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Hello, My apologies for the delayed response! The netCDF-C library does not provide subsetting via lat/lon. You might check our software page, http://www.unidata.ucar.edu/software/netcdf/software.html, to see if any packages there might meet your needs. To be clear, these are not software packages we support ourselves, but are rather software packages which use the netCDF libraries. I'm sorry I can't provide a more immediately helpful solution, but hopefully this will set you on the right path. Have a great day, -Ward > Hi sir > > Is it possible to subset cf 1.6 complaint hdf5 file based on latlon box > using netcdf C library? > Or do we have a better library for that? > Regards > Ghansham > > Ticket Details =================== Ticket ID: TDM-389432 Department: Support netCDF Priority: Normal Status: Closed