[gradsusr] Only plot data IF var <= 10

[Jeff Duda]

Unless you're running OpenGrads, if statements do not work on fields. IF
statements in scripts only apply to script variables.

The field analogy to the IF statement is to use a combination of const()
and maskout(), usually nested. Your example would be converted into

d maskout(tmp2m,5-tmp2m)

Jeff Duda

On Sat, Dec 26, 2015 at 2:54 PM, Christopher Gilroy <chris.gilroy at gmail.com>
wrote:

> Hey guys, I don't believe IF statements are meant to be used like this
> which would make sense why it's not working:
>
> 'define maxtemp = max(tmpprs,lev=1000,lev=500)-273.15'
>
> if ( maxtemp <= 5 )
> 'd tmp2m'
> endif
>
> That expectation would have been to only plot tmp2m where maxtemp <= 5.
>
> As I said, I don't think it's as easy/designed to use IF statements like
> this? I think I may have to do something with const and maskout in order to
> do something like this?
>
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>


-- 
Jeff Duda
Graduate research assistant
University of Oklahoma School of Meteorology
Center for Analysis and Prediction of Storms
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