CV-2x3-171

No shape representation identifier shall be used twice within the product representation of an element 

Based on          IFC2x3

Initiator            ISG Meeting-Budapest

Effects              Coordination View 2.0

Date                    2011 10 24

Description:

Any product representation of an element may have multiple shape representations. However there shall be no two or more IfcShapeRepresentations having the same RepresentationIdentifier within one IfcProductDefinitionShape.

Example:

     * It is not allowed to export two "Body" shape representations for an element. The following snipped is incorrect and will lead to a validation error:

     #200= IFCSHAPEREPRESENTATION(#100,'Body','CSG',(#210)); /*error*/

     #300= IFCSHAPEREPRESENTATION(#110,'Body','Brep',(#310)); /*error*/

     #400= IFCPRODUCTDEFINITIONSHAPE($,$,(#300,#200)); /*error*/

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