[gradsusr] Dimensions that Grads can operate

[M.Mahakur]

Hi,

You have 8 pressure levels, but zero (0) here:

u 0 99 mean Daily qu [kg/s]

Also, please check your undefine value after fwrite. Is it -999 or grads default undefine?

Regards,


----- Original Message -----
From: Jayakrishnan P.R <prjayakrishnan at gmail.com>
To: GrADS Users Forum <gradsusr at gradsusr.org>
Sent: Wed, 22 Apr 2015 16:01:27 +0530 (IST)
Subject: Re: [gradsusr] Dimensions that Grads can operate

Thanks. Eventhough the script after modification is working, the output
file is having some endian problem or the output figure is erroneous. The
modified script and ctl file is as follows.

*********************************************************************

'reinit'
'sdfopen G:/Sample_MT/samp/uwnd.2006.nc'
prompt 'key in filename'
pull fname
'set fwrite 'fname
yy=1
while(yy<=73)
xx=1
while(xx<=144)
'set x 'xx
'set y 'yy
tm=1
while(tm<=7)
  'set t 'tm
prl=1
while(prl<=8)
'set t 'tm
'set z 'prl
'set gxout fwrite'
'd uwnd'
prl=prl+1
         endwhile
       tm=tm+1
      endwhile
     xx=xx+1
   endwhile
 yy=yy+1
 endwhile
'disable fwrite'



dset ^U.grd
undef -999.000000
xdef 144 linear 0.0 2.5
ydef 73 linear -90.0 2.5
zdef  8 levels 1000 925 850 700 600 500 400 300
tdef 7 linear 00:00Z23jun2006 24hr
vars 1
u 0 99 mean Daily qu [kg/s]
endvars





Sincerely
***********************************************
Jayakrishnan.P.R
Project Scientist-C
National Centre for Medium Range Weather Forecasting
Earth System Science Organisation
Ministry of Earth Sciences
A-50, Sector 62, NOIDA -201 309, INDIA
Mob: 09496026547
Alternate Email: jkrishna at ncmrwf.gov.in

***********************************************

On Tue, Apr 21, 2015 at 7:49 PM, Madhu Latha <madhulatha11 at gmail.com> wrote:

> hi
> it will work
> you have to keep x,y also in while loop
> for example
>
> yy=117
> while(yy<=119)
> xx=164
> while(xx<=166)
> 'set x 'xx
> 'set y 'yy
> tm=1
>
> while(tm<=76)
>   'set t 'tm
> prl=2
> while(prl<=20)
> 'set t 'tm
> 'set z 'prl
> 'd u'
> 'save here with file name'
> prl=prl+1
>          endwhile
>        tm=tm+1
>       endwhile
>      xx=xx+1
>    endwhile
>  yy=yy+1
>
> you try this,it may work.
>
> On Tue, Apr 21, 2015 at 5:45 PM, Jayakrishnan P.R <
> prjayakrishnan at gmail.com> wrote:
>
>> Hello,
>>         I am in need of converting NCEP wind data to gridded format
>> extracted over a latitude longitude domain. I wrote a script for this thing
>> like the following.
>>
>> 'reinit'
>> 'sdfopen G:/Sample_MT/samp/uwnd.2006.nc'
>> 'set x 1 144'
>> 'set y 1 73'
>> prompt 'key in filename'
>> pull fname
>> 'set fwrite 'fname
>> tt=1
>> while (tt<=365)
>> 'set t 'tt
>> zz=1
>> while (zz<=17)
>> 'set z 'zz
>> 'set gxout fwrite'
>> 'd uwnd'
>> zz=zz+1
>> endwhile
>> tt=tt+1
>> endwhile
>>
>>
>> But eventhough the script is working, it extracts the data for a single
>> level only. Do grads operate if we give dimensions greater than 2?. I mean,
>> latitude is varying, longitude is varying, Time is varying, Level is
>> varying for output..?
>>
>>
>>
>> Sincerely
>> ***********************************************
>> Jayakrishnan.P.R
>> Project Scientist-C
>> National Centre for Medium Range Weather Forecasting
>> Earth System Science Organisation
>> Ministry of Earth Sciences
>> A-50, Sector 62, NOIDA -201 309, INDIA
>> Mob: 09496026547
>> Alternate Email: jkrishna at ncmrwf.gov.in
>>
>> ***********************************************
>>
>> _______________________________________________
>> gradsusr mailing list
>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr
>>
>>
>
>
> --
>
>
> *With RegardsMadhulatha Akkisetti*
>
> *Project Scientist - C*
>
>
> *National Centre for Medium Range Weather Forecasting (NCMRWF) Ministry of
> Earth Sciences (MoES) *
>
> *Noida, UP*
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>
>

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