Definition from IAI: The draughting callout elements can either
be annotated curves, symbols or text.
NOTE: The IfcDraughtingCalloutElement is a type
that had been adopted from ISO 10303, Industrial automation systems and
integration—Product data representation and exchange, Part 101: Integrated
application resources: Draughting.
NOTE Corresponding STEP name:
draughting_callout_element. Please refer to ISO/IS 10303-101:1994 page 14 for
the final definition of the formal standard.
HISTORY New type in Release
IFC2x 2nd Edition.
