.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/spatial/ctx_2n.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        Click :ref:`here <sphx_glr_download_auto_examples_spatial_ctx_2n.py>`
        to download the full example code

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

.. _sphx_glr_auto_examples_spatial_ctx_2n.py:


4x3 grid with pyramidal cells and interneurons
----------------------------------------------

Create a 4x3 grid with one pyramidal cell and one interneuron at each position.

BCCN Tutorial @ CNS*09
Hans Ekkehard Plesser, UMB

.. GENERATED FROM PYTHON SOURCE LINES 31-80

.. code-block:: default


    import nest
    import matplotlib.pyplot as plt
    import numpy as np

    nest.ResetKernel()

    nest.CopyModel('iaf_psc_alpha', 'pyr')
    nest.CopyModel('iaf_psc_alpha', 'in')

    pos = nest.spatial.grid(shape=[4, 3], extent=[2., 1.5])

    ctx_pyr = nest.Create('pyr', positions=pos)
    ctx_in = nest.Create('in', positions=pos)

    nest.PrintNodes()

    # extract position information
    ppyr = nest.GetPosition(ctx_pyr)
    pin = nest.GetPosition(ctx_in)

    ppyr_x = np.array([x for x, y in ppyr])
    ppyr_y = np.array([y for x, y in ppyr])

    pin_x = np.array([x for x, y in pin])
    pin_y = np.array([y for x, y in pin])

    # plot
    plt.clf()
    plt.plot(pin_x - 0.05, ppyr_y - 0.05, 'bo', markersize=20,
             label='Pyramidal', zorder=2)
    plt.plot(pin_x + 0.05, pin_y + 0.05, 'ro', markersize=20,
             label='Interneuron', zorder=2)
    plt.plot(pin_x, ppyr_y, 'o', markerfacecolor=(0.7, 0.7, 0.7),
             markersize=60, markeredgewidth=0, zorder=1, label='_nolegend_')

    # beautify
    plt.axis([-1.0, 1.0, -1.0, 1.0])
    plt.axes().set_aspect('equal', 'box')
    plt.axes().set_xticks((-0.75, -0.25, 0.25, 0.75))
    plt.axes().set_yticks((-0.5, 0, 0.5))
    plt.grid(True)
    plt.xlabel('4 Columns, Extent: 1.5')
    plt.ylabel('3 Rows, Extent: 1.0')
    plt.legend(numpoints=1)

    plt.show()

    # plt.savefig('ctx_2n.png')


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

   **Total running time of the script:** ( 0 minutes  0.000 seconds)


.. _sphx_glr_download_auto_examples_spatial_ctx_2n.py:

.. only:: html

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


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

      :download:`Download Python source code: ctx_2n.py <ctx_2n.py>`

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

      :download:`Download Jupyter notebook: ctx_2n.ipynb <ctx_2n.ipynb>`


.. only:: html

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

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