.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/plotting/export.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_export.py>`
        to download the full example code.

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

.. _sphx_glr_gallery_plotting_export.py:


Plot a scaled Image
===================

Demonstrates rendering a canvas to an image at higher resolution than the
original display.

NOTE: This example is currently broken.

.. GENERATED FROM PYTHON SOURCE LINES 15-39



.. image-sg:: /gallery/plotting/images/sphx_glr_export_001.png
   :alt: export
   :srcset: /gallery/plotting/images/sphx_glr_export_001.png
   :class: sphx-glr-single-img





.. code-block:: Python


    import vispy.plot as vp

    # Create a canvas showing plot data
    fig = vp.Fig()
    fig[0, 0].plot([1, 6, 2, 4, 3, 8, 5, 7, 6, 3])

    # Render the canvas scene to a numpy array image with higher resolution
    # than the original canvas
    scale = 4
    image = fig.render(size=(fig.size[0]*scale, fig.size[1]*scale))

    # Display the data in the array, sub-sampled down to the original canvas
    # resolution
    fig_2 = vp.Fig()
    fig_2[0, 0].image(image[::-scale, ::scale])

    # By default, the view adds some padding when setting its range.
    # We'll remove that padding so the image looks exactly like the original
    # canvas:
    fig_2[0, 0].camera.set_range(margin=0)

    if __name__ == '__main__':
        fig.app.run()


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

   **Total running time of the script:** (0 minutes 1.534 seconds)


.. _sphx_glr_download_gallery_plotting_export.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

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

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