[gradsusr] plotting over 0E from netCDF

[Andrew Friedman]

Hi Cathy,
Is it possible that you have already used or modified the data earlier
in your GrADS script than the segment you posted?
Andrew

On Wed, Jun 29, 2016 at 4:57 PM, Cathy Smith (NOAA Affiliate)
<cathy.smith at noaa.gov> wrote:
> Hi all
> This should be an easy question but I'm stumped. I'm trying to plot
> Africa (20W to 55E). the file I'm plotting from is netCDF and the
> longitudes are 0 to 359.27
>
> e.g.
>   lon = 0, 0.7031252, 1.40625, 2.109376, 2.812501, 3.515626, 4.218751,
>      4.921877, 5.625002, 6.328127, 7.031252, 7.734378, 8.437503, 9.140628,
>      9.843754, 10.54688, 11.25, 11.95313, 12.65625, 13.35938, 14.0625,
> ......
>      354.3751, 355.0782, 355.7814, 356.4845, 357.1876, 357.8907, 358.5939,
>      359.297 ;
>
> my grads code has
>
>   if( proj = 'africa' )
>      'set mproj latlon'
>      'set mpdset mres'
>      'set lat -40 45'
>      'set lon -20 55'
>      'set grid on'
>      'set frame on'
>      'set ylint 5'
>       istate=0
>    endif
>
> which plots the data from 0 to 55 only and not the data between 340 and 360.
>
> I also tried 340 to 415 instead of -20 to 55 and that plotted the data
> from 340 to 0 and not 0 to 55.
>
> What am I doing wrong? I know this can be done in GrADS.
>
> Thanks
> Cathy
>
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