.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "_gallery/other/object_bounding_box_open3d.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download__gallery_other_object_bounding_box_open3d.py>`
        to download the full example code.

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

.. _sphx_glr__gallery_other_object_bounding_box_open3d.py:


Boundary Boxes
==============

Demonstrates visualizing object bounding boxes

.. GENERATED FROM PYTHON SOURCE LINES 9-16

.. warning::
    An external model is needed to run this example.

To run this example, you need a model from the source repo's example
folder. If you are running this example from a local copy of the code (dev
install) no further actions are needed. Otherwise, you may have to replace
the path below to point to the location of the model.

.. GENERATED FROM PYTHON SOURCE LINES 16-33

.. code-block:: Python


    import os
    from pathlib import Path
    from importlib.util import find_spec

    if not find_spec("open3d"):
        raise ImportError(
            "The `open3d` library is required for this example: pip install open3d"
        )

    try:
        # modify this line if your model is located elsewhere
        model_dir = Path(__file__).parents[1] / "data"
    except NameError:
        # compatibility with sphinx-gallery
        model_dir = Path(os.getcwd()).parent / "data"


.. GENERATED FROM PYTHON SOURCE LINES 34-35

Once the path is set correctly, you can use the model as follows:

.. GENERATED FROM PYTHON SOURCE LINES 35-71

.. code-block:: Python



    from open3d import io
    import open3d as o3d
    import pygfx as gfx
    import pylinalg as la

    # load teapot with open3d
    teapot: o3d.geometry.TriangleMesh = io.read_triangle_mesh(
        str(model_dir / "teapot.stl"), enable_post_processing=True
    )

    # open3d does not seem to read stl files with normals -> re-compute them
    teapot.compute_vertex_normals()

    scene = gfx.Scene()
    scene.add(gfx.AmbientLight(), gfx.DirectionalLight())

    mesh = gfx.Mesh(
        gfx.geometries.geometry_from_open3d(teapot),
        gfx.MeshPhongMaterial(),
    )
    mesh.local.rotation = la.quat_from_euler((0.71, 0.91), order="XY")
    scene.add(mesh)

    box_world = gfx.BoxHelper(color="red")
    box_world.set_transform_by_object(mesh)
    scene.add(box_world)

    box_local = gfx.BoxHelper(thickness=2, color="green")
    box_local.set_transform_by_object(mesh, space="local")
    mesh.add(box_local)  # note that the parent is `mesh` here, not `scene`

    if __name__ == "__main__":
        disp = gfx.Display()
        disp.show(scene, up=(0, 0, 1))


.. _sphx_glr_download__gallery_other_object_bounding_box_open3d.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: object_bounding_box_open3d.ipynb <object_bounding_box_open3d.ipynb>`

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

      :download:`Download Python source code: object_bounding_box_open3d.py <object_bounding_box_open3d.py>`

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

      :download:`Download zipped: object_bounding_box_open3d.zip <object_bounding_box_open3d.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#object_bounding_box_open3d.py"></iframe>