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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Dear netCDF community,when I use Fortran netCDF to create a netCDF file with chunked data, I have to options to do this:
(a) nf90_def_var(ncid, VAR_NAME, NF90_INT, dimids, VARID) nf90_def_var_chunking(ncid, VARID, NF90_CHUNKED, CHUNKSIZES) (b)nf90_def_var(ncid, VAR_NAME, NF90_INT, dimids, VARID, chunksizes = CHUNKSIZES)
Option (a) seems to be consistent with respect to the C netCDF functions. Additionally, one finds this option via the netCDF Fortran 90 Interface Guide: https://www.unidata.ucar.edu/software/netcdf/netcdf-4/newdocs/netcdf-f90/ .
Option (b) is used in the Fortran netCDF test cases (when installing/testing netCDF-F) and in this tutorial: http://www.unidata.ucar.edu/software/netcdf/workshops/2011/nc4chunking/ChunkingExample.html . However, it is not documented here: https://www.unidata.ucar.edu/software/netcdf/netcdf-4/newdocs/netcdf-f90/NF90_005fDEF_005fVAR.html
The same situation prevails for deflating (nf90_def_var_deflate).Is there a technical reason due to that I should prefer one of the two options? Or is it just a question of personal taste and of the readability of my code?
Kind Regards, Daniel
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