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PolarLong
-
The longitude value to assign to either pole
- Description:
- This attribute holds the longitude value, in radians, to be
returned when a Cartesian position corresponding to either the north
or south pole is transformed into spherical coordinates. The
default value is zero.
- Type:
- Double precision.
- Class Applicability:
-
SphMap
-
All SphMaps have this attribute.
Next: PolyTan - Use PVi_m keywords to define distorted TAN projection?
Up: AST Attribute Descriptions
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AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 211
R.F. Warren-Smith & D.S. Berry
24th May 2011
E-mail:ussc@star.rl.ac.uk
Copyright (C) 2009 Science \& Technology Facilities Council