Definition from IAI: The dimension extent usage declares the
usage of a dimension terminator symbol, being either an origin, or a
target.
NOTE: The IfcDimensionExtentUsage 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:
dimension_extent_usage. Please refer to ISO/IS 10303-101:1994 page 15 for the
final definition of the formal standard.
HISTORY New type in Release
IFC2x 2nd Edition.
