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

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

.. _sphx_glr_auto_examples_graph_building.py:


Graph building
--------------

Creating a complete graph and nomenclature in Python



.. image:: /auto_examples/images/sphx_glr_graph_building_001.png
    :class: sphx-glr-single-img





.. code-block:: default


    from __future__ import print_function

    from __future__ import absolute_import
    import anatomist.direct.api as ana
    from soma import aims
    from soma.qt_gui.qt_backend import Qt
    import sys

    # create graph structure
    graph = aims.Graph('RoiArg')
    # these are needed for internal conversions
    graph['type.global.tri'] = 'roi.global.tri'
    graph['roi.global.tri'] = 'roi roi_global.gii aims_mesh'

    # create 2 nodes
    v = graph.addVertex('roi')
    mesh = aims.SurfaceGenerator.sphere([0, 0, 0], 10, 100)
    aims.GraphManip.storeAims(graph, v, 'aims_mesh', mesh)
    v['name'] = 'sphere1'
    v = graph.addVertex('roi')
    mesh = aims.SurfaceGenerator.sphere([0, 0, 100], 10, 100)
    aims.GraphManip.storeAims(graph, v, 'aims_mesh', mesh)
    v['name'] = 'sphere2'

    # create a corresponding nomenclature
    hie = aims.Hierarchy()
    hie.setSyntax('hierarchy')
    hie['graph_syntax'] = 'RoiArg'
    n = aims.Tree(True, 'fold_name')
    n['name'] = 'sphere1'
    n['color'] = aims.vector_S32([255, 255, 0])
    hie.insert(n)
    n = aims.Tree(True, 'fold_name')
    n['name'] = 'sphere2'
    n['color'] = aims.vector_S32([0, 255, 0])
    hie.insert(n)

    runloop = Qt.QApplication.instance() is not None

    # create anatomist objects
    a = ana.Anatomist()
    ahie = a.toAObject(hie)
    ahie.releaseAppRef()
    agraph = a.toAObject(graph)
    agraph.releaseAppRef()

    # display graph
    w = a.createWindow('3D')
    w.addObjects(agraph, add_children=True)
    br = a.createWindow('Browser')
    br.addObjects(ahie)

    w.sphinx_gallery_snapshot()

    if runloop and 'sphinx_gallery' not in sys.modules:
        Qt.QApplication.instance().exec_()
    if runloop or 'sphinx_gallery' in sys.modules:
        del w, br, agraph, ahie, v, graph, hie, n


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

   **Total running time of the script:** ( 0 minutes  0.453 seconds)


.. _sphx_glr_download_auto_examples_graph_building.py:


.. only :: html

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



  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

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


.. only:: html

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

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