Gets the maximum and minimum range for the current HDF Scientific Data Set.
minvalue The minimum data value for the HDF Scientific Data Set.
Usage If present and nonzero, lists the usage for this routine. (Same as the Help keyword.)
The data type of maxvalue and minvalue is determined by the numeric type returned by HDFGETNT.
status = HDFGETRANGE(min, max) IF (status EQ FAIL) THEN $
MESSAGE, 'HDFGETRANGE failed.'
Also refer to the following routine in the HDF Reference Manual:
For a complete list of the HDF convenience routines, refer to Chapter 1, Functional Summary of Routines.