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'''
Selection by nomenclature
-------------------------

Selecting graph nodes according a nomenclature
'''

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

runloop = Qt.QApplication.instance() is None

a = anatomist.Anatomist()
sh = aims.carto.Paths.shfjShared()
nom = a.loadObject(os.path.join(sh, 'nomenclature', 'hierarchy',
                                'sulcal_root_colors.hie'))
graph = a.loadObject('Rbase.arg')
w = a.createWindow('3D')
w.addObjects(graph, add_graph_nodes=True)

a.execute('SelectByNomenclature', names='PREFRONTAL_right', nomenclature=nom)

# to unselect all
# a.execute( 'Select' )

if 'sphinx_gallery' in sys.modules:
    # display in matplotlib for sphinx_gallery
    w.camera(view_quaternion=[0.5, -0.5, -0.5, 0.5])
    w.windowConfig(view_size=[642, 384])
    w.sphinx_gallery_snapshot()
    runloop = False

if runloop:
    Qt.QApplication.instance().exec_()
if runloop or 'sphinx_gallery' in sys.modules:
    del w, graph, nom