[gradsusr] display one area with one word on map

[Davide Sacchetti]

a different approach would be to use 'set gxout fgrid'
in this way you don't write any string but your values will be shaded
(controlled by set fgvals). Easy and fast.


if you really need to write a string the only idea I have is:
define a variable
use 'q defval variable i j' (looping over lon and lat)
use 'draw string' on i,j found (using 'q gr2xy' to get page coords)
this should work, but it's less fast

hoping it could help
bye bye
Davide

On Thu, 2013-05-23 at 16:24 +0700, Chinh ta huu wrote:
> Dear Mohsen,
>     I will try as you say. But I don't know where some values are 589.
> I'd like to display H word in only area with 589 value (or over 589
> value). I mean our script has to automatically find that area and
> display H word. 
>     Could you give me some detail comments please
> Thank you very much
> 
> 
> Chinh
> 
> 
> On Thu, May 23, 2013 at 4:15 PM, Mohsen Soltani
> <soltani.clima at gmail.com> wrote:
>         Hi Chinh,
>         
>         
>         Use "draw string" to display it on your map as follows:
>         
>         
>            'draw string  9.60 1.00 Hword'  
>         
>         
>         You should adjust the numbers that colored in red based on
>         your interests. And write anything that you want to be
>         appeared on the map in lieu of the blue text.
>         
>         
>         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 Thu, May 23, 2013 at 1:58 AM, Chinh ta huu
>         <chinhth2010 at gmail.com> wrote:
>         
>                 Dear all users
>                 
>                 
>                 I 'd like to display one area in where includes some
>                 special values
>                 
>                 
>                 For example: 
>                 I have geopotential height 500 mb (hgt500). There are
>                 a few points with 589mb and I'd like to display this
>                 area with "H word" on map. 
>                 If anyone know about that, could you comment me please
>                 
>                 
>                 Thank you very much
>                 Chinh 
>                 
>                 
>                 -- 
>                 (Mr.) Ta Huu Chinh
>                 National, Weather Forecasting Center, Ha Noi, Viet
>                 Nam. 
>                 No: 4th, Dang Thai Than, Hoan Kiem, Ha Noi
>                 Tel: 84-903-298-856
>                 Office: 84-43-824-4917
>                 Email: chinhth2010 at gmail.com
>                 Website: http://vn.myblog.yahoo.com/chinhth2005/
>                 Website: http://bestknowledge-chinhth.blogspot.com/
>                 Website: http://anhcuoidep.vn
>                 
>                 
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>         
>         
>         
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> 
> 
> 
> 
> -- 
> (Mr.) Ta Huu Chinh
> National, Weather Forecasting Center, Ha Noi, Viet Nam. 
> No: 4th, Dang Thai Than, Hoan Kiem, Ha Noi
> Tel: 84-903-298-856
> Office: 84-43-824-4917
> Email: chinhth2010 at gmail.com
> Website: http://vn.myblog.yahoo.com/chinhth2005/
> Website: http://bestknowledge-chinhth.blogspot.com/
> Website: http://anhcuoidep.vn
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-- 
--> 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