[gradsusr] Fwrite contd.

[pyarimohan maharana]

Dear Geeta,

use the "q fwrite" command on the GrADS.

This gives you the machine byte order and the undef value.
Edit the .CTL file and put the numbers and try to plot.

This will work.
All the best.

Regards
Pyarimohan


On Wed, Jan 28, 2015 at 8:49 AM, Geeta Geeta <geeta124 at hotmail.com> wrote:

> Hi Davide and all other users.
> This message is in continuation to my earlier e-mail in the previous
> Volume. I have to sum up all the 8 3 hourly TRMM binary files.
>
> Following was my CTL file.
>
> DSET ^3B42.1104%d2.%h2z.7.precipitation.bin
> options template
> TITLE  Precipitation estimates
> UNDEF  -9999.9
> XDEF 1440 LINEAR  -179.875 0.25
> YDEF  400 LINEAR  -49.875  0.25
> ZDEF   1 LEVELS 1000
> TDEF 8 LINEAR  06z22apr2011  3hr
> VARS 1
> data  0   99  3B42 TRMM precipitation estimates [mm/3hr]
> ENDVARS
>
> NOW in MY gs file, I forced grads to write the data.
> 'reinit'
> 'open rfaccum.ctl'
> 'define rf1=data(t=1)'
> 'define rf2=data(t=2)'
> 'define rf3=data(t=3)'
> 'define rf4=data(t=4)'
> 'define rf5=data(t=5)'
> 'define rf6=data(t=6)'
> 'define rf7=data(t=7)'
> 'define rf8=data(t=8)'
> 'define rf=rf1+rf2+rf3+rf4+rf5+rf6+rf7+rf8'
> 'd rf'
> 'printim figure1.gif'
> *'set x 1 1440'*
> *'set y 1 400 '*
> *'set fwrite  Obs22apr2011.bin'*
> 'set gxout fwrite'
> 'd rf'
> 'disable fwrite'
> I got same size of O/P file *Obs22apr2011.bin. *
>
>
>
> *2304000 Jan 27 14:17 3B42.110423.00z.7.precipitation.bin-rw-r--r--    1
> model    staff       2304000 Jan 27 14:18
> 3B42.110423.03z.7.precipitation.bin-rw-r--r--    1 model    staff
> 2304000 Jan 27 14:22 3B42_daily.2011.04.22.7.bin-rw-r--r--    1 model
>  staff       2304000 Jan 28 13:12 Obs22apr2011.binNow when I PLOT
> Obs22apr2011.bin file, It is only plotting the eastern hemisphere. (Figures
> attached). Following is the CTL file------SET Obs22apr2011.binoptions
> big_endianTITLE  Precipitation estimatesUNDEF  -9999.9XDEF  1440 LINEAR
> -179.875 0.25YDEF  400 LINEAR  -49.875  0.25ZDEF   1 LEVELS 1000TDEF 1
> LINEAR  00z22apr2011  1dyVARS 1data  0   99  3B42 TRMM precipitation
> estimates [mm/3hr]ENDVARS~~~~~~~~~~~~~~~"dailyrf.ctl" 11 lines, 305
> charactersKindly suggest. *
>
>
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>
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