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64-bit netCDF file [message #61884] Mon, 04 August 2008 15:07
Kenneth P. Bowman is currently offline  Kenneth P. Bowman
Messages: 585
Registered: May 2000
Senior Member
We are trying to read some 64-bit netCDF files using IDL 6.4. The
ncdump looks like this

cmga> ncdump -h wrf19960101.ncd
netcdf wrf19960101 { // format variant: 64bit
dimensions:
Time = UNLIMITED ; // (24 currently)
DateStrLen = 19 ;
west_east = 1111 ;
south_north = 254 ;


Trying to read the file in IDL results in this

IDL> id = ncdf_open(in)
% Loaded DLM: NCDF.
% NCDF_OPEN: Unable to open the file "/csrpd/csrpd2/a0m9466/WRF/data/wrf19960101.ncd".
�� � � � � � (NC_ERROR=-51)

where error code -51 indicates that the file is not a netCDF file.

Does anyone know if there is a cure for this, or do I need to wait
for a new version of IDL that will include a more recent netCDF
library?

Ken Bowman
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