- NAME
SXGREAD
- PURPOSE
Read group parameters from a Space Telescope STSDAS image file
- CALLING SEQUENCE
grouppar = sxgread( unit, group )
- INPUTS
UNIT = Supply same unit as used in SXOPEN.
GROUP = group number to read. if omitted, read first group.
The first group is number 0.
- OUTPUTS
GROUPPAR = parameter values from fits group parameter block.
It is a byte array which may contain multiple data types.
The function SXGPAR can be used to retrieve values from it.
- COMMON BLOCKS
Uses IDL Common STCOMMN to access parameters.
- SIDE EFFECTS
IO is performed.
- MODIFICATION HISTORY
WRITTEN, Don Lindler, July, 1 1987
MODIFIED, Don Neill, Jan 11, 1991 - derived from sxread.pro
Converted to IDL V5.0 W. Landsman September 1997