interpolate rotated grid to rectangulat

Hi

I have modified the code to interpolate the rotated grid onto rectangular
lat-lon grid using ESMF function, the code is working but the interpolated
it is not correct. I was hoping you could take a look at the files.

I have dumped 3 files onto yout ftp server. Their names are:
1) text file: hirham_rot_geo_koor.dat - text file containing info on the
rotated grid (1st column - lat, 2nd column - lon) and rectangular
equivalent of the grid (3d column - lat, 4th - lon)
2) model output file: atm.1961-02.daily.nc
3) ncl code: interpolate.ncl

Below is some additional info on the model output grid:

Here is a sketch of the rotated grid (rot.lat, rot.lon)
(24.5,-27.5) ------ (24.5,27.0)
           | |
           | |
(-25.0,-27.5) ------ (-25.0,27.0)
This is a regular grid with uniform resol. of 0.5.

and in geograf. grid (geograf. lat, lon):
(53.8,-134.6) ------ (54.2,135.1)
           | |
           | |
(53.5,-44.7) ------ (53.85,44.2)

We have 110 (nlon) x 100 (nlat) grid points;
resolution is ~50 km (i.e. 0.5 deg in rotated grid; DLON=0.5,DLAT=0.5)

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Received on Fri Apr 19 16:04:31 2013