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Common Non-Standard Features

A collection of common non-standard features are supported when reading a FrameSet from a FitsChan, in addition to those embodied within the available encodings of the FitsChan class. These are translated into the equivalent standard features before being used to create a FrameSet. Note, the reverse operation is never performed: it is not possible to produce non-standard features when writing a FrameSet to a FitsChan (other than those embodied in the available encodings of the FitsChan class). The supported non-standard features include:



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Next: Paper III - Spectral Coordinates
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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