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ShiftMap - Add a constant value to each coordinate

Description:
A ShiftMap is a linear Mapping which shifts each axis by a specified constant value.
Constructor Function:
AST_SHIFTMAP
Inheritance
The ShiftMap class inherits from the Mapping class.
Attributes
The ShiftMap class does not define any new attributes beyond those which are applicable to all Mappings.
Functions
The ShiftMap class does not define any new routines beyond those which are applicable to all Mappings.


next up previous 264
Next: SkyAxis - Store celestial axis information
Up: AST Class Descriptions
Previous: SelectorMap - A Mapping that locates positions within one of a set of alternate Regions

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