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Hi Tim, > Attached please find the .nc file which can be read by IDV2.7, but can not be > read > by IDV2.6. > > Do you think that the NetCDF lib is also needed to be updated? When > > I used the current version of NetCDF (netcdf-4.0.1.tar.gz - Latest > > stable release of netCDF as a gzipped tar file.) in GDAL, it can > > read some netcdf files. But, failed to read that mentioned file > > (ftp://grid1.cos.gmu.edu/pub/). What's your opinion about this? I tried running the ncdump utility built from netcdf-4.0.1.tar.gz, (using "--enable-netcdf-4" in the configure step when building) and it worked OK on the file you attached. Maybe when you built netcdf-4.0.1, you just used all the defaults without specifying "--enable-netcdf-4", in which case you would not be able to read netCDF-4 files, only netCDF classic and 64-bit offset files. The file you attached was a netCDF-4 file. For more information about the different format variants for netCDF, see the FAQ section "Formats, Data Models, and Software Releases": http://www.unidata.ucar.edu/netcdf/docs/faq.html#formats-and-versions --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: DXK-228962 Department: Support netCDF Priority: Normal Status: Closed