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

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

.. _sphx_glr_auto_examples_simple_surface_rendering_plot_camera.py:


================
Camera usage
================
This demo shows different ways to position the camera

.. GENERATED FROM PYTHON SOURCE LINES 7-43



.. image-sg:: /auto_examples/simple_surface_rendering/images/sphx_glr_plot_camera_001.png
   :alt: plot camera
   :srcset: /auto_examples/simple_surface_rendering/images/sphx_glr_plot_camera_001.png
   :class: sphx-glr-single-img





.. code-block:: default

    import matplotlib.pyplot as plt
    from cerebro import cerebro_brain_utils as cbu
    from cerebro import cerebro_brain_viewer as cbv

    my_brain_viewer = cbv.Cerebro_brain_viewer(offscreen=True,null_color=(0.7,0.7,0.7,1))
    surface_model = my_brain_viewer.load_template_GIFTI_cortical_surface_models('pial')
    cifti_space = my_brain_viewer.visualize_cifti_space()

    fig, axs = plt.subplots(1,3,figsize=(9,3))
    plt.subplots_adjust(wspace=0, hspace=0)

    ### Method 1 (manual) Camera position and camera target are specified as (x,y,z) coordinates. camera_fov is angle in degrees.
    ax = axs[0]
    ax.axis('off')
    camconf = {'camera_pos': (0, 300, 0), 'camera_target': (0, -15, 15), 'camera_fov': 35, 'camera_rotation': 0}
    my_brain_viewer.viewer.change_view(**camconf)
    my_brain_viewer.offscreen_draw_to_matplotlib_axes(ax)

    ### Method 2. Specify camera position only with coordinates
    ax = axs[1]
    ax.axis('off')
    view = ((-400, 0, 0), None, None, None) #last 3 values are camera_target. When set to None, defaults to centre of mass of all visible objects
    camconf = my_brain_viewer._view_to_camera_config(view)
    camconf = my_brain_viewer._zoom_camera_to_content(camconf) #Adjust FOV to barely fit all visible objects. To zoom in/out further, you can manually change camconf['camera_pos'].
    my_brain_viewer.viewer.change_view(**camconf)
    my_brain_viewer.offscreen_draw_to_matplotlib_axes(ax)

    ### Method 3. Specify camera position as a direction. Same result as above.
    ax = axs[2]
    ax.axis('off')
    camconf = my_brain_viewer._view_to_camera_config("L")
    camconf = my_brain_viewer._zoom_camera_to_content(camconf)
    my_brain_viewer.viewer.change_view(**camconf)
    my_brain_viewer.offscreen_draw_to_matplotlib_axes(ax)

    my_brain_viewer.viewer.window.destroy()
    plt.show()

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

   **Total running time of the script:** ( 0 minutes  3.196 seconds)


.. _sphx_glr_download_auto_examples_simple_surface_rendering_plot_camera.py:

.. only:: html

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




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

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

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

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


.. only:: html

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

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