This is a template attribute. Template attributes can be used in filtering, or to retrieve data from the model to use in drawings and reports. For example, when you create a report, Tekla Structures replaces the attributes added in the report template with the corresponding object property values.

Shows the net area of the "shadow" of a part, assembly, or cast unit at its local planes:

• XY-plane

• XZ-plane

• YZ-plane