.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/Markers/plot_ellipses.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_Markers_plot_ellipses.py>`
        to download the full example code.

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

.. _sphx_glr_auto_examples_Markers_plot_ellipses.py:


Ellipses
========

Draw ellipses on a 2-D image with
:meth:`~anyplotlib.figure_plots.Plot2D.add_ellipses`.
Use ``markers["ellipses"]["name"].set(...)`` to update them live.

.. GENERATED FROM PYTHON SOURCE LINES 9-29

.. code-block:: Python

    import numpy as np
    import anyplotlib as vw

    rng  = np.random.default_rng(2)
    data = rng.standard_normal((128, 128)).cumsum(0).cumsum(1)
    data = (data - data.min()) / (data.max() - data.min())
    xy   = np.linspace(0, 10, 128)

    fig, ax = vw.subplots(1, 1, figsize=(460, 460))
    v = ax.imshow(data, axes=[xy, xy], units="nm")

    centres = np.array([[32.0, 32.0], [64.0, 96.0], [96.0, 48.0]])
    v.add_ellipses(centres, widths=30, heights=14,
                   angles=[0.0, 45.0, 90.0],
                   name="grains",
                   edgecolors="#ff9100", facecolors="#ff910033",
                   label="grains", labels=["A", "B", "C"])

    fig





.. raw:: html

    <div style="display:block;text-align:center;line-height:0;margin:12px 0;"><iframe src="../../_static/viewer_widgets/sphx_glr_plot_ellipses_001.html" frameborder="0" scrolling="no" style="width:476px;height:476px;border:none;overflow:hidden;display:inline-block;max-width:100%;"></iframe></div>






.. GENERATED FROM PYTHON SOURCE LINES 30-33

Live update
-----------
Resize all ellipses and change colour in one call.

.. GENERATED FROM PYTHON SOURCE LINES 33-38

.. code-block:: Python


    v.markers["ellipses"]["grains"].set(widths=38, heights=18,
                                        edgecolors="#69f0ae",
                                        facecolors="#69f0ae33")
    fig




.. raw:: html

    <div style="display:block;text-align:center;line-height:0;margin:12px 0;"><iframe src="../../_static/viewer_widgets/sphx_glr_plot_ellipses_002.html" frameborder="0" scrolling="no" style="width:476px;height:476px;border:none;overflow:hidden;display:inline-block;max-width:100%;"></iframe></div>







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

   **Total running time of the script:** (0 minutes 0.054 seconds)


.. _sphx_glr_download_auto_examples_Markers_plot_ellipses.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

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

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