NAME¶

nctoh5 - Convert a NetCDF file into a PyTables (HDF5 format) file

SYNOPSIS¶

nctoh5 -h -v -o --complevel=(0-9) --complib=lib --shuffle=(0|1) --fletcher32=(0|1) --unpackshort=(0|1) --quantize=(0|1) netcdffilename hdf5filename

DESCRIPTION¶

Convert a generic NetCDF file into a PyTables (HDF5 format) file

OPTIONS¶

A summary of options is included below.

-h

Prints a help text.

-v

Show more information.

-o

Overwrite destination file.

--complevel=(0-9)

Sets a compression level (0 for no compression, which is the default).

--complib=lib

Sets the compression library to be used during the copy. lib can be set to "zlib", "lzo" or "ucl". Defaults to "zlib".

--shuffle=(0|1)

Activate or not the shuffling filter (default is active if complevel>0).

--fletcher32=(0|1)

Whether activate or not the fletcher32 filter (not active by default).

--unpackshort=(0|1)

Unpack short integer variables to float variables using scale_factor and add_offset netCDF variable attributes (not active by default).

--quantize=(0|1)

Quantize data to improve compression using least_significant_digit netCDF variable attribute (not active by default). See
http://www.cdc.noaa.gov/cdc/conventions/cdc_netcdf_standard.shtml
for further explanation of what this attribute means.

SEE ALSO¶

ptdump(1),ptrepack(1).
These utilities are documented fully by PyTables user's manual.

AUTHOR¶

This manual page was written by Francesc Altet <faltet@carabos.com>.