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

.. only:: html

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

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

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

.. _sphx_glr_gallery_plotting_colorbar.py:


Plot different styles of ColorBar
=================================

.. GENERATED FROM PYTHON SOURCE LINES 9-50



.. image-sg:: /gallery/plotting/images/sphx_glr_colorbar_001.png
   :alt: colorbar
   :srcset: /gallery/plotting/images/sphx_glr_colorbar_001.png
   :class: sphx-glr-single-img


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

 .. code-block:: none

    Data source saw that it was told to stop
    Data source finishing






|

.. code-block:: Python


    from vispy import plot as vp
    import numpy as np


    # arg( e^(1/z) )
    def exp_z_inv(x, y):
        z = complex(x, y)
        f = np.exp(1.0 / z)
        return np.angle(f, deg=True)


    # create a 2d grid whose elements are of exp_z_inv
    def gen_image(width, height):
        x_vals = np.linspace(-0.5, 0.5, width)
        y_vals = np.linspace(-0.5, 0.5, height)

        grid = np.meshgrid(x_vals, y_vals)
        v_fn = np.vectorize(exp_z_inv)

        return v_fn(*grid).astype(np.float32)

    fig = vp.Fig(size=(800, 600), show=False)
    plot = fig[0, 0]
    plot.bgcolor = "#efefef"

    img = gen_image(500, 500)
    plot.image(img, cmap="hsl")
    plot.camera.set_range((100, 400), (100, 400))

    positions = ["top", "bottom", "left", "right"]

    for position in positions:
        plot.colorbar(position=position,
                      label="argument of e^(1/z)",
                      clim=("0°", "180°"),
                      cmap="hsl",
                      border_width=1,
                      border_color="#aeaeae")
    if __name__ == '__main__':
        fig.show(run=True)


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

   **Total running time of the script:** (0 minutes 3.931 seconds)


.. _sphx_glr_download_gallery_plotting_colorbar.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

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

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