8.18.6.4 IfcTopologyRepresentationTypes
8.18.6.4.1 Semantic definition
The function gets the topology representation type and the assigned set of representation items as input and verifies whether the correct items are assigned according to the representation type given.
8.18.6.4.2 Formal representation
FUNCTION IfcTopologyRepresentationTypes
(RepType : IfcLabel; Items : SET OF IfcRepresentationItem) : LOGICAL;
LOCAL
Count : INTEGER := 0;
END_LOCAL;
CASE RepType OF
'Vertex' :
BEGIN
Count := SIZEOF(QUERY(temp <* Items |
('IFC4X3_ADD2.IFCVERTEX' IN TYPEOF(temp))));
END;
'Edge' :
BEGIN
Count := SIZEOF(QUERY(temp <* Items |
('IFC4X3_ADD2.IFCEDGE' IN TYPEOF(temp))));
END;
'Path' :
BEGIN
Count := SIZEOF(QUERY(temp <* Items |
('IFC4X3_ADD2.IFCPATH' IN TYPEOF(temp))));
END;
'Face' :
BEGIN
Count := SIZEOF(QUERY(temp <* Items |
('IFC4X3_ADD2.IFCFACE' IN TYPEOF(temp))));
END;
'Shell' :
BEGIN
Count := SIZEOF(QUERY(temp <* Items |
('IFC4X3_ADD2.IFCOPENSHELL' IN TYPEOF(temp))
OR ('IFC4X3_ADD2.IFCCLOSEDSHELL' IN TYPEOF(temp))));
END;
'Undefined': RETURN(TRUE);
OTHERWISE : RETURN(?);
END_CASE;
RETURN (Count = SIZEOF(Items));
END_FUNCTION;