[gradsusr] Saving local copies of OPENDAP NetCDF files using SDFWRITE

[Huw Davies]

Thanks Jennifer - not seeing the wood for the trees issue! 

 

From: gradsusr-bounces at gradsusr.org [mailto:gradsusr-bounces at gradsusr.org]
On Behalf Of Jennifer Adams
Sent: 09 September 2013 14:13
To: GrADS Users Forum
Subject: Re: [gradsusr] Saving local copies of OPENDAP NetCDF files using
SDFWRITE

 

The first time step seems to be missing in the original data. Data are there
in u_curr.nc for t=2 and t=3. 

--Jennifer

 

On Sep 8, 2013, at 1:54 PM, Huw Davies wrote:





Hello team.

I am using RTOFS current files using OPeNDAP. My script is:

 

*open data file (need to specify correct file)

'sdfopen
http://nomads.ncep.noaa.gov:9090/dods/rtofs/rtofs_global20130908/rtofs_glo_2
ds_nowcast_daily_prog'

 

* save local copy

'set t 1 last'

'set x 1 4320'

'set y 1 2160'

'define u = u_velocity'

'set sdfwrite u_curr.nc'

'sdfwrite u'

'define v = v_velocity'

'set sdfwrite v_curr.nc'

'sdfwrite v'

 

This saves a NetCDF file which I can open using 'sdfopen' and has the
correct parameters and variable ('u').

However when I try to plot the variable I receive the error:

'Cannot contour grid - all undefined values'

 

Most grateful for any guidance.

Huw

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--

Jennifer M. Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
111 Research Hall, Mail Stop 2B3
George Mason University
4400 University Drive
Fairfax, VA 22030 

 





 

 

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