comp.lang.idl-pvwave archive: archive » how to list variable names from netCDF file?

Home » Public Forums » archive » how to list variable names from netCDF file?

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: how to list variable names from netCDF file? [message #5498 is a reply to message #5351]

Thu, 07 December 1995 00:00

Andy Loughe
Messages: 174
Registered: November 1995

Senior Member

T.Osborn wrote:
>
> Can anyone help me with the following problem?
>
> I am trying to write some IDL code to read in a number of netCDF files, without
> knowing in advance the names of the variables in the file. Is there a routine
> which can return the variable name of the Nth variable in the file?
>
> Once open, I can use ncdf_inquire to find the number of variables, but
> ncdf_varinq says it can only return the name of a variable if you give it
> the variable's id, which can be got from calling ncdf_varid. But ncdf_varid
> requires the variables name! What I need is an equivalent of ncdf_attname,
> which returns the name of the Nth attribute.
>

Maybe the documentation is causing you trouble (imagine that!).
Here is a small example...

file = '/Datasets/nmc/uwnd.79.nc'
ncid = NCDF_OPEN( file )
result = NCDF_INQUIRE( ncid )
num_vars = result.NVARS
for i = 0, num_vars-1 do print, ncdf_varinq(ncid,i)

--------
Andrew F. Loughe (afl@cdc.noaa.gov)
University of Colorado, CIRES * Campus Box 449 * Boulder, CO 80309
phone: (303) 492-0707 fax: (303) 497-7013

Report message to a moderator

[Message index]

		how to list variable names from netCDF file? By: f055 on Thu, 07 December 1995 00:00
		Re: how to list variable names from netCDF file? By: Andy Loughe on Thu, 07 December 1995 00:00

Previous Topic:	Re: Saving animation images
Next Topic:	Re: mbar and event handlers

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 22 18:22:03 PDT 2025

Total time taken to generate the page: 2.87841 seconds