[gradsusr] IF statement problem

[AMS EmsiWx Bytča]

Hello Jennifer,

thank you for your reply. I have already got helped. I am using older 
version under Windows (btw. where can I download the latest pack?) , so 
for now I do it like this:

'set prnopts %.0f 1 0'
'd TCDCclm'
cloudbfr = result
oblc = sublin(cloudbfr,3)


if (oblc<10)
obla='J'
endif

............................................................


Kindest regards,


Marian


Dňa 17. 2. 2018 o 15:47 Jennifer M Adams napísal(a):
> The ‘if’ function */in the scripting language/* doesn’t work for 
> evaluating the data in a defined variable in GrADS; it is only for 
> evaluating script variables. As of version 2.1.1.b0, there is an if() 
> function in GrADS and logical operators in the expression syntax for 
> doing this type of calculation. If you are using an older version of 
> GrADS, then the maskout() and const() functions can be used to achieve 
> similar results.
> http://cola.gmu.edu/grads/gadoc/gradfuncif.html
> http://cola.gmu.edu/grads/gadoc/gradfuncconst.html
> http://cola.gmu.edu/grads/gadoc/gradfuncmaskout.html
> —Jennifer
>
>
>> On Feb 15, 2018, at 6:45 PM, AMS EmsiWx Bytča 
>> <emsiwx at pocasie-bytca.sk <mailto:emsiwx at pocasie-bytca.sk>> wrote:
>>
>> Dear GrADS users,
>>
>>
>> I have been on this half a day, but still no success.
>>
>> Part of my script:
>>
>> 'define oblc = TCDCclm'
>>
>> if (oblc<10)
>> obla='J'
>> endif
>> if (oblc>=10 & TCDCclm<30)
>> obla='SJ'
>> endif
>> if (oblc>=30 & TCDCclm<60)
>> obla='P'
>> endif
>> if (oblc>=60 & TCDCclm<90)
>> obla='O'
>> endif
>> if (oblc>=90)
>> obla='Z'
>> endif
>>
>> I want to get obla string based on the total cloud cover, but somehow 
>> the conditions dont work. I always get the last obla='Z' eventhough 
>> the TCDCclm is 34%
>>
>> Could you please guide me on the right track?
>>
>>
>> Thank you in advance for your replies.
>>
>>
>> Marian
>>
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>>
>
> --
> Jennifer Miletta Adams
> Center for Ocean-Land-Atmosphere Studies (COLA)
> George Mason University
>
>
>
>
>
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