Name

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EXTGRP

Purpose

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Extract the group parameter information out of SXREAD output

Explanation

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This procedure extracts the group parameter information out of a
header and parameter variable obtained from SXREAD. This allows
astrometry, photometry and other parameters to be easily SXPARed by
conventional methods and allows the image and header to be saved in
a SIMPLE format.

Calling Sequence

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ExtGrp, hdr, par

Input

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HDR - The header which is to be converted (input and output)
PAR - The Parameter string returned from a call to SXREAD

Output

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HDR - The converted header, string array
  OTHER PROCEDURES CALLED:
SXPAR(), SXADDPAR, SXGPAR(), STRN()

History

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25-JUN-90 Version 1 written
13-JUL-92 Header finally added to this ancient procedure, code spiffed up
a bit. Now 3 times faster. Added PTYPE comment inclusion. E. Deutsch
Converted to IDL V5.0 W. Landsman September 1997