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AST_NEGATE
-
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.
- Invocation:
- CALL AST_NEGATE( THIS, STATUS )
- Arguments:
-
THIS = INTEGER (Given)
-
Pointer to the Region.
-
STATUS = INTEGER (Given and Returned)
-
The global status.
Next: AST_NORM - Normalise a set of Frame coordinates
Up: AST Routine Descriptions
Previous: AST_MATRIXMAP - Create a MatrixMap
AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 210
R.F. Warren-Smith & D.S. Berry
24th May 2011
E-mail:ussc@star.rl.ac.uk
Copyright (C) 2009 Science \& Technology Facilities Council