[ncl-talk] problem in SPI code

[Adam Phillips]

Hi Rajasivaranjan,
I just pasted your script into a window here and used my own precipitation
dataset and I get no errors whatsoever with NCL v6.2.1 or v6.3.0, so I am
not sure what the problem is.

With regards to writing out netCDF files, there is an applications page
devoted to examples of outputting .nc files. Go to the Examples page:
http://www.ncl.ucar.edu/Applications/

and on the lower right hand side of the page there is a link entitled
"Output netCDF". You will likely want to use method #1, as the inefficient
method is sufficient for most applications.

Hope that helps. If you have further questions please respond to the
ncl-talk email list.
Adam



On Tue, Jul 21, 2015 at 9:57 AM, Raja Sivaranjan <rajasivaranjan92 at gmail.com
> wrote:

> Dear all,
>
> i'm trying to calculate spi for aphrodite from 1951 to 2007 using
> dim_spi_n function. I'm not successfull, below is the code and error:
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> *f      = addfile("/home/ponraj/Desktop/aphrodite_mon.nc
> <http://aphrodite_mon.nc>","r")prc    = f->precip
> printVarSummary(prc)dimp   = dimsizes(prc)              ; # monthly
> precipitation valuesntim   = dimp(0)nlat   = dimp(1)mlon   = dimp(2)len
> = (/3, 6, 12/)klen   =  dimsizes(len)spi    =  new((/klen,ntim,nlat,mlon/)
> ,float,prc at _FillValueopt    = Falsedo k=0,klen-1   spi(k,:,:,:) =
> dim_spi_n(prc, len(k), opt, 0)end do*
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> *error:fatal:Undefined identifier: (spi) is undefined, can't
> continuefatal:["Execute.c":8126]:Execute: Error occurred at or near line 33*
> And also i want to save this spi array in netcdf file. i'm not familiar
> with netcdf file writing in ncl. i kindly request you to sort out the
> above problem.
>
> Thanks in advance
> Rajasivaranjan
>
>
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-- 
Adam Phillips
Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
www.cgd.ucar.edu/staff/asphilli/   303-497-1726

<http://www.cgd.ucar.edu/staff/asphilli>
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