.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "_gallery/feature_demo/volume_render2.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_volume_render2.py>`
        to download the full example code.

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

.. _sphx_glr__gallery_feature_demo_volume_render2.py:


Volume Rendering 2
==================

Render three volumes using different world transforms.

.. GENERATED FROM PYTHON SOURCE LINES 7-54



.. image-sg:: /_gallery/feature_demo/images/sphx_glr_volume_render2_001.webp
   :alt: volume render2
   :srcset: /_gallery/feature_demo/images/sphx_glr_volume_render2_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python



    import imageio.v3 as iio
    import numpy as np
    from rendercanvas.auto import RenderCanvas, loop
    import pygfx as gfx
    import pylinalg as la


    canvas = RenderCanvas()
    renderer = gfx.renderers.WgpuRenderer(canvas)
    scene = gfx.Scene()

    voldata = iio.imread("imageio:stent.npz").astype(np.float32)

    geometry = gfx.Geometry(grid=voldata)
    material = gfx.VolumeMipMaterial(clim=(0, 2000))

    vol1 = gfx.Volume(geometry, material)
    vol2 = gfx.Volume(geometry, material)
    vol3 = gfx.Volume(geometry, material)
    scene.add(vol1, vol2, vol3)

    vol2.local.x = -150
    vol2.local.scale_z = 0.5

    vol3.local.x = 150

    camera = gfx.PerspectiveCamera(70, 16 / 9)
    camera.show_object(scene, view_dir=(-1, -1, -1), up=(0, 0, 1))
    controller = gfx.OrbitController(camera, register_events=renderer)

    # A clipping plane at z=0 - only the rotating volume will be affected
    material.clipping_planes = [(0, 0, 1, 0)]


    def animate():
        rot = la.quat_from_euler((0.005, 0.01), order="XY")
        vol3.local.rotation = la.quat_mul(rot, vol3.local.rotation)

        renderer.render(scene, camera)
        canvas.request_draw()


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


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

   **Total running time of the script:** (0 minutes 0.747 seconds)


.. _sphx_glr_download__gallery_feature_demo_volume_render2.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: volume_render2.ipynb <volume_render2.ipynb>`

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

      :download:`Download Python source code: volume_render2.py <volume_render2.py>`

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

      :download:`Download zipped: volume_render2.zip <volume_render2.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#volume_render2.py"></iframe>