.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "examples_gallery/output/storages.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_examples_gallery_output_storages.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_examples_gallery_output_storages.py:


Storage examples
================

This example shows how to use :mod:`~pde.storage` to store data persistently.

.. GENERATED FROM PYTHON SOURCE LINES 7-29



.. image-sg:: /examples_gallery/output/images/sphx_glr_storages_001.png
   :alt: storages
   :srcset: /examples_gallery/output/images/sphx_glr_storages_001.png
   :class: sphx-glr-single-img





.. code-block:: Python


    from pde import AllenCahnPDE, FileStorage, MovieStorage, ScalarField, UnitGrid

    # initialize the model
    state = ScalarField.random_uniform(UnitGrid([128, 128]), -0.01, 0.01)
    eq = AllenCahnPDE()

    # initialize empty storages
    file_write = FileStorage("allen_cahn.hdf")
    movie_write = MovieStorage("allen_cahn.avi", vmin=-1, vmax=1)

    # store trajectory in storage
    final_state = eq.solve(
        state,
        t_range=100,
        adaptive=True,
        tracker=[file_write.tracker(2), movie_write.tracker(1)],
    )

    # read storage and plot last frame
    movie_read = MovieStorage("allen_cahn.avi")
    movie_read[-1].plot()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 4.438 seconds)


.. _sphx_glr_download_examples_gallery_output_storages.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: storages.ipynb <storages.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: storages.py <storages.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: storages.zip <storages.zip>`