Open abstract class
The class that represents a region set.
<region>None.
duim-geometryduim-geometry The class that represents a region set; a subclass of <region>.
The following operations are exported from the DUIM-Geometry module.
box-edges do-regions region-contains-position? region-contains-region? region-difference region-empty? region-intersection region-set-function region-set-regions region-union transform-region