[gradsusr] Min max from defined variable

[Davide Sacchetti]

if it can help:
'set lev 950 850'
'define N=(77.6/T)*(lev+4810*(e/T))'
now N is defined on your levels

bye bye
Davide

On Tue, 2012-11-06 at 16:55 +0100, Pascal Grandjean - F5LEN wrote:
> Dear All,
> I'm using a script to compute and mapping refractive index
> for 4 layers from 950mb to 850 mb.
> Variables rh, tmp... used for calculation come from GFS model.
> In my script I have:
> 'define N1=(77.6/T)*(lev+4810*(e/T))'
> So I have 4 defined variables N1, N2, N3 and N4.
> I can map N1, N2... but with this type of variable
> I can't extract max or min values directly with a z variation.
> How can I proceed to mapping max or min?
> Is it possible to make a new grid file with a new variable
> N with 4 levels?
> 
> Thanks for any help.
> 
> Regards,
> 
> Pascal
> 
> 
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--> Attenzione cambio indirizzo: davide.sacchetti at arpal.gov.it
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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