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

.. only:: html

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

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

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

.. _sphx_glr__gallery_image_volume_image_volume_non_orthogonal_slicing.py:


Volume non-orthogonal slicing
=============================

Perform non-orthogonal slicing of image volumes.

For an example with UI sliders see the "Volume modes" example.

.. GENERATED FROM PYTHON SOURCE LINES 9-56



.. image-sg:: /_gallery/image_volume/images/sphx_glr_image_volume_non_orthogonal_slicing_001.webp
   :alt: image volume non orthogonal slicing
   :srcset: /_gallery/image_volume/images/sphx_glr_image_volume_non_orthogonal_slicing_001.webp
   :class: sphx-glr-single-img


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

 .. code-block:: none

    /opt/hostedtoolcache/Python/3.12.11/x64/lib/python3.12/site-packages/pygfx/objects/_ruler.py:400: RuntimeWarning: divide by zero encountered in divide
      screen_full = (ndc_full[:, :2] / ndc_full[:, 3:4]) * half_canvas_size
    /opt/hostedtoolcache/Python/3.12.11/x64/lib/python3.12/site-packages/pygfx/objects/_ruler.py:400: RuntimeWarning: invalid value encountered in divide
      screen_full = (ndc_full[:, :2] / ndc_full[:, 3:4]) * half_canvas_size
    /opt/hostedtoolcache/Python/3.12.11/x64/lib/python3.12/site-packages/pygfx/objects/_ruler.py:412: RuntimeWarning: invalid value encountered in divide
      screen_sel = (ndc_sel[:, :2] / ndc_sel[:, 3:4]) * half_canvas_size







|

.. code-block:: Python


    # test_example = true

    import numpy as np
    import fastplotlib as fpl
    import imageio.v3 as iio


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

    figure = fpl.Figure(
        cameras="3d",
        controller_types="orbit",
        size=(700, 560)
    )

    vol = figure[0, 0].add_image_volume(voldata, mode="slice")

    # a plane is defined by ax + by + cz + d = 0
    # the plane property sets (a, b, c, d)
    vol.plane = (0, 0.5, 0.5, -70)

    # just a pre-saved camera state to view the plot area
    state = {
        "position": np.array([-160.0,  105.0,  205.0]),
        "rotation": np.array([-0.1, -0.6, -0.07,  0.8]),
        "scale": np.array([1., 1., 1.]),
        "reference_up": np.array([0., 1., 0.]),
        "fov": 50.0,
        "width": 128.0,
        "height": 128.0,
        "depth": 315,
        "zoom": 0.75,
        "maintain_aspect": True,
        "depth_range": None
    }

    figure.show()

    figure[0, 0].camera.set_state(state)


    # NOTE: fpl.loop.run() should not be used for interactive sessions
    # See the "JupyterLab and IPython" section in the user guide
    if __name__ == "__main__":
        print(__doc__)
        fpl.loop.run()


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

   **Total running time of the script:** (0 minutes 0.677 seconds)


.. _sphx_glr_download__gallery_image_volume_image_volume_non_orthogonal_slicing.py:

.. only:: html

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

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

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

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

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


.. only:: html

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

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