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

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

.. _sphx_glr_auto_examples_Markers_polygons.py:


Polygon  Markers
================

.. GENERATED FROM PYTHON SOURCE LINES 8-9

Create a signal

.. GENERATED FROM PYTHON SOURCE LINES 9-19

.. code-block:: Python


    import hyperspy.api as hs
    import matplotlib.pyplot as plt
    import numpy as np

    # Create a Signal2D with 2 navigation dimensions
    rng = np.random.default_rng(0)
    data = np.ones((25, 25, 100, 100))
    s = hs.signals.Signal2D(data)








.. GENERATED FROM PYTHON SOURCE LINES 20-22

This first example shows how to draw static polygon markers using the matplotlib
PolygonCollection

.. GENERATED FROM PYTHON SOURCE LINES 22-41

.. code-block:: Python


    # Define the vertexes of the polygons
    # poylgon1: [[x0, y0], [x1, y1], [x2, y2], [x3, x3]]
    # poylgon2: [[x0, y0], [x1, y1], [x2, y2]]
    # ...
    poylgon1 = [[1, 1], [20, 20], [1, 20], [25, 5]]
    poylgon2 = [[50, 60], [90, 40], [60, 40], [23, 60]]

    verts = [poylgon1, poylgon2]

    m = hs.plot.markers.Polygons(
        verts=verts,
        linewidth=3,
        facecolors=('g',),
        )

    s.plot()
    s.add_marker(m)




.. rst-class:: sphx-glr-horizontal


    *

      .. image-sg:: /auto_examples/Markers/images/sphx_glr_polygons_001.png
         :alt: polygons
         :srcset: /auto_examples/Markers/images/sphx_glr_polygons_001.png
         :class: sphx-glr-multi-img

    *

      .. image-sg:: /auto_examples/Markers/images/sphx_glr_polygons_002.png
         :alt:  Signal
         :srcset: /auto_examples/Markers/images/sphx_glr_polygons_002.png
         :class: sphx-glr-multi-img





.. GENERATED FROM PYTHON SOURCE LINES 42-47

Dynamic Polygon Markers
#######################

This example shows how to draw dynamic polygon markers, whose position
depends on the navigation coordinates

.. GENERATED FROM PYTHON SOURCE LINES 48-65

.. code-block:: Python


    verts = np.empty(s.axes_manager.navigation_shape, dtype=object)
    for ind in np.ndindex(verts.shape):
        verts[ind] = rng.random((10, 4, 2)) * 100

    # Get list of colors
    colors = list(plt.rcParams['axes.prop_cycle'].by_key()['color'])

    m = hs.plot.markers.Polygons(
        verts=verts,
        facecolors=colors,
        linewidth=3,
        alpha=0.6
    )
    s.plot()
    s.add_marker(m)




.. rst-class:: sphx-glr-horizontal


    *

      .. image-sg:: /auto_examples/Markers/images/sphx_glr_polygons_003.png
         :alt: polygons
         :srcset: /auto_examples/Markers/images/sphx_glr_polygons_003.png
         :class: sphx-glr-multi-img

    *

      .. image-sg:: /auto_examples/Markers/images/sphx_glr_polygons_004.png
         :alt:  Signal
         :srcset: /auto_examples/Markers/images/sphx_glr_polygons_004.png
         :class: sphx-glr-multi-img





.. GENERATED FROM PYTHON SOURCE LINES 66-67

sphinx_gallery_thumbnail_number = 2


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

   **Total running time of the script:** (0 minutes 2.067 seconds)


.. _sphx_glr_download_auto_examples_Markers_polygons.py:

.. only:: html

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

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

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

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

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


.. only:: html

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

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