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[visad] lambert projection and visad

Hi Lizhi,
I have mm5 model output files with a lambert conic projection and have used visad to view them. I can hopefully help out. Basically, you need to inspect the BigHeader sections, from which you can derive the parameters that Tom mentioned. I have Java code for inspecting an mm5 file, including BigHeader, SubHeaders and data fields. 

FWIW, I prefer the ucar.unidata.geoloc.projection classes in the IDV/Netcdf 
jars to the native visad.georef ones.

Stuart
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