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astGetActiveUnit
-
Determines how the Unit attribute will be used
- Description:
This function
returns the current value of the ActiveUnit flag for a Frame. See
the description of the astSetActiveUnit function
for a description of the ActiveUnit flag.
- Synopsis:
int astGetActiveUnit( AstFrame *this )
- Parameters:
-
this
-
Pointer to the Frame.
- Returned Value:
-
astGetActiveUnit
-
The current value of the ActiveUnit flag.
- Notes:
-
A zero value will be returned if this function is
invoked with the AST error status set, or if it should fail for
any reason.
Next: astGetFrame - Obtain a pointer to a specified Frame in a FrameSet
Up: AST Function Descriptions
Previous: astGet<X> - Get an attribute value for an Object
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