Negative
This property applies to area elevations. If set, the areas and volumes associated with this object will be treated as negative numbers. That is they will be subtracted from the totals. This allows ar
This property applies to area elevations. If set, the areas and volumes associated with this object will be treated as negative numbers. That is they will be subtracted from the totals. This allows areas to be nested to create such things as parking lot islands.
