IfcTaperedSweptAreaProfiles

Natural language names
Tapered Swept Area Profiles
Semantic definitions at the function
Function Definition

This function checks whether the start and end profile in a tapered extrusion are topologically similar, i.e. whether both have the same number of vertices and edges.

It returnes TRUE if:

HISTORY  New function in IFC2x Edition 4.

Formal representations
EXPRESS Specification

FUNCTION IfcTaperedSweptAreaProfiles
(StartArea, EndArea : IfcProfileDef)
: LOGICAL;

LOCAL
   Result : LOGICAL := FALSE;
END_LOCAL;
   
IF ('IFCPROFILERESOURCE.IfcParameterizedProfileDef' IN TYPEOF(StartArea)) THEN
   IF ('IFCPROFILERESOURCE.IfcDerivedProfileDef' IN TYPEOF(EndArea)) THEN
      Result := (StartArea :=: EndArea\IfcDerivedProfileDef.ParentProfile);
   ELSE
      Result := (TYPEOF(StartArea) = TYPEOF(EndArea));
   END_IF;
ELSE
   IF ('IFCPROFILERESOURCE.IfcDerivedProfileDef' IN TYPEOF(EndArea)) THEN
      Result := (StartArea :=: EndArea\IfcDerivedProfileDef.ParentProfile);
   ELSE
      Result := FALSE;
   END_IF;
END_IF;

RETURN(Result);

END_FUNCTION;

References  References: IfcExtrudedAreaSolidTapered IfcRevolvedAreaSolidTapered

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