.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "_gallery/misc/line3d_animation.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download__gallery_misc_line3d_animation.py>`
        to download the full example code.

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

.. _sphx_glr__gallery_misc_line3d_animation.py:


Simple 3D Line Animation
========================

Example showing animation with 3D lines.

.. GENERATED FROM PYTHON SOURCE LINES 7-61



.. image-sg:: /_gallery/misc/images/sphx_glr_line3d_animation_001.webp
   :alt: line3d animation
   :srcset: /_gallery/misc/images/sphx_glr_line3d_animation_001.webp
   :class: sphx-glr-single-img


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

 .. code-block:: none

    /opt/hostedtoolcache/Python/3.12.7/x64/lib/python3.12/site-packages/pygfx/objects/_ruler.py:266: RuntimeWarning: divide by zero encountered in divide
      screen_full = (ndc_full[:, :2] / ndc_full[:, 3:4]) * half_canvas_size
    /opt/hostedtoolcache/Python/3.12.7/x64/lib/python3.12/site-packages/pygfx/objects/_ruler.py:266: RuntimeWarning: invalid value encountered in divide
      screen_full = (ndc_full[:, :2] / ndc_full[:, 3:4]) * half_canvas_size
    /opt/hostedtoolcache/Python/3.12.7/x64/lib/python3.12/site-packages/pygfx/objects/_ruler.py:278: RuntimeWarning: invalid value encountered in divide
      screen_sel = (ndc_sel[:, :2] / ndc_sel[:, 3:4]) * half_canvas_size
    /home/runner/work/fastplotlib/fastplotlib/fastplotlib/graphics/_features/_base.py:18: UserWarning: casting float64 array to float32
      warn(f"casting {array.dtype} array to float32")







|

.. code-block:: Python


    # test_example = false

    import numpy as np
    import fastplotlib as fpl

    # create data in the shape of a spiral
    phi = np.linspace(0, 30, 200)

    xs = phi * np.cos(phi)
    ys = phi * np.sin(phi)
    zs = phi

    # make data 3d, with shape [<n_vertices>, 3]
    spiral = np.dstack([xs, ys, zs])[0]

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

    line_graphic = figure[0,0].add_line(data=spiral, thickness=3, cmap='jet')

    marker = figure[0,0].add_scatter(data=spiral[0], sizes=10, name="marker")

    marker_index = 0


    # a function to move the ball along the spiral
    def move_marker():
        global marker_index

        marker_index += 1

        if marker_index == spiral.shape[0]:
            marker_index = 0

        for subplot in figure:
            subplot["marker"].data = spiral[marker_index]


    # add `move_marker` to the animations
    figure.add_animations(move_marker)

    # remove clutter
    figure[0, 0].axes.grids.xy.visible = True
    figure[0, 0].axes.grids.xz.visible = True


    figure.show()


    # NOTE: `if __name__ == "__main__"` is NOT how to use fastplotlib interactively
    # please see our docs for using fastplotlib interactively in ipython and jupyter
    if __name__ == "__main__":
        print(__doc__)
        fpl.run()


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

   **Total running time of the script:** (0 minutes 18.223 seconds)


.. _sphx_glr_download__gallery_misc_line3d_animation.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: line3d_animation.ipynb <line3d_animation.ipynb>`

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

      :download:`Download Python source code: line3d_animation.py <line3d_animation.py>`

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

      :download:`Download zipped: line3d_animation.zip <line3d_animation.zip>`


.. only:: html

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

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