Example for IfcOpenShell#209

aothms · aothms · commit d34c3b4b20c6 · 2017-04-25T16:53:35.000+02:00
diff --git a/src/examples/IfcOpenHouse.cpp b/src/examples/IfcOpenHouse.cpp
@@ -264,7 +264,17 @@ int main() {
 	createGroundShape(shape);
 	IfcSchema::IfcProductDefinitionShape* ground_representation = IfcGeom::tesselate(shape, 100.);
 	file.getSingle<IfcSchema::IfcSite>()->setRepresentation(ground_representation);
-	
+
+	// Relate a property set to the IfcSite
+	const double site_area = IfcGeom::Kernel::face_area(TopoDS::Face(shape)) / 1000 / 1000;
+	IfcSchema::IfcProperty::list::ptr properties(new IfcSchema::IfcProperty::list);
+	properties->push(new IfcSchema::IfcPropertySingleValue("TotalArea", null, new IfcSchema::IfcAreaMeasure(site_area), 0));
+	IfcSchema::IfcPropertySet* pset = new IfcSchema::IfcPropertySet(guid(), file.getSingle<IfcSchema::IfcOwnerHistory>(), S("Pset_SiteCommon"), null, properties);
+	IfcSchema::IfcObject::list::ptr related_objs(new IfcSchema::IfcObject::list);
+	related_objs->push(file.getSingle<IfcSchema::IfcSite>());
+	IfcSchema::IfcRelDefinesByProperties* site_prop = new IfcSchema::IfcRelDefinesByProperties(guid(), file.getSingle<IfcSchema::IfcOwnerHistory>(), null, null, related_objs, pset);
+	file.addEntity(site_prop);
+
 	IfcSchema::IfcRepresentation::list::ptr ground_reps = file.getSingle<IfcSchema::IfcSite>()->Representation()->Representations();
 	for (IfcSchema::IfcRepresentation::list::it it = ground_reps->begin(); it != ground_reps->end(); ++it) {
 		(*it)->setContextOfItems(file.getRepresentationContext("Model"));
diff --git a/src/ifcgeom/IfcGeom.h b/src/ifcgeom/IfcGeom.h
@@ -215,8 +215,6 @@ class IFC_GEOM_API Kernel {
 	gp_Pnt point_above_plane(const gp_Pln& pln, bool agree=true);
 	const TopoDS_Shape& ensure_fit_for_subtraction(const TopoDS_Shape& shape, TopoDS_Shape& solid);
 	bool profile_helper(int numVerts, double* verts, int numFillets, int* filletIndices, double* filletRadii, gp_Trsf2d trsf, TopoDS_Shape& face); 
-	double shape_volume(const TopoDS_Shape& s);
-	double face_area(const TopoDS_Face& f);
 	void apply_tolerance(TopoDS_Shape& s, double t);
 	void setValue(GeomValue var, double value);
 	double getValue(GeomValue var) const;
@@ -228,6 +226,9 @@ class IFC_GEOM_API Kernel {
 	bool approximate_plane_through_wire(const TopoDS_Wire&, gp_Pln&);
 	bool flatten_wire(TopoDS_Wire&);
 
+	static double shape_volume(const TopoDS_Shape& s);
+	static double face_area(const TopoDS_Face& f);
+
 	static TopoDS_Shape apply_transformation(const TopoDS_Shape&, const gp_Trsf&);
 	static TopoDS_Shape apply_transformation(const TopoDS_Shape&, const gp_GTrsf&);
 	
