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2 changes: 2 additions & 0 deletions doc/conf.py
Original file line number Diff line number Diff line change
Expand Up @@ -45,3 +45,5 @@
# a list of builtin themes.
#
html_theme = "sphinx_rtd_theme"

autodoc_member_order = "bysource"
66 changes: 38 additions & 28 deletions doc/usage.rst
Original file line number Diff line number Diff line change
Expand Up @@ -58,106 +58,89 @@ Bitshuffle

.. autoclass:: Bitshuffle
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

Blosc
=====

.. autoclass:: Blosc
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

Blosc2
======

.. autoclass:: Blosc2
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

BZip2
=====

.. autoclass:: BZip2
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

FciDecomp
=========

.. autoclass:: FciDecomp
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

LZ4
===

.. autoclass:: LZ4
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

Sperr
=====

.. autoclass:: Sperr
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

SZ
==

.. autoclass:: SZ
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

SZ3
===

.. autoclass:: SZ3
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

Zfp
===

.. autoclass:: Zfp
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:

Zstd
====

.. autoclass:: Zstd
:members:
:inherited-members: FilterRefBase, Mapping
:undoc-members:


Get dataset compression
+++++++++++++++++++++++

For **built-in** compression filters (i.e., GZIP, LZF, SZIP),
dataset compression configuration can be retrieved with `h5py.Dataset`_'s
`compression <https://docs.h5py.org/en/stable/high/dataset.html#h5py.Dataset.compression>`_ and
`compression_opts <https://docs.h5py.org/en/stable/high/dataset.html#h5py.Dataset.compression_opts>`_ properties.

For **third-party** compression filters such as the one supported by `hdf5plugin`,
the dataset compression configuration is stored in HDF5
`filter pipeline <https://docs.h5py.org/en/stable/high/dataset.html#filter-pipeline>`_.
This filter pipeline configuration can be retrieved with `h5py.Dataset`_ "low level" API.
For a given `h5py.Dataset`_, ``dataset``:

.. code-block:: python

create_plist = dataset.id.get_create_plist()

for index in range(create_plist.get_nfilters()):
filter_id, _, filter_options, _ = create_plist.get_filter(index)
print(filter_id, filter_options)

For compression filters supported by `hdf5plugin`,
:func:`hdf5plugin.from_filter_options` instantiates the filter configuration from the filter id and options.

.. autofunction:: from_filter_options

Get information about hdf5plugin
++++++++++++++++++++++++++++++++

Expand Down Expand Up @@ -186,6 +169,33 @@ Registering with this function is required to perform additional initialisation

.. autofunction:: register

Get dataset compression
+++++++++++++++++++++++

For **built-in** compression filters (i.e., GZIP, LZF, SZIP),
dataset compression configuration can be retrieved with `h5py.Dataset`_'s
`compression <https://docs.h5py.org/en/stable/high/dataset.html#h5py.Dataset.compression>`_ and
`compression_opts <https://docs.h5py.org/en/stable/high/dataset.html#h5py.Dataset.compression_opts>`_ properties.

For **third-party** compression filters such as the one supported by `hdf5plugin`,
the dataset compression configuration is stored in HDF5
`filter pipeline <https://docs.h5py.org/en/stable/high/dataset.html#filter-pipeline>`_.
This filter pipeline configuration can be retrieved with `h5py.Dataset`_ "low level" API.
For a given `h5py.Dataset`_, ``dataset``:

.. code-block:: python

create_plist = dataset.id.get_create_plist()

for index in range(create_plist.get_nfilters()):
filter_id, _, filter_options, _ = create_plist.get_filter(index)
print(filter_id, filter_options)

For compression filters supported by `hdf5plugin`,
:func:`hdf5plugin.from_filter_options` instantiates the filter configuration from the filter id and options.

.. autofunction:: from_filter_options

Use HDF5 filters in other applications
++++++++++++++++++++++++++++++++++++++

Expand Down
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