.. _sphx_glr_python_module_06_grid_manipulation:

Grid Manipulation
=================



.. raw:: html

    <div class="sphx-glr-thumbnails">

.. thumbnail-parent-div-open

.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Select pixel in eddies">

.. only:: html

  .. image:: /python_module/06_grid_manipulation/images/thumb/sphx_glr_pet_hide_pixel_out_eddies_thumb.png
    :alt:

  :ref:`sphx_glr_python_module_06_grid_manipulation_pet_hide_pixel_out_eddies.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Select pixel in eddies</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="How filter work in py eddy tracker. This implementation maybe doesn&#x27;t respect state art, but ...">

.. only:: html

  .. image:: /python_module/06_grid_manipulation/images/thumb/sphx_glr_pet_filter_thumb.png
    :alt:

  :ref:`sphx_glr_python_module_06_grid_manipulation_pet_filter.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Grid filtering in PET</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Naive method to reproduce LAVD(Lagrangian-Averaged Vorticity deviation) method with a static velocity field. In the current example we didn&#x27;t remove a mean vorticity.">

.. only:: html

  .. image:: /python_module/06_grid_manipulation/images/thumb/sphx_glr_pet_lavd_thumb.png
    :alt:

  :ref:`sphx_glr_python_module_06_grid_manipulation_pet_lavd.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">LAVD experiment</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="with normal strain (S_n), shear strain (S_s) and vorticity (\omega)">

.. only:: html

  .. image:: /python_module/06_grid_manipulation/images/thumb/sphx_glr_pet_okubo_weiss_thumb.png
    :alt:

  :ref:`sphx_glr_python_module_06_grid_manipulation_pet_okubo_weiss.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Get Okubo Weis</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Dummy advection which use only static geostrophic current, which didn&#x27;t solve the complex circulation of the ocean.">

.. only:: html

  .. image:: /python_module/06_grid_manipulation/images/thumb/sphx_glr_pet_advect_thumb.png
    :alt:

  :ref:`sphx_glr_python_module_06_grid_manipulation_pet_advect.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Grid advection</div>
    </div>


.. thumbnail-parent-div-close

.. raw:: html

    </div>


.. toctree::
   :hidden:

   /python_module/06_grid_manipulation/pet_hide_pixel_out_eddies
   /python_module/06_grid_manipulation/pet_filter
   /python_module/06_grid_manipulation/pet_lavd
   /python_module/06_grid_manipulation/pet_okubo_weiss
   /python_module/06_grid_manipulation/pet_advect