This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Russ is correct. To see an example, search for nc_def_var_chunking in libsrc/nc3dispatch.c. You will find this code which is called eventually when the user calls nc_def_var_chunking. As you can see it just returns an error code indicating this is only defined for netcdf-4. static int NC3_def_var_chunking(int ncid, int varid, int contiguous, const size_t *chunksizesp) { return NC_ENOTNC4; } =Dennis Heimbigner Unidata Ticket Details =================== Ticket ID: XHL-435207 Department: Support netCDF Priority: Normal Status: Closed