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

.. only:: html

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

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

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

.. _sphx_glr__gallery_mesh_polygons.py:


Polygons
========

An example with polygons.

.. GENERATED FROM PYTHON SOURCE LINES 8-61



.. image-sg:: /_gallery/mesh/images/sphx_glr_polygons_001.webp
   :alt: polygons
   :srcset: /_gallery/mesh/images/sphx_glr_polygons_001.webp
   :class: sphx-glr-single-img


.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    /home/runner/work/fastplotlib/fastplotlib/fastplotlib/graphics/features/_base.py:18: UserWarning: casting float64 array to float32
      warn(f"casting {array.dtype} array to float32")







|

.. code-block:: Python


    # test_example = True

    import fastplotlib as fpl
    import numpy as np
    from cmap import Colormap

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


    def make_circle(center, radius: float, n_points: int = 75) -> np.ndarray:
        theta = np.linspace(0, 2 * np.pi, n_points, endpoint=False)
        xs = radius * np.sin(theta)
        ys = radius * np.cos(theta)

        return np.column_stack([xs, ys]) + np.asarray(center)[None]


    # define vertices for some polygons
    circle_data = make_circle(center=(0, 0), radius=5)
    octogon_data = make_circle(center=(15, 0), radius=7, n_points=8)
    rectangle_data = np.array([[10, 10], [20, 10], [20, 15], [10, 15]])
    triangle_data = np.array(
        [
            [-5, 8],
            [5, 8],
            [0, 15],
            [-5, 8],
        ]
    )

    # add polygons
    figure[0, 0].add_polygon(circle_data, name="circle")
    figure[0, 0].add_polygon(
        octogon_data,
        colors=Colormap("jet").lut(8), # set vertex colors from jet cmap
        name="octogon"
    )
    figure[0, 0].add_polygon(
        rectangle_data,
        colors=["r", "r", "cyan", "y"], # manually specify vertex colors
        name="rectangle"
    )
    figure[0, 0].add_polygon(triangle_data, colors="m")

    figure.show()


    # NOTE: fpl.loop.run() should not be used for interactive sessions
    # See the "JupyterLab and IPython" section in the user guide
    if __name__ == "__main__":
        print(__doc__)
        fpl.loop.run()


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

   **Total running time of the script:** (0 minutes 0.791 seconds)


.. _sphx_glr_download__gallery_mesh_polygons.py:

.. only:: html

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

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

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

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

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


.. only:: html

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

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