IfcDiameterDimension
Definition from buildingSMART: The diameter dimension is a draughting callout that presents the diameter extent of a conic element. It consists of a dimension curve and may have projection curves (but is often defined without projection curves).
NOTE: The dimension text is handled through the IfcStructuredDimensionCallout and associated via the IfcDimensionCalloutRelationship.
Illustration:
NOTE: The IfcDiameterDimension is an entity that had been adopted from ISO 10303, Industrial automation systems and integrationProduct data representation and exchange, Part 202: Application protocol: Associative draughting.
NOTE Corresponding STEP name: diameter_dimension. Please refer to ISO/IS 10303-202:1994 page 487 for the final definition of the formal standard.
HISTORY New entity in Release IFC2x 2nd Edition.
EXPRESS specification:
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