[gradsusr] regriding in grads

[PArI Parimala]

Thank u got an idea now.. Thank u
On Aug 4, 2015 3:18 PM, "Jayakrishnan P.R" <prjayakrishnan at gmail.com> wrote:

> May be problem with version of grads. I dont know whether it will work in
> ordinary grads. Regrid function will work in opengrads definitely and I am
> doing it in opengrads only.
> A working example is given below.
>
> 'reinit'
> 'sdfopen rf_2014-15.nc'
> 'set lat -31 45'
> 'set lon 30 110'
> 'set t 1 last'
> 'define rf9=re(rf,0.5,0.5)'
> 'set sdfwrite rf_reg_new.nc'
> 'sdfwrite rf9'
>
>
> Sincerely
> ***********************************************
> Dr. 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, Aug 4, 2015 at 3:04 PM, PArI Parimala <pari.rox112 at gmail.com>
> wrote:
>
>> Hi,
>>
>> Advanced Thank You.
>>
>> Please Help Me.
>> How to do regriding in grads for nc file ?
>>
>> I have 2 nc files one is from model and one s from ncep.com
>> have to regrid the files and find corelation and interpolation.
>>
>>
>>
>> What mistake have i done??
>>
>> 'reinit'
>> 'sdfopen air.mon.mean.nc'
>>
>> 'q file'
>> 'set lat -90 90'
>> 'set lon 0 360'
>> 'set t 1 810'
>> 'set z 1'
>> 'set gxout shaded'
>> 'newgrid = regrid2(sst,2.5)'
>> 'd regrid2(sst,2.5,2.5,bs)'
>> 'define air1 = regrid(air,2.5)'
>> 'd air'
>>
>>
>> 'reinit'
>> 'sdfopen sfc_tmp_ensm_fcst.nc'
>> 'q file'
>> 'set lat -90 90'
>> 'set lon 0 360'
>> 'set t 1 9'
>> 'set gxout shaded'
>> 'set z 1'
>>
>> 'd sfc_tmp'
>> *'d scorr(sst.1,sfc_tmp.2,lon=0,lon=360,lat=-90,lat=90)'
>>
>> ...............................................
>> Error
>>
>>
>> No hardcopy metafile open
>> All files closed; all defined objects released;
>> All GrADS attributes have been reinitialized
>> Syntax Error:  Invalid Operand
>>   'regrid2' not a variable or function name
>>   Error ocurred at column 1
>> DISPLAY error:  Invalid expression
>>   Expression = regrid2(sst,2.5,2.5,bs)
>> Syntax Error:  Invalid Operand
>>   'regrid' not a variable or function name
>>   Error ocurred at column 1
>> DEFINE error:  Invalid expression.
>> .......................................
>>
>>
>> Thank You ...
>> --
>> P at r!
>>
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>>
>
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