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astNegate
-
Negate the area represented by a Region
- Description:
- This function negates the area represented by a Region. That is,
points which were previously inside the region will then be
outside, and points which were outside will be inside. This is
acomplished by toggling the state of the Negated attribute for
the supplied region.
- Synopsis:
- void astNegate( AstRegion
this )
- Parameters:
-
this
-
Pointer to the Region.
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Up: AST Function Descriptions
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AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 211
R.F. Warren-Smith & D.S. Berry
24th May 2011
E-mail:ussc@star.rl.ac.uk
Copyright (C) 2009 Science \& Technology Facilities Council