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SXGREAD

SXGREAD

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



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