The Pipe Attraction Zone sheet in the SpaceMgmt.xls workbook defines zones that attract pipe.
In addition to the common properties discussed in Space Management Sheets, the following properties can be defined for a pipe attraction zone:
Type a factor that specifies the relative cost of routing pipe through the zone.
Type the direction relative to the local coordinate system in which pipe will be routed.
Specify which face of the zone the routed pipe will lie on.
Specify how the pipes are arranged on that face of the zone.