Hi Maity,
There are many tools you can use to interpolate your data, but for now
you can use CDO(https://code.zmaw.de/projects/cdo) to do it.

cdo remapbil,gridtarget ifile ofile

Hope it helps




On 31 January 2012 08:41, Suman Maity <suman.buie@gmail.com> wrote:
Hi
RegCM users
This is Suman Maity from IIT Kharagpur, India.Actually I have run regcm4 for Indian domain with 30 km resolution and NNRP1 datasets(2.5 degree, 2.5 degree). I want to compare my model output with NNRP1 data with 30 km resolution which requires
 bi linear interpolation for NNRP1 data.How to generate 30 km resolution data from NNRP1 datasets (2.5 degree, 2.5 degree)?
Is there any ready made tool(grads,cdo,ncar etc.) or the fortran program?
Any solution will highly solicited.Please help me as early as possible.

Thanking you,
Regards
'S Maity'
*******************************************************
Suman Maity
Research Scholar
Center for Ocean, Rivers, Atmosphere and Land Sciences(CORAL)
Indian Institute Of Technology Kharagpur.

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


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Izidine S. Pinto