[gradsusr] writing some defined variables in ASCII file

[Muhammad Rahiz]

Could you provide the result of 'q define'?

-- 
Muhammad Rahiz
Researcher & DPhil Candidate (Climate Systems & Policy)
School of Geography & the Environment
University of Oxford

On Thu, 10 Mar 2011, hachelaf rabah wrote:

> Hello Muhamed,
> your script help me , but it doesn't work fine
> i have this warning when i run it :
> ga-> test.gs
> Data Request Error:  File number out of range
>   Variable = tdif0.00353409
>   Error ocurred at column 1
> DISPLAY error:  Invalid expression
>   Expression = tdif0.00353409
> Data Request Error:  File number out of range
>   Variable = sumxtdif1.84828
>   Error ocurred at column 1
> DISPLAY error:  Invalid expression
>   Expression = sumxtdif1.84828
> Data Request Error:  File number out of range
>   Variable = sumttdif663.954
>   Error ocurred at column 1
> DISPLAY error:  Invalid expression
>   Expression = sumttdif663.954
> Data Request Error:  File number out of range
>   Variable = eqmtr8500.173326
> ..............................
> However i need to write just some variables from all screened by taping " q define "
> so i don't know who to filtered just desired variables.
> 
> 
> 2011/3/10 Muhammad Rahiz <muhammad.rahiz at ouce.ox.ac.uk>
>       Dear Rabah,
>
>       EQMVR850,EQMVR500 (& others) are objects which you've defined earlier in your
>       original calculation. If you want to add the defined variables automatically, you
>       can use the 'q define' and 'sublin' command.
>
>       **********
>       'set gxout print'
>
>       n1 = 5 # assuming you have 5 defined variables/objects
>       n2 = 1
>       while (n2 <=n1)
>
>       'q define'
>       var = sublin(result,n2)
>       'd 'var''
>       ret = result
>       res = write("output.txt",ret,append)
>       res = close("output.txt)
> 
> n2 = n2 + 1
> endwhile
> **********
> 
> What the code does is to create a while loop and select each of the defined variables in
> 'sublin(result,n2)' where n2 = 1,2,3,4,5 and print it to output.txt. The following
> illustrates what 'q define' and 'sublin' does;
> 
> 'q define'
> EQMVR850 = 1.58
> EQMVR500 = 1.89
> EQMVR700 = 1.98
> 
> sublin(result,1) # EQMVR850 = 1.58
> sublin(result,2) # EQMVR500 = 1.89
> sublin(result,3) # EQMVR700 = 1.98
> 
> 
> 
> --
> Muhammad Rahiz
> Researcher & DPhil Candidate (Climate Systems & Policy)
> School of Geography & the Environment
> University of Oxford
> 
> On Wed, 9 Mar 2011, hachelaf rabah wrote:
>
>       Dear Muhamaad,
>       Thank you for help , your suggestion works correctely
>       could you tell me who can i add the name of parameter to write it, with the
>       value like that :
>       exemple :
>       EQMVR850 = 1.58
>       EQMVR500 = 1.89
>       EQMVR700 =1.98
>       .......
>       .........
>
>       2011/3/9 Muhammad Rahiz <muhammad.rahiz at ouce.ox.ac.uk>
>            Dear Rabah,
>
>            Could you try the following?
>
>            ...
>            ...
>
>            'set gxout print'
>            'd eqmVr850'
>            ret = result
>            res = write("output.txt",ret,append)
>            res = close("output.txt)
> 
>
>            --
>            Muhammad Rahiz
>            Researcher & DPhil Candidate (Climate Systems & Policy)
>            School of Geography & the Environment
>            University of Oxford
> 
>
>       On Wed, 9 Mar 2011, hachelaf rabah wrote:
>
>            Hello all GRADS users,
>
>            My problem is that i can not find a solution to write some
>            defined parameters like result of
>            summing some parameters.
>            or others statistical operations between variables.
>            i have this part of my script :
>            ......................................
>            'define VV1=mag(UGRDprs.1,VGRDprs.1)'
>            'define VV2=mag(UGRDprs.2,VGRDprs.2)'
>            'define VV3=mag(UGRDprs.3,VGRDprs.3)'
>            'define VVdif=(VV2-VV1)*(VV2-VV1)'
>            'define sumxVVdif=sum(VVdif,x=1,x=139)'
>            'define sumtVVdif=sum(sumxVVdif,y=1,y=159)'
>            'define eqmVr850=sqrt(sumtVVdif/22101)'
>            'd eqmVr850'
>            'define VVdif3=(VV3-VV1)*(VV3-VV1)'
>            'define sumxVVdif3=sum(VVdif3,x=1,x=139)'
>            'define sumtVVdif3=sum(sumxVVdif3,y=1,y=159)'
>            'define eqmVs850=sqrt(sumtVVdif3/22101)'
>            'd eqmVs850'........
>            ..........................................
>            so i need to write the result of eqmVr850 and eqmVs850
>            ....and other variables like that in a ASCII
>            file.
>            i tried that with the fprintf.gs script but it each
>            time,just the last value is wrote because this
>            script erase preceding values wrote in the ASCII file.
>
>            Thank you advance for any suggestions.
> 
> 
>
>            --
>            Cordialement,
>            Best regards,
>            Rabah Hachelaf
>
>                 ______  
>                (          )
>               (            )                      
>              (________)                     
>                 /////////     
> 
> 
> 
>
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> 
> 
> 
>
>       --
>       Cordialement,
>       Best regards,
>       Rabah Hachelaf
>
>            ______  
>           (          )
>          (            )                      
>         (________)                     
>            /////////     
> 
> 
> 
> 
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> 
> 
> 
> --
> Cordialement,
> Best regards,
> Rabah Hachelaf
> 
>      ______  
>     (          )
>    (            )                      
>   (________)                     
>      /////////     
> 
> 
> 
>