HDF_SD_VARLIST Name
HDF_SD_VARLIST Purpose
Return the number and names of Scientific Data Set (SDS) variables
in a HDF file. Category
HDF utilities. Calling Sequence
RESULT = HDF_SD_VARLIST(HDFID)
Inputs
HDFID Identifier of HDF file opened by caller with HDF_SD_START.
Optional Inputs
None.
Keyword Parameters
None.
Outputs
An anonymous structure containing the number of SDS variables in the file,
and the name of each SDS variable in the file.
The fields in the structure are as follows:
NVARS Number of SDS variables in the file (0 if none were found).
VARNAMES Array of SDS variable names ('' if none were found).
Optional Outputs
None
Common Blocks
None
Side Effects
None.
Restrictions
Requires IDL 5.0 or higher (square bracket array syntax).
Example
file = 'sdsvdata.hdf'
hdfid = hdf_sd_start(file)
result = hdf_sd_varlist(hdfid)
hdf_sd_end, hdfid
help, result, /structure
Modification History
Liam.Gumley@ssec.wisc.edu
http://cimss.ssec.wisc.edu/~gumley
Copyright (C) 1999, 2000 Liam E. Gumley
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.