def mouseDoubleClickEvent(self, ev):
picker = self.GetRenderWindow().GetInteractor().GetPicker()
# Get the location of the click (in window coordinates)
pos = self.GetRenderWindow().GetInteractor().GetEventPosition()
#picker.SetTolerance(0.0005)
picker.Pick( pos[0], pos[1], 0, self.GetRenderWindow().GetRenderers().GetFirstRenderer() )
#print 'Cell id is: ' + str( picker.GetCellId() )
#print 'Point id is: ' + str( picker.GetPointId() )
actors = picker.GetActors()
screenPos = picker.GetSelectionPoint()
worldPosition = picker.GetPickPosition()
data = picker.GetDataSet()
'''
print pickPos
print screenPos
print actors
print actors.GetLastItem()
'''
#print 'data: ' + str( data )
self.__addVolumeSelectedActor(worldPosition)
av = self.app.active_vol
cellid = picker.GetPointId()
#if self._graph is not None and cellid != -1 :
try:
self._graph.update_figure( cellid, self._scoresim, self._scores, \
self.app._vdata[av].pt_id_ijk, \
self.pat_data_img_data_list, radius=self.pick_radius )
except:
pass
QVTKRenderWindowInteractor.mousePressEvent(self, ev)
self.update()
