.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/miscellaneous/plot_histogram_2D.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download_auto_examples_miscellaneous_plot_histogram_2D.py>`
        to download the full example code

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

.. _sphx_glr_auto_examples_miscellaneous_plot_histogram_2D.py:


===================
Make a 2D Histogram
===================

.. GENERATED FROM PYTHON SOURCE LINES 7-28



.. image-sg:: /auto_examples/miscellaneous/images/sphx_glr_plot_histogram_2D_001.png
   :alt: plot histogram 2D
   :srcset: /auto_examples/miscellaneous/images/sphx_glr_plot_histogram_2D_001.png
   :class: sphx-glr-single-img





.. code-block:: Python

    import timeit
    import tttrlib
    import numpy as np
    import pylab as p


    def histogram2d(data, bins):
        h = tttrlib.doubleHistogram()
        h.set_axis(0, "x", -3, 3, bins, 'lin')
        h.set_axis(1, "y", -3, 3, bins, 'lin')
        h.update(data.T)
        return h.get_histogram().reshape((bins, bins))

    x = np.random.randn(10000)
    y = 0.2 * np.random.randn(10000)
    data = np.vstack([x, y])
    bins = 100

    hist2d = histogram2d(data, 100)
    p.imshow(hist2d)
    p.show()


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

   **Total running time of the script:** (0 minutes 0.100 seconds)


.. _sphx_glr_download_auto_examples_miscellaneous_plot_histogram_2D.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: plot_histogram_2D.ipynb <plot_histogram_2D.ipynb>`

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

      :download:`Download Python source code: plot_histogram_2D.py <plot_histogram_2D.py>`


.. only:: html

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

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