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The following describes the most significant changes which
occurred in the AST library between versions V1.8-7 and V1.8-8:
- 1.
- A bug has been fixed in the FitsChan class which could cause
problems when creating a FrameSet from a FITS header containing WCS
information stored in the form of Digitised Digitised Sky Survey (DSS)
keywords. These problems only occurred for DSS fields in the southern
hemisphere, and resulted in pixel positions being mapped to sky positions
close to the corresponding northern hemispshere field.
- 2.
- A new method called
astBoundingBox
has been added to the Plot class. This method returns the bounding box of
the previous graphical output produced by a Plot method.
- 3.
- A new attribute called Invisible has been added to the Plot class
which suppresses the graphical output normally produced by Plot methods.
All the calculations needed to produce the normal output are still
performed however, and so the bounding box returned by the new
astBoundingBox
method is still usable.
- 4.
- Bugs have been fixed related to the appearance of graphical output
produced by the Plot class. These bugs were to do with the way in which
graphical elements relating to a specific axis (e.g. Colour(axis1), etc.)
interacted with the corresponding generic element (e.g.
Colour(axes), etc.).
Next: Changes Introduced in V1.8-13
Up: Changes and New Features
Previous: Changes Introduced in V1.8-7
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