinterpret_pointer_cast<Ifc2x3::IfcProduct,Ifc2x3::IfcElement>(ifc_product);
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Ifc2x3::IfcRelContainedInSpatialStructure::list parents = element->ContainedInStructure();
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if ( parents->Size() ) {
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Ifc2x3::IfcRelContainedInSpatialStructure::ptr parent = *parents->begin();
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parent_id = parent->RelatingStructure()->entity->id();
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}
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}
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if ( parent_id == -1 ) {
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Ifc2x3::IfcRelDecomposes::list decomposes = ifc_product->IsDecomposedBy();
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// This is a bug in IfcParse IsDecomposedBy() and Decomposes() are mixed
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for ( Ifc2x3::IfcRelDecomposes::it it = decomposes->begin(); it != decomposes->end(); ++ it ) {
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Ifc2x3::IfcRelDecomposes::ptr decompose = *it;
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Ifc2x3::IfcObjectDefinition* ifc_objectdef = decompose->RelatingObject();
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if ( ifc_product == ifc_objectdef ) continue;
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parent_id = ifc_objectdef->entity->id();
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}
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}
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if ( (openings && openings->Size()) || use_world_coords ) {
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if ( shape ) delete shape;
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TopoDS_Shape temp_shape = shapes.Moved(gp_Trsf());
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try {
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if (openings && openings->Size()) IfcGeom::convert_openings(ifc_product,openings,temp_shape,trsf);
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} catch( IfcParse::IfcException& e ) {Ifc::LogMessage("Warning",e.what()); }
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catch(...) { Ifc::LogMessage("Error","Error processing openings for:",ifc_product->entity); }
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if (openings && openings->Size()) {
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IfcGeom::convert_openings(ifc_product,openings,temp_shape,trsf);
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}
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} catch( IfcParse::IfcException& e ) {
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Ifc::LogMessage("Warning",e.what());
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} catch(...) {
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Ifc::LogMessage("Error","Error processing openings for:",ifc_product->entity);
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}
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if ( use_world_coords ) {
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shape = new IfcGeomObjects::IfcMesh(shaperep->entity->id(),temp_shape.Moved(trsf));
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trsf = gp_Trsf();
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@@ -237,12 +281,13 @@ IfcGeomObjects::IfcGeomObject* _get() {
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shape = new IfcGeomObjects::IfcMesh(shaperep->entity->id(),shapes);
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}
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return new IfcGeomObjects::IfcGeomObject(ifc_product->entity->id(), name, Ifc2x3::Type::ToString(ifc_product->type()), trsf, shape);
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return new IfcGeomObjects::IfcGeomObject(ifc_product->entity->id(), parent_id, name,
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Ifc2x3::Type::ToString(ifc_product->type()), guid, trsf, shape);
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}
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}
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extern bool IfcGeomObjects::Next() {
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bool IfcGeomObjects::Next() {
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if ( entities ) {
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++inner;
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}
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@@ -250,20 +295,67 @@ extern bool IfcGeomObjects::Next() {
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currentGeomObj = _get();
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if ( ! currentGeomObj ) {
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delete shape;
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Ifc::Dispose();
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IfcGeom::Cache::Purge();
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return false;
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} else {
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return true;
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}
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}
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extern const IfcGeomObjects::IfcGeomObject* IfcGeomObjects::Get() {
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std::vector<IfcGeomObjects::IfcObject*> returned_objects;
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bool IfcGeomObjects::CleanUp() {
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Ifc::Dispose();
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IfcGeom::Cache::Purge();
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for ( std::vector<IfcGeomObjects::IfcObject*>::const_iterator it = returned_objects.begin();
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it != returned_objects.end();
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++ it ) {
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delete *it;
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}
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return true;
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}
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const IfcGeomObjects::IfcObject* IfcGeomObjects::GetObject(int id) {
