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

.. only:: html

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

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

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

.. _sphx_glr__gallery_heatmap_heatmap.py:


Heatmap or large arrays
=======================
Example showing how ImageGraphics can be useful for viewing large arrays, these can be in the order of 10^4 x 10^4.
The performance and limitations will depend on your hardware.

.. GENERATED FROM PYTHON SOURCE LINES 7-33



.. image-sg:: /_gallery/heatmap/images/sphx_glr_heatmap_001.webp
   :alt: heatmap
   :srcset: /_gallery/heatmap/images/sphx_glr_heatmap_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python


    # test_example = true

    import fastplotlib as fpl
    import numpy as np


    figure = fpl.Figure(size=(700, 560))

    xs = np.linspace(0, 2300, 2300, dtype=np.float16)

    sine = np.sin(np.sqrt(xs))

    data = np.vstack([sine * i for i in range(2_300)])

    # plot the image data
    img = figure[0, 0].add_image(data=data, name="heatmap")
    del data

    figure.show()

    # NOTE: `if __name__ == "__main__"` is NOT how to use fastplotlib interactively
    # please see our docs for using fastplotlib interactively in ipython and jupyter
    if __name__ == "__main__":
        print(__doc__)
        fpl.run()


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

   **Total running time of the script:** (0 minutes 0.774 seconds)


.. _sphx_glr_download__gallery_heatmap_heatmap.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_