[gradsusr] Color bar

EMMA SCANLON EMMA.SCANLON.2012 at nuim.ie
Tue Jun 19 09:03:49 EDT 2012


Thank you for your reply, its greatly appreciated.
I just have another question regarding your example with the
"'run cbarn.gs 0.8 0.0'" is this just an example of the file you opened? in particular the "0.8,0.0" part? 


Emma, 





----- Original Message -----
From: RafaelCB <rafael.ciram at gmail.com>
Date: Tuesday, June 19, 2012 1:54 pm
Subject: Re: [gradsusr] Color bar
To: GrADS Users Forum <gradsusr at gradsusr.org>

> Hi Emma,
> 
> Usually when we use the color bar to the command "set gxout shaded", then "set gxout contour" to put values ​​on the boundary.
 > 
> usually "ccols" is greater than the "clevs", example:
 > set clevs 4 6 8 10 12 14 16 18             (8)
> set ccols 9 14 11 13 10 12 2 6 4         (9)
 >  to enter the "CBAR" is necessary to put the "RUN"
  > example: 'run cbarn.gs 0.8 0.0'
 > 
> 
> general example:
> 'define temp=tsh-273.16'
> 'set cint 1'
> 'set gxout shaded'
> 'set csmooth on'
>  'set clevs -5 -3 -1 0  2  4  6  8 10 12 14 16 18 20 22 24 26 28 30 32 34 36'
> 'set ccols 0 9 14 49 48 47 46 45 44 43 42 41 40 20 21 22 23 24 25 26 27 28 29'
> 'd temp'
> 'set ccolor 1'
>  'set gxout contour'
> 'set clevs -5 -3 -1 0 2  4  6  8 10 12 14 16 18 20 22 24 26 28 30 32 34 36'
> 'd temp'
> 'run /home/meteop/rafael/reanalysis/cbarn_new.gs 0.8 0.0'
 > 
> Cheers!
> 
> -- 
> Rafael Censi Borges
> Meteorologia - Epagri/Ciram
> +55 (48)3239-8064/8066
> http://ciram.epagri.sc.gov.br
> 
> 
 > 
> 
> 2012/6/19 EMMA SCANLON <EMMA.SCANLON.2012 at nuim.ie>
 > I just have a question regarding a color bar showing contours for wind speed in GrADS. 
> I've been using the following commands
>  "ga-> set gxout contour > ga-> set clevs 4 6 8 10 12 14 16 18> Number of clevs = 8 > ga-> set ccols 9 14 11 13 10 12 2 6 > Number of ccols = 8> ga-> set cstyle 2> cstyle = 2  > ga-> set cthick 4> cthick = 4 > ga-> d wspd > Contouring at clevs =  4 6 8 10 12 14 16 18> ga-> d contours> Syntax Error:  Invalid Operand" 
 > 
> However, it's not displaying the color bar. Am I doing something wrong with the "cstyle" or "cthick" 
> 
> Any advice would be greatly appreciated.
 > 
> Emma. 
> 
> 
> ---------- Mensagem encaminhada ----------
> From: EMMA SCANLON <EMMA.SCANLON.2012 at nuim.ie>
> To: esrl.psd.data at noaa.gov
>  Cc: 
> Date: Tue, 19 Jun 2012 11:04:23 +0100
> Subject: Re: Opening netcdf
> I just have a question regarding a color bar showing contours for wind speed in GrADS. 
> I've been using the following commands
>  "ga-> set gxout contour > ga-> set clevs 4 6 8 10 12 14 16 18> Number of clevs = 8 > ga-> set ccols 9 14 11 13 10 12 2 6 > Number of ccols = 8> ga-> set cstyle 2> cstyle = 2  > ga-> set cthick 4> cthick = 4 > ga-> d wspd > Contouring at clevs =  4 6 8 10 12 14 16 18> ga-> d contours> Syntax Error:  Invalid Operand" 
 > 
> However, it's not displaying the color bar. Am I doing something wrong with the "cstyle" or "cthick" 
> 
> Any advice would be greatly appreciated.
> 
> Emma. 
> 
> 
> 
> 
> ----- Original Message -----
>  From: esrl.psd.data at noaa.gov
> Date: Wednesday, June 6, 2012 1:03 pm
> Subject: Re: Opening netcdf
> To: EMMA.SCANLON.2012 at nuim.ie
>  Cc: esrl.psd.data at noaa.gov
> 
> > Emma Scanlon,
> > 
> > The GrADS command you need to be using on these files is "sdfopen",
> > not "open".
>  > 
> > Good luck with your research.
> > 
> > On 06/06/2012 05:39 AM, EMMA SCANLON wrote:
> > > Hello,
> > >
> > > I'm currently conducting a thesis showing the changes in SST 
> > along the
>  > > west coast of Ireland. As part of my research I am using SST data
> > > gathered from the ICOADS. As part of this I am using ubuntu 
> > and GrADS to
> > > interpret the data.
> > > I'm having some issues opening the SST .nc files within this.
>  > > When in grads I am using the command "ga-> open sst.mean.nc" 
> > (bearing in
> > > mind I am in the correct directory)
> > >
> > > The following message is showing : canning description file: 
>  > sst.mean.nc> Open Error: Unknown keyword in description file
> > > --> The invalid description file record is:
> > > --> CDF 
> > > The data file was not opened.
>  > > I know this may be a little out of your way to assist me on 
> > this topic
> > > but any information/help would be greatly appreciated.
> > >
> > > Kind regards,
> > >
> > > Emma Scanlon.
>  > 
> > -- 
> > Don Hooper, replying for esrl.psd.data at noaa.gov.
> > Please don't over-ride the Reply-To: address; I
> > read esrl.psd.data at noaa.gov, too. 
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> 
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