Definition from IAI: An physical quantity,
IfcQuantityCount, that defines a derived count measure to provide an
element's physical property. It is normally derived from the physical
properties of the element under the specific measure rules given by a method of
measurement.
EXAMPLE: An radiator may be measured according
to its number of coils. The actual counting method depends on the method of
measurement used.
HISTORY New entity in IFC Release 2.x
NOTE: It replaces the calcXxx attributes used in previous IFC
Releases
ISSUE See issue and change logs for changes made in IFC Release
2.x
