Hi Zhan,
I assume you are using ncdump to look at the NetCDF file. If so, you should be aware that ncdump always shows values equal to the _FillValue as a "_", no matter what the _FillValue is set to.
-dave
On Oct 8, 2012, at 12:03 PM, Zhan Zhao wrote:
> Dear NCL users,
>
> I am trying to use ncl_convert2nc to convert GRIB file (NARR reanalysis data) to netcdf format. There seem to be some problem for the "FillValue" in the generated netcdf file. The variable description in the file header shows that the "FillValue" for missing data is 1.e+20f, however, the "FillValue" in the data are shown as "_" in the netcdf file. The command I used was: ncl_convert2nc filename
>
> Could you please give me any suggestions on how to fix this problem?
>
> Thanks a lot!
>
> Zhan
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Received on Mon Oct 8 12:50:53 2012
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