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- Description:
This function inverts a Mapping by reversing the boolean sense
of its Invert attribute. If this attribute is zero (the
default), the Mapping will transform coordinates in the way
specified when it was created. If it is non-zero, the input and
output coordinates will be inter-changed so that the direction
of the Mapping is reversed. This will cause it to display the
inverse of its original behaviour.
- Synopsis:
void astInvert( AstMapping *this )
- Parameters:
-
this
-
Pointer to the Mapping.
Next: astIsA<Class> - Test membership of a class by an Object
Up: AST Function Descriptions
Previous: astIntraReg - Register a transformation function for use by an IntraMap
AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 211
R.F. Warren-Smith & D.S. Berry
30th April 2003
E-mail:ussc@star.rl.ac.uk
Copyright (C) 2003 Central Laboratory of the Research Councils