[gradsusr] define a field from existing field

[Julio Martinez]

Check out maskout and const functions

Enviado desde mi iPad

> El 29/09/2014, a las 20:38, "Jian-Jian Wang" <jjwang at umd.edu> escribió:
> 
> Hi,
> 
> I have an existing field, "sat_rain" , and would like to define a new field "sat_detect", making it to be constant of 1 if sat_rain > 0.
> I tried:
> 
> if (prec > 0) define sat_detect = 1
> 
> sat_detect = if(prec,>,0,2,-a)
> 
> none of them works.  Would you please provide some advice?
> Thank you in advance. 
> 
> Jay
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