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

.. only:: html

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

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

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

.. _sphx_glr_auto_examples_spatial_grid_iaf_oc.py:


Spatial networks: 4x3 grid for three populations
------------------------------------------------

.. only:: html

----

 Run this example as a Jupyter notebook:

  .. card::
    :width: 25%
    :margin: 2
    :text-align: center
    :link: https://lab.ebrains.eu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fnest%2Fnest-simulator-examples&urlpath=lab%2Ftree%2Fnest-simulator-examples%2Fnotebooks%2Fnotebooks%2Fspatial%2Fgrid_iaf_oc.ipynb&branch=main
    :link-alt: JupyterHub service

    .. image:: https://nest-simulator.org/TryItOnEBRAINS.png


.. grid:: 1 1 1 1
   :padding: 0 0 2 0

   .. grid-item::
     :class: sd-text-muted
     :margin: 0 0 3 0
     :padding: 0 0 3 0
     :columns: 4

     See :ref:`our guide <run_jupyter>` for more information and troubleshooting.

----


Create three populations of iaf_psc_alpha neurons on a 4x3 grid, each with different center.

BCCN Tutorial @ CNS*09
Hans Ekkehard Plesser, UMB

.. GENERATED FROM PYTHON SOURCE LINES 31-55

.. code-block:: Python


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

    for ctr in [(0.0, 0.0), (-2.0, 2.0), (0.5, 1.0)]:
        plt.figure()
        nest.ResetKernel()

        l1 = nest.Create("iaf_psc_alpha", positions=nest.spatial.grid(shape=[4, 3], extent=[2.0, 1.5], center=ctr))

        nest.PlotLayer(l1, nodesize=50, fig=plt.gcf())

        # beautify
        plt.axis([-3, 3, -3, 3])
        plt.axes().set_aspect("equal", "box")
        plt.axes().set_xticks(np.arange(-3.0, 3.1, 1.0))
        plt.axes().set_yticks(np.arange(-3.0, 3.1, 1.0))
        plt.grid(True)
        plt.xlabel(f"4 Columns, Extent: 1.5, Center: {ctr[0]:.1f}")
        plt.ylabel(f"2 Rows, Extent: 1.0, Center: {ctr[1]:.1f}")

        plt.show()
        # plt.savefig('grid_iaf_oc_{}_{}.png'.format(ctr[0], ctr[1]))


.. _sphx_glr_download_auto_examples_spatial_grid_iaf_oc.py:

.. only:: html

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

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

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

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

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


.. only:: html

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

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