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

.. only:: html

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

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

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

.. _sphx_glr_gallery_lines_and_polygons_rotated_pole.py:


Rotated pole boxes
------------------

A demonstration of the way a box is warped when it is defined
in a rotated pole coordinate system.

Try changing the ``box_top`` to ``44``, ``46`` and ``75`` to see the effect
that including the pole in the polygon has.

.. GENERATED FROM PYTHON SOURCE LINES 12-44



.. image-sg:: /gallery/lines_and_polygons/images/sphx_glr_rotated_pole_001.png
   :alt: rotated pole
   :srcset: /gallery/lines_and_polygons/images/sphx_glr_rotated_pole_001.png
   :class: sphx-glr-single-img





.. code-block:: Python

    import matplotlib.pyplot as plt

    import cartopy.crs as ccrs


    def main():
        rotated_pole = ccrs.RotatedPole(pole_latitude=45, pole_longitude=180)

        box_top = 45
        x, y = [-44, -44, 45, 45, -44], [-45, box_top, box_top, -45, -45]

        fig = plt.figure()

        ax = fig.add_subplot(2, 1, 1, projection=rotated_pole)
        ax.stock_img()
        ax.coastlines()
        ax.plot(x, y, marker='o', transform=rotated_pole)
        ax.fill(x, y, color='coral', transform=rotated_pole, alpha=0.4)
        ax.gridlines()

        ax = fig.add_subplot(2, 1, 2, projection=ccrs.PlateCarree())
        ax.stock_img()
        ax.coastlines()
        ax.plot(x, y, marker='o', transform=rotated_pole)
        ax.fill(x, y, transform=rotated_pole, color='coral', alpha=0.4)
        ax.gridlines()

        plt.show()


    if __name__ == '__main__':
        main()


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

   **Total running time of the script:** (0 minutes 1.813 seconds)


.. _sphx_glr_download_gallery_lines_and_polygons_rotated_pole.py:

.. only:: html

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

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

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

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

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


.. only:: html

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

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