.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "python_module/06_grid_manipulation/pet_hide_pixel_out_eddies.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download_python_module_06_grid_manipulation_pet_hide_pixel_out_eddies.py>`
        to download the full example code. or to run this example in your browser via Binder

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

.. _sphx_glr_python_module_06_grid_manipulation_pet_hide_pixel_out_eddies.py:


Select pixel in eddies
======================

.. GENERATED FROM PYTHON SOURCE LINES 6-16

.. code-block:: Python


    from matplotlib import pyplot as plt
    from matplotlib.path import Path
    from numpy import ones

    from py_eddy_tracker import data
    from py_eddy_tracker.dataset.grid import RegularGridDataset
    from py_eddy_tracker.observations.observation import EddiesObservations
    from py_eddy_tracker.poly import create_vertice








.. GENERATED FROM PYTHON SOURCE LINES 17-18

Load an eddy file which contains contours

.. GENERATED FROM PYTHON SOURCE LINES 18-20

.. code-block:: Python

    a = EddiesObservations.load_file(data.get_demo_path("Anticyclonic_20190223.nc"))








.. GENERATED FROM PYTHON SOURCE LINES 21-22

Load a grid where we want found pixels in eddies or out

.. GENERATED FROM PYTHON SOURCE LINES 22-28

.. code-block:: Python

    g = RegularGridDataset(
        data.get_demo_path("nrt_global_allsat_phy_l4_20190223_20190226.nc"),
        "longitude",
        "latitude",
    )








.. GENERATED FROM PYTHON SOURCE LINES 29-30

For each contours, we will get pixels indice in contour.

.. GENERATED FROM PYTHON SOURCE LINES 30-45

.. code-block:: Python

    fig = plt.figure(figsize=(12, 6))
    ax = fig.add_axes((0.05, 0.05, 0.9, 0.9))
    ax.set_aspect("equal")
    ax.set_xlim(10, 70)
    ax.set_ylim(-50, -25)
    # We will used the outter contour
    x_name, y_name = a.intern(False)
    adt = g.grid("adt")
    mask = ones(adt.shape, dtype="bool")
    for eddy in a:
        i, j = Path(create_vertice(eddy[x_name], eddy[y_name])).pixels_in(g)
        mask[i, j] = False
    adt.mask[:] += ~mask
    g.display(ax, "adt")
    a.display(ax, label="Anticyclonic", color="g", lw=1, extern_only=True)



.. image-sg:: /python_module/06_grid_manipulation/images/sphx_glr_pet_hide_pixel_out_eddies_001.png
   :alt: pet hide pixel out eddies
   :srcset: /python_module/06_grid_manipulation/images/sphx_glr_pet_hide_pixel_out_eddies_001.png
   :class: sphx-glr-single-img


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

 .. code-block:: none


    [<matplotlib.lines.Line2D object at 0x749041900860>]



.. GENERATED FROM PYTHON SOURCE LINES 46-54

.. code-block:: Python

    fig = plt.figure(figsize=(12, 6))
    ax = fig.add_axes((0.05, 0.05, 0.9, 0.9))
    ax.set_aspect("equal")
    ax.set_xlim(10, 70)
    ax.set_ylim(-50, -25)
    adt.mask[:] = mask
    g.display(ax, "adt")
    a.display(ax, label="Anticyclonic", color="g", lw=1, extern_only=True)



.. image-sg:: /python_module/06_grid_manipulation/images/sphx_glr_pet_hide_pixel_out_eddies_002.png
   :alt: pet hide pixel out eddies
   :srcset: /python_module/06_grid_manipulation/images/sphx_glr_pet_hide_pixel_out_eddies_002.png
   :class: sphx-glr-single-img


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

 .. code-block:: none


    [<matplotlib.lines.Line2D object at 0x749027861bb0>]




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

   **Total running time of the script:** (0 minutes 0.696 seconds)


.. _sphx_glr_download_python_module_06_grid_manipulation_pet_hide_pixel_out_eddies.py:

.. only:: html

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

    .. container:: binder-badge

      .. image:: images/binder_badge_logo.svg
        :target: https://mybinder.org/v2/gh/AntSimi/py-eddy-tracker/master?urlpath=lab/tree/notebooks/python_module/06_grid_manipulation/pet_hide_pixel_out_eddies.ipynb
        :alt: Launch binder
        :width: 150 px

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

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

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

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

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

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


.. only:: html

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

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