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- Description:
This attribute is a boolean value which controls how longitude values
are normalized for display by AST_NORM.
If the NegLon attribute is zero (the default), then normalized
longitude values will be in the range zero to 2.pi. If NegLon is
non-zero, then normalized longitude values will be in the range -pi
to pi.
- Type:
- Integer (boolean).
- Class Applicability:
-
SkyFrame
-
All SkyFrames have this attribute.
Next: Nframe - Number of Frames in a FrameSet
Up: AST Attribute Descriptions
Previous: Ncard - Number of FITS header cards in a FitsChan
AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 210
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