missing data in .ctl file

Hao He hhe at ATMOS.UMD.EDU
Tue Nov 3 14:55:55 EST 2009


Hi,
   I want to write a .ctl file to read HDF file, but I found in different
variables the definition if missing data is different. For example, I have
-9999 for Var A, and -999 for Var B. Can I put two value in undef like:

undef -9999
undef -999

Thanks!

Hao



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