[RegCNET] Facing problem in plotting the Rotated Merchator Projection after fwrite

[Graziano Giuliani]

On 11/30/2010 10:48 PM, Kanhu Charan Pattnayak wrote:
> Dear REGCM Users
>
> I am having the RegCM output in Rotated Merchator Projection. When I am
> plotting the rainfall after taking the average it showing a clear picture of
> average rainfall for that period in Grads-2-0-a8 as in the attached figure *
> rain_before_fwrite.jpg*. But when I took the average and wrote in to another
> file using *fwrite command* and plotted it showing some undefined values as
> shown in the attached figure *rain_after_fwrite.jpg*. I don't know where is
> the problem.
[...]

Did You check endianess? AFAIK GrADS writes out data with the endianess of the 
architecture. The RegCM model forces the file to be big endian (coming from the 
old era where all BIG machines where big endian), but a common PC is little 
endian. Try to remove the big_endian options line in the ctl reading the 
fwritten file.

Ciao!

Graziano.