:orphan:

Examples
========

Examples that show how to use the libparallelproj library from Python to visualize
basics concepts.

These examples should also help to better understand the meaning all arguments
in the C-API functions.



.. raw:: html

    <div class="sphx-glr-thumbnails">

.. thumbnail-parent-div-open

.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This minimal example demonstrates how to call python API for the non-TOF Joseph forward and back projection functions, which are implemented in parallelproj_core.joseph3d_fwd and parallelproj_core.joseph3d_back.">

.. only:: html

  .. image:: /auto_examples/images/thumb/sphx_glr_00_basic_projection_thumb.png
    :alt:

  :doc:`/auto_examples/00_basic_projection`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Non-TOF Joseph Forward and Back Projection</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This minimal example demonstrates how to call python API for the sinogram (histogram) TOF Joseph forward and back projection functions, which are implemented in parallelproj_core.joseph3d_tof_sino_fwd and parallelproj_core.joseph3d_tof_sino_back.">

.. only:: html

  .. image:: /auto_examples/images/thumb/sphx_glr_01_tof_sinogram_projection_thumb.png
    :alt:

  :doc:`/auto_examples/01_tof_sinogram_projection`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Sinogram (histogram) TOF Joseph Forward and Back Projection</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This minimal example demonstrates how to call python API for the listmode TOF Joseph forward and back projection functions, which are implemented in parallelproj_core.joseph3d_tof_lm_fwd and parallelproj_core.joseph3d_tof_lm_back.">

.. only:: html

  .. image:: /auto_examples/images/thumb/sphx_glr_02_tof_lm_projection_thumb.png
    :alt:

  :doc:`/auto_examples/02_tof_lm_projection`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Listmode TOF Joseph Forward and Back Projection</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This minimal example demonstrates how to use the parallelproj_core library with torch tensors and how to backward propagate gradients through the forward projection operation.">

.. only:: html

  .. image:: /auto_examples/images/thumb/sphx_glr_03_torch_projection_thumb.png
    :alt:

  :doc:`/auto_examples/03_torch_projection`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Torch Projection Layer</div>
    </div>


.. thumbnail-parent-div-close

.. raw:: html

    </div>


.. toctree::
   :hidden:

   /auto_examples/00_basic_projection
   /auto_examples/01_tof_sinogram_projection
   /auto_examples/02_tof_lm_projection
   /auto_examples/03_torch_projection


.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-gallery

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

      :download:`Download all examples in Python source code: auto_examples_python.zip </auto_examples/auto_examples_python.zip>`

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

      :download:`Download all examples in Jupyter notebooks: auto_examples_jupyter.zip </auto_examples/auto_examples_jupyter.zip>`


.. only:: html

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

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