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IfcObject* ifc_object = 0;
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try {
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const IfcEntity& ifc_entity = Ifc::EntityById(id);
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if ( ifc_entity->is(Ifc2x3::Type::IfcProduct) ) {
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Ifc2x3::IfcProduct::ptr ifc_product = reinterpret_pointer_cast<IfcUtil::IfcBaseClass,Ifc2x3::IfcProduct>(ifc_entity);
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int parent_id = -1;
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if ( ifc_product->is(Ifc2x3::Type::IfcElement ) ) {
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Ifc2x3::IfcElement::ptr element = reinterpret_pointer_cast<Ifc2x3::IfcProduct,Ifc2x3::IfcElement>(ifc_product);
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Ifc2x3::IfcRelContainedInSpatialStructure::list parents = element->ContainedInStructure();
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if ( parents->Size() ) {
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Ifc2x3::IfcRelContainedInSpatialStructure::ptr parent = *parents->begin();
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parent_id = parent->RelatingStructure()->entity->id();
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}
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}
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if ( parent_id == -1 ) {
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Ifc2x3::IfcRelDecomposes::list decomposes = ifc_product->IsDecomposedBy();
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// This is a bug in IfcParse IsDecomposedBy() and Decomposes() are mixed
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for ( Ifc2x3::IfcRelDecomposes::it it = decomposes->begin(); it != decomposes->end(); ++ it ) {
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Ifc2x3::IfcRelDecomposes::ptr decompose = *it;
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Ifc2x3::IfcObjectDefinition* ifc_objectdef = decompose->RelatingObject();
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if ( ifc_product == ifc_objectdef ) continue;
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parent_id = ifc_objectdef->entity->id();
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}
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}
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const std::string name = ifc_product->hasName() ? ifc_product->Name() : "";
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gp_Trsf trsf;
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try {
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IfcGeom::convert(ifc_product->ObjectPlacement(),trsf);
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} catch (...) {}
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ifc_object = new IfcObject(ifc_product->entity->id(),parent_id,name,
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Ifc2x3::Type::ToString(ifc_product->type()),ifc_product->GlobalId(),trsf);
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}
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} catch(...) {}
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if ( !ifc_object ) ifc_object = new IfcObject(-1,-1,"","","",gp_Trsf());
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returned_objects.push_back(ifc_object);
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return ifc_object;
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}
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const IfcGeomObjects::IfcGeomObject* IfcGeomObjects::Get() {
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return currentGeomObj;
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}
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extern bool IfcGeomObjects::Init(const char* fn, bool world_coords) {
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bool IfcGeomObjects::Init(const char* fn, bool world_coords) {
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return IfcGeomObjects::Init(fn, world_coords, 0, 0);
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}
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extern bool IfcGeomObjects::Init(const char* fn, bool world_coords, std::ostream* log1, std::ostream* log2) {
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bool IfcGeomObjects::Init(const char* fn, bool world_coords, std::ostream* log1, std::ostream* log2) {
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if ( log1 || log2 ) Ifc::SetOutput(log1,log2);
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use_world_coords = world_coords;
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if ( !Ifc::Init(fn) ) return false;
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@@ -281,7 +373,7 @@ extern bool IfcGeomObjects::Init(const char* fn, bool world_coords, std::ostream
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total = shapereps->Size();
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return true;
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}
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extern bool IfcGeomObjects::Init(std::istream& f, int len, bool world_coords, std::ostream* log1, std::ostream* log2) {
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bool IfcGeomObjects::Init(std::istream& f, int len, bool world_coords, std::ostream* log1, std::ostream* log2) {
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if ( log1 || log2 ) Ifc::SetOutput(log1,log2);
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use_world_coords = world_coords;
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if ( !Ifc::Init(f, len) ) return false;
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@@ -299,6 +391,6 @@ extern bool IfcGeomObjects::Init(std::istream& f, int len, bool world_coords, st
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total = shapereps->Size();
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return true;
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}
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extern int IfcGeomObjects::Progress() {
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int IfcGeomObjects::Progress() {
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return 100 * done / total;
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}
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