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#CV-2x3-111

no doublicated points within a polyloop or polyline

number
 #CV-2x3-111 
based on
 IFC2x3
effects
 extended coordination view
date
 24. Feb 2006
initiator
 ISG meeting in Berlin
summary no duplicated points within a polyloop or polyline

 

Description

An IfcPolyLoop shall have no duplicate points (neither by reference, nor by value). Points are assumed to be identical, when they are the same after applying the precision value of the sending system (stored in IfcGeometricRepresentationContext.Precision).

If no Precision value has been exported, the default precision value of E-8 applies.

Same rule applies also for points within an IfcPolyline.

 

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