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

    Click :ref:`here <sphx_glr_download_auto_examples_04_generate_projections_cone.py>` to download the full example code
.. rst-class:: sphx-glr-example-title

.. _sphx_glr_auto_examples_04_generate_projections_cone.py:


Example 04: Generate cone-beam projections
==========================================


.. code-block:: default


    import foam_ct_phantom
    import numpy as np
    import h5py
    import pylab as pl
    pl.gray()

    phantom = foam_ct_phantom.FoamPhantom('test_phantom.h5')

    geom = foam_ct_phantom.ConeGeometry(256,256,np.linspace(0,2*np.pi,256),3/256,sod=2,odd=0,usecuda=False)

    phantom.generate_projections('test_projs_cone.h5',geom)

    projs = foam_ct_phantom.load_projections('test_projs_cone.h5')

    pl.imshow(projs[0])
    pl.show()


.. _sphx_glr_download_auto_examples_04_generate_projections_cone.py:


.. only :: html

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



  .. container:: sphx-glr-download

     :download:`Download Python source code: 04_generate_projections_cone.py <04_generate_projections_cone.py>`



  .. container:: sphx-glr-download

     :download:`Download Jupyter notebook: 04_generate_projections_cone.ipynb <04_generate_projections_cone.ipynb>`


.. only:: html

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

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