Method get

src/ifcgeom/Iterator.cpp:536–592

Gets the representation of the current geometrical entity.

/// Gets the representation of the current geometrical entity.
IfcGeom::Element* IfcGeom::Iterator::get()
{
	validate_iterator_state();

	auto ret = *task_result_iterator_;

	// If we want to organize the element considering their hierarchy
	if (settings_.get<ifcopenshell::geometry::settings::UseElementHierarchy>().get()) {
		// We are going to build a vector with the element parents.
		// First, create the parent vector
		std::vector<const IfcGeom::Element*> parents;

		// if the element has a parent
		if (ret->parent_id() != -1) {
			const IfcGeom::Element* parent_object = NULL;
			bool hasParent = true;

			// get the parent
			try {
				parent_object = get_object(ret->parent_id());
			} catch (const std::exception& e) {
				Logger::Error(e);
				hasParent = false;
			}

			// Add the previously found parent to the vector
			if (hasParent) parents.insert(parents.begin(), parent_object);

			// We need to find all the parents
			while (parent_object != NULL && hasParent && parent_object->parent_id() != -1) {
				// Find the next parent
                auto pid = parent_object->parent_id();
                auto ifc_product = ifc_file->instance_by_id(pid)->as<IfcUtil::IfcBaseEntity>();
				if (ifc_product->declaration().name() == "IfcProject") {
                    hasParent = false;
                } else {
					try {
						parent_object = get_object(pid);
					} catch (const std::exception& e) {
						Logger::Error(e);
						hasParent = false;
					}
                }
				
				// Add the previously found parent to the vector
				if (hasParent) parents.insert(parents.begin(), parent_object);

				hasParent = hasParent && parent_object->parent_id() != -1;
			}

			// when done push the parent list in the Element object
			ret->SetParents(parents);
		}
	}

	return ret;
}