2nd Request: Rotated Mercator Projection to Lat-Long

jagadish karmacharya j_karmacharya at YAHOO.COM
Thu Jun 18 03:50:42 EDT 2009


I have gridded data in rotated mercator projection in netcdf file. I want to project the data in lat/long grid using grads. I have tried using data descriptor file setting
pdef isize jsize eta.u lonref latref dlon dlat
option. But when I plot the map ovarlay. There is some shift.
I am using Grads v2.0.a3 in linux mechine. I have attached the output of
ncdump below:

I will highly appreciate any help.


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