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Current
-
FrameSet current Frame index
- Description:
- This attribute gives the index of the Frame which is to be
regarded as the "current" Frame within a FrameSet. The default
is the most recent Frame added to the FrameSet (this Frame
always has an index equal to the FrameSet's Nframe attribute).
- Type:
- Integer.
- Class Applicability:
-
FrameSet
-
All FrameSets have this attribute.
- Notes:
- Inverting a FrameSet (inverting the boolean sense of its
Invert attribute, with the AST_INVERT routine for example) will
interchange the values of its Base and Current attributes.
Next: DSBCentre - The central position of interest in a dual sideband spectrum
Up: AST Attribute Descriptions
Previous: Comment - Include textual comments in output?
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