[ncl-talk] downloading partial netcdf file

[Micah Sklut]

Okay, great. Thanks for your help, ncks looks like the tool I've been
looking for.

On Mon, Jun 10, 2019 at 2:18 PM Cathy Smith <cathy.smith at noaa.gov> wrote:

> You could use ncks for a single line extraction (see PSD page below that
> Dennis helpfully supplied). e.g.
>
>  ncks -v lat
> https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/interp_OLR/olr.mon.mean.nc
> a.nc
>
> or
>
> ncks -v olr
> https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/interp_OLR/olr.mon.mean.nc
> a.nc
>
> (ncks keeps coordinate variables too)
>
> NCL will read and write a netCDF file with a single variable usinfg the
> OPEnDAP URL though you have to write a few lines of code. You could even
> make that work as command line routine and read in variable/file to save.
>
> I'm sure there are other ways, too.
>
> Cathy
>
>
> On 6/10/19 11:35 AM, Dennis Shea wrote:
>
>
> re: " ... *only downloading specific variables of a NetCDF file"*
>
> The question is unclear. In what context?
> Are you talking about accessing a variable from a remote site [ eg: a NOAA
> server ] from within a NCL script?
>      See: *https://www.ncl.ucar.edu/Applications/opendap.shtml*
> <https://www.ncl.ucar.edu/Applications/opendap.shtml>
>
> ----
>
> The ESRL: PSD site provides
> *https://www.esrl.noaa.gov/psd/data/gridded/using_dods.html#software*
> <https://www.esrl.noaa.gov/psd/data/gridded/using_dods.html#software>
>
> links to a number of tools to do what you want
>
> Good luck
>
> On Mon, Jun 10, 2019 at 10:01 AM Micah Sklut <micahs2005 at gmail.com> wrote:
>
>> I haven't found any info regarding only downloading specific variables of
>> a NetCDF file, but I just wanted to check with the NCL community in case I
>> am missing something.
>>
>> Thank you.
>>
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> ----------------------------------------------
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>
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-- 
Micah Sklut
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