[gradsusr] imd data extraction

MY funnytyphoon at gmail.com
Fri Jul 23 01:11:17 EDT 2010


Also, add the following two lines in your .gs file, you can write the
results of 'd rf' to a txt file:

rc=write('result.txt', result)
rc=close('result.txt')

best wishes,
++++++++++++++++++++++++++++++++++++++++++++++++++++
YING, Ming
Shanghai Typhoon Institute of China Meteorological Administration
166 Puxi Road, Xuhui District, Shanghai, 200030
PR China
++++++++++++++++++++++++++++++++++++++++++++++++++++





2010/7/22  <dhaval.prajapati at iccsir.org>:
> Dear Ramaraju,
>
> you open .ctl file in grads
> Then tipe following commands
>
> set gxout print
> set lat                                                          for
> example  set lat 21.3
> set lon                                                         for example
> set lat 73.5
> set t                                                             for
> example  set t 1  57
> set prrnopts %g 1 1
> d rf
>
> You will get the rainfall output  in Ascii fornate which you can cut pest in
> Excel file and then you can use in GIS
> I am also working with GIS environment let me know if you know how to use
> netcdf data in GIS
> There is one way of using binary data in GIS you have create .hdr file
> (header file) like we create .ctl (control file in grads)  with header file
> you can you binary data in GIS
> Thanks,
>
>
>
> -----Original Message-----
> From: RAMARAJU NAGARJUNA KUMAR [mailto:rnagarjunakumar at yahoo.com]
> Sent: Thursday, July 22, 2010 02:11 PM
> To: gradsusr at gradsusr.org
> Subject: [gradsusr] imd data extraction
>
> sir, i am new user to Grads. I am learning. Now I have IMD pune grid data
> for temperature and riainfall. I want to extract for particular lan and lon
> and want to store in Excel or in .txt file. Kindly help in writing seqence
> of commands how to write in that data . They given .ctl file.from that how
> to convert that into netcdf. then I can use in ArcGis.kindly advise how to
> use this data in ArcGIS. Thanking you sir R.Nagarjuna kumar Scientist(C.A)
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