3. Types

The following types are used in the request and event definitions in subsequent sections.

SHAPE_KIND: {Bounding, Clip)
SHAPE_OP: (Set, Union, Intersect, Subtract, Invert)

Set means that the region specified as an explicit source in the request is stored unaltered as the new destination client region. Union means that the source and destination regions are unioned together to produce the new destination client region. Intersect means that the source and destination regions are intersected together to produce the new destination client region. Subtract means that the source region is subtracted from the destination region to produce the new destination region. Invert means that the destination region is subtracted from the source region to produce the new destination region.