[gradsusr] Request for solution/suggestion for a problem

[Davide Sacchetti]

the only trick available in grads, for what I know, is:
      * create a gridded mask containg '1' where you want your irregular
        domain to be defined, and undef where not.
      * multiply the field you are interested by the mask.
      * calculate average of multiplied field (undef value are skipped):
        it's what you are looking for

hoping it may help
bye bye
Davide



On Tue, 2013-04-23 at 11:15 +0530, Suman Maity wrote:
> Dear
> All grads users
> This is Suman Maity from IIT Kharagpur, India. I want to discuss a
> problem and i am requesting you all that if you have any solution or
> suggestion then please help me.
> As we know in grads there is command for area average (aave) to get
> area average for a rectangular domain. Now as per my knowledge there
> is no choice for the irregular domain. how to find the area average
> for a irregular domain? is there any software/command/method? I can't
> get any idea to develop that. Please provide any idea in this context.
> If you have any code for that purpose please provide that also.
> 
> Thanking you in advance,
> 
> Regards
> 'S Maity'
> *******************************************************
> Suman Maity
> Research Scholar
> 
> Center for Ocean, Rivers, Atmosphere and Land Sciences(CORAL)
> 
> Indian Institute Of Technology Kharagpur.
> 
> 
> ******************************************************* 
> 
>  
> 
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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