[fitsbits] Spectral FITS -- encoding extraction area/continuum

[Steve Allen]

On Wed 2005-02-16T16:44:12 -0800, Tom Jarrett hath writ:
> 2. How to encode the 'extraction area' into the header?

> Has this problem already been solved?  I have heard (from a source of a
> source) that the NVO is now developing a standard for describing
> areas using multiple circles.  Can anyone point me to some
> of this work?

Have you seen the Euro3D data format at
http://www.aip.de/Euro3D/software.html

It specifies some shapes for IFUs, although not general polygons.

--
Steve Allen          UCO/Lick Observatory       Santa Cruz, CA 95064
sla at ucolick.org      Voice: +1 831 459 3046     http://www.ucolick.org/~sla
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