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[netCDF #ZQW-177600]: Accessing NetCDF variable sections using a command over the Net using OpenDAP
- Subject: [netCDF #ZQW-177600]: Accessing NetCDF variable sections using a command over the Net using OpenDAP
- Date: Fri, 24 Apr 2009 12:03:30 -0600
Hi Peter,
> Is this possible ?
>
> Basically I want do what you THREDDS OpenDap service does but in batch form.
>
> e.g. from the following page I would like to extract from the Ch1 variable,
> lat- 0:1:20, lon - 0:1:20, in some command line way (so I can create a Unix
> shell script to do it).
>
> http://gsics.eumetsat.int/thredds/dodsC/mfg15RadiancetCDF/W_xx-EUMETSAT-Darmstadt,VIS+IR_IMAGERY,MET7+MTP15_C_EUMS_20090420183000.nc.html
You could make an OPeNDAP request with 'wget' but you would get an OPeNDAP
response which probably isn't what you want if you are going to save the
results to disk. A better bet is probably to add the NetCDF Subset Service
(ncss) to the configuration of these datasets and make an ncss request using
'wget'. That way you get back a netCDF file which is a bit easier to deal with
as a local file.
You just need to add the following service element to your existing compound
service:
<service name="ncss" serviceType="NetcdfSubset" base="/thredds/ncss/grid/"
/>
the "servicType" and "base" values need to be as above, the "name" can be
whatever you like.
Hope that helps.
Ethan
Ticket Details
===================
Ticket ID: ZQW-177600
Department: Support THREDDS
Priority: Normal
Status: Closed
