.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "_gallery/feature_demo/scene_camlink1.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download__gallery_feature_demo_scene_camlink1.py>`
        to download the full example code.

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

.. _sphx_glr__gallery_feature_demo_scene_camlink1.py:


Camera linking 1
================

Example demonstating the partial linking of two cameras. When
panning/zooming in one view, the other view reponds for the x-dimention,
but not for the y dimension.

.. GENERATED FROM PYTHON SOURCE LINES 9-97



.. image-sg:: /_gallery/feature_demo/images/sphx_glr_scene_camlink1_001.webp
   :alt: scene camlink1
   :srcset: /_gallery/feature_demo/images/sphx_glr_scene_camlink1_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python



    from rendercanvas.auto import RenderCanvas, loop
    import pygfx as gfx
    import numpy as np


    renderer = gfx.renderers.WgpuRenderer(RenderCanvas(size=(800, 800)))


    # Create a scene to display multiple times. It contains a point cloud
    scene = gfx.Scene()
    scene.add(gfx.Background.from_color("#ddd"))

    # Add a grid
    grid = gfx.Grid(
        None,
        gfx.GridMaterial(
            major_step=10,
            minor_step=1,
            thickness_space="screen",
            major_thickness=2,
            minor_thickness=1,
            infinite=True,
        ),
        orientation="xy",
    )
    scene.add(grid)

    # Add points
    n = 5000
    x = np.linspace(0, 100, n)
    y = np.random.normal(size=(n, 1)) * 5
    z = np.zeros_like(x)

    points = gfx.Points(
        gfx.Geometry(positions=np.column_stack([x, y, z]).astype(np.float32)),
        gfx.PointsMaterial(size=10, color="#066", opacity=0.5),
    )
    scene.add(points)

    # Background
    viewport0 = gfx.Viewport(renderer)
    camera0 = gfx.NDCCamera()
    scene0 = gfx.Background.from_color("#fff")

    # Create view 1
    viewport1 = gfx.Viewport(renderer)
    camera1 = gfx.OrthographicCamera(8, 8, maintain_aspect=False)
    camera1.show_rect(0, 30, -20, 20, view_dir=(0, 0, -1), up=(0, 1, 0))
    controller1 = gfx.PanZoomController(
        camera1,
        register_events=viewport1,
    )

    # Create view 2
    viewport2 = gfx.Viewport(renderer)
    camera2 = gfx.OrthographicCamera(8, 8, maintain_aspect=False)
    camera2.show_rect(0, 30, -5, 5, view_dir=(0, 0, -1), up=(0, 1, 0))
    controller2 = gfx.PanZoomController(camera2, register_events=viewport2)

    # Link cameras
    controller1.add_camera(camera2, include_state={"x", "width"})
    controller2.add_camera(camera1, include_state={"x", "width"})


    @renderer.add_event_handler("resize")
    def layout(event=None):
        w, h = renderer.logical_size
        h2 = (h - 30) / 2
        viewport1.rect = 10, 10, w - 20, h2
        viewport2.rect = 10, h2 + 20, w - 20, h2


    # Initialize layout
    layout()


    def animate():
        viewport0.render(scene0, camera0)
        viewport1.render(scene, camera1)
        viewport2.render(scene, camera2)
        renderer.flush()


    if __name__ == "__main__":
        renderer.request_draw(animate)
        loop.run()


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

   **Total running time of the script:** (0 minutes 0.790 seconds)


.. _sphx_glr_download__gallery_feature_demo_scene_camlink1.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: scene_camlink1.ipynb <scene_camlink1.ipynb>`

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

      :download:`Download Python source code: scene_camlink1.py <scene_camlink1.py>`

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

      :download:`Download zipped: scene_camlink1.zip <scene_camlink1.zip>`


.. only:: html

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

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

.. only:: html

    Interactive example
    -------------------

    Try this example in your browser using Pyodide. Might not work with all examples and all devices. Check the output and your browser's console for details.

    .. raw:: html

        <iframe src="./../pyodide.html#scene_camlink1.py"></iframe>