[gradsusr] Display Data from only Specific Levels
Netanel_H
netanel at gmx.com
Thu Oct 15 03:40:10 EDT 2020
You can use wgrib+grep for creating new grib file with selected levels:
For example:
wgrib -s <ORIG-FILE> | grep "925 mb" | grep "875 mb" | grep "825 mb" |
wgrib -i -grib <ORIG-FILE> -o <NEW-FILE>
ב־ 15/10/20 01:28, Mark Sponsler כתב\ה:
> Hi Stephen
> Good idea but it didn't work, probably because I didn't provide enough
> info.
>
> I'm trying to build a shaded plot with the selected levels on the y axis
> and time on the x axis for a single location.
>
> set lat 1
> set lon 1
> set t 1 81
> set lev 1000 550 (but only 925, 875, 825 etc)
> set gxout shaded
> d wind (lev 925, lev 875, lev 825 etc)
>
> How would one select the specified levs and then execute a single
> display operation?
>
> Thanks
> Mark
>
>
> On October 14, 2020 12:15:15 PM PDT, Stephen McMillan
> <smcmillan at planalytics.com> wrote:
>
> Mark,
> 'set lev 1000'
> 'd wind(lev=925)'
> 'd wind(lev=875)'
> etc.
> OR
> 'set lev 925'
> 'd wind'
> 'set lev 875'
> 'd wind'
> etc.
>
> Stephen McMillan
>
> On Wed, Oct 14, 2020 at 3:07 PM MARK SPONSLER <msponsler at comcast.net
> <mailto:msponsler at comcast.net>> wrote:
>
> __
> Hi,
> I have wind data in a grib file over a broad domain for all
> levels from 1000 to 550 mbs.
>
> I want to display wind data for specific levels, not all levels,
> for a specific lat and lon for all times in the grib.
>
> Question: Is there a way to 'set levs 925, 875, 825 etc'
> ....versus 'set lev 1000 550'?
>
> I literally want to ignore the data in level 900, 850, 800 ... etc.
>
> Any suggestions?
>
> Thanks,
> Mark
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> --
> Thanks
> Mark Sponsler
>
>
>
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