7.14 Column Segment Geometry

Expressions that extract geometry unique to column segments. These must be prefixed with column, e.g. column.surfaceTop

surfaceCore	The column net core surface area
surfaceGross	The column gross surface area
surfaceVen	The column net veneer surface area
surfaceVenGross	The column gross veneer surface area
surfaceTop	The column top surface area
surfaceBase	The column base surface area
volumeCore	The column core volume
volumeVen	The column veneer volume
diameter	The column diameter (for round columns, zero for all others)
thickness	The column veneer thickness