[gradsusr] How to change the color spectrum into a black and white / grey spectrum?

Wed Apr 17 12:01:27 EDT 2013

Dear Martin;

Thank you so much for your wonderful help. It was such a good suggestion!

Cheers,
Mohsen

--
some are weather-wise some are otherwise!
--
Best Wishes,
(Mr.) Mohsen Soltani
Climatology Grad Student (M.Sc.),
Faculty of Geography, University of Tehran, Tehran, Iran
Tel: (+98) 9119772934
e-mail: soltani.clima at gmail.com

On Wed, Apr 17, 2013 at 5:57 AM, Martin V. Mathew
<vmartinmathew at gmail.com>wrote:

> Hi
>
> You may also use the attached grads script named 'colormap_lib.gs' to set
> color maps other than default rainbow color map. This function have 20
> color maps, each of those color map contain 22 shades. The numbers (which
> is required for command 'set ccols') corresponding to each shade can be
> viewed from the attached figure 'colormap.eps'.
>
> You can run this function from grads script or executable files. Here I am
> giving an example for setting gray colormap.
>
> * 'Usage: colormap_lib.gs 'No. representng required colormap' '<optional
> list flag>'
> *              where arguments        No. representng required colormap
> can have values 0 to 20'
> *                      <optional list flag>  -----> setting 1 will list
> all available colormaps in the function'
> run colormap_lib.gs 2
> set gxout shaded
> set clevs 18 19 19.5 20 20.5 21 21.5 22 22.5 23 23.5 24 25 26 27 28 29 30
> 31
> set ccols 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 36
> d  sst
>
> Regards
>
> Martin
>
>
> On 17 April 2013 17:47, Mohsen Soltani <soltani.clima at gmail.com> wrote:
>
>> Dear Davide;
>>
>> Thank very much for your nice suggestions. I really appreciate it.
>>
>> Cordially,
>> Mohsen
>>
>>
>> --
>> some are weather-wise some are otherwise!
>> --
>> Best Wishes,
>> (Mr.) Mohsen Soltani
>> Climatology Grad Student (M.Sc.),
>> Faculty of Geography, University of Tehran, Tehran, Iran
>> Tel: (+98) 9119772934
>> e-mail: soltani.clima at gmail.com
>>
>>
>> On Wed, Apr 17, 2013 at 12:59 AM, Davide Sacchetti <
>> davide.sacchetti at arpal.gov.it> wrote:
>>
>>> for X11 display:
>>>         set display gray white
>>>         clear
>>>
>>> for the palette:
>>>         set ccolor rainbow
>>> or:
>>>         set ccolor revrain (old command: it doesn't seem to have any
>>>         affect on grads2)
>>>
>>> for eps output:
>>>         gxeps -b ...
>>>
>>>
>>> if you want to produce a custum palette you can, e.g.:
>>>         set rgb 20 ...
>>>         set rgb 21 ...
>>>         ...
>>>         set rgb 30 ...
>>>         set rbcols 20 21 ... 30
>>> or:
>>>         set ccols 20 21 ... 30
>>>         set clevs ...
>>>
>>> bye bye
>>> Davide
>>>
>>> On Tue, 2013-04-16 at 22:32 -0700, Mohsen Soltani wrote:
>>> > Dear Friends;
>>> >
>>> > I wanna make a grey output. How can I change the colorbar's spectrum
>>> > from color into grey? I mean I’ve like to have a heavy dark black to
>>> > light grey and finally white colorbar's spectrum.
>>> >
>>> >
>>> >
>>> > I used this to make a grey chart, …..  '!gxeps -b -i filename -o E:/
>>> > filename.eps' . Using "-b " instead of –C, produces a black and white
>>> > map. But I’m afraid the output doesn’t look like very good! Therefore,
>>> > I wanna change it from color into a range of black and white colors
>>> > through defining new colorbar's spectrum.
>>> >
>>> >
>>> >
>>> > How can I do that? Any suggestion?
>>> >
>>> >
>>> >
>>> > Yours,
>>> >
>>> > Mohsen
>>> >
>>> >
>>> > --
>>> > some are weather-wise some are otherwise!
>>> > --
>>> > Best Wishes,
>>> > (Mr.) Mohsen Soltani
>>> > Climatology Grad Student (M.Sc.),
>>> > Faculty of Geography, University of Tehran, Tehran, Iran
>>> > Tel: (+98) 9119772934
>>> > e-mail: soltani.clima at gmail.com
>>> >
>>> > _______________________________________________
>>> > gradsusr mailing list
>>> > gradsusr at gradsusr.org
>>> > http://gradsusr.org/mailman/listinfo/gradsusr
>>>
>>> --
>>> --> Attenzione cambio indirizzo: davide.sacchetti at arpal.gov.it
>>> --
>>> Davide Sacchetti
>>> Centro Funzionale Meteo Idrologico di Protezione Civile della Regione
>>> Liguria
>>> ARPAL Unità Tecnica Complessa di livello Regionale
>>> V.le Brigare Partigiane 2 16121 Genova (I)
>>> tel: +39 010 6437535                    fax: +39 010 6437520
>>> mail: davide.sacchetti at arpal.gov.it     web: www.meteoliguria.it
>>>
>>>
>>> _______________________________________________
>>> gradsusr mailing list
>>> gradsusr at gradsusr.org
>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>
>>
>>
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>>
>>
>
>
> --
> Martin V. Mathew
> Research scholar
> Centre for Oceans, Rivers, Atmosphere and Land Sciences (CORAL)
> IIT Kharagpur
> India.
>
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>
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