Name

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SXGREAD

Purpose

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Read group parameters from a Space Telescope STSDAS image file

Calling Sequence

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grouppar = sxgread( unit, group )

Inputs

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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

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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

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Uses IDL Common STCOMMN to access parameters.

Side Effects

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IO is performed.

Modification History

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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