CoverLength
Semantic definition
The length measured along the x-axis in the local coordinate system or the radius (in the case of a circular shape in plan) of the cover of the object.
IFC 4.3.1.0 (IFC4X3_ADD1) development
The length measured along the x-axis in the local coordinate system or the radius (in the case of a circular shape in plan) of the cover of the object.