Clears "region A" polygon that was set with pipAddRegionAPolygon.
Syntax
intl pipClearRegionAPolygon( pipOverlapHandle over_h );
Arguments
over_h
Handle from pipInitializeOverlapCheck. Input.
Return Value
PIP_OK
PIP_ERROR
Prerequisites
pipCheckForRegionOverlap or pipCheckForRegionOverlapEx
Alternates
None.
Notes
This function clears the Region A polygon used by pipCheckForRegionOverlapEx or pipCheckForRegionOverlap when comparing two regions.
This function allows for multiple calls to pipAddRegionAPolygon using the same handle returned by pipInitializeOverlapCheck.