[gradsusr] SET A CONSTANT

[AMS EmsiWx Bytča]

Thank you Jeff and Stephen, will try to play with const/maskout first, 
then I will reinstall my Opengrads and try the if statement.


Marian

Dňa 14. 3. 2019 o 15:09 Stephen McMillan napísal(a):
> Marian,
>
> One correction to what I sent...
>
> 'define A=if(dt>25,0,if(dt>=22,2,6))'     added the second )
>
> Stephen
>
> On Thu, Mar 14, 2019 at 10:06 AM Stephen McMillan 
> <smcmillan at planalytics.com <mailto:smcmillan at planalytics.com>> wrote:
>
>     Marian,
>
>     If you have the latest version of GrADS or OpenGrADS, you could do
>     something like this:
>
>     'define dt=t850-t500'
>     'define A=if(dt>25,0,if(dt>=22,2,6)'
>     'd A'
>
>     Stephen McMillan
>
>     On Wed, Mar 13, 2019 at 4:14 PM AMS EmsiWx Bytča
>     <emsiwx at pocasie-bytca.sk <mailto:emsiwx at pocasie-bytca.sk>> wrote:
>
>         Dear all,
>
>
>         I am going crazy combining const/maskout to get what I need.
>
>         I need to set A according the following:
>
>         A= 0 when T850-T500 >25
>
>         A= 2 when T850-T500 22-25
>
>         A= 6 when T850-T500 <22
>
>
>         Would like to ask any master of const/maskout for help.
>
>
>         Thank you very much in advance.
>
>
>         Marian
>
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