def _prepare_simulator_from_view_model(self, view_model):
simulator = Simulator()
simulator.gid = view_model.gid
conn = self.load_traited_by_gid(view_model.connectivity)
simulator.connectivity = conn
simulator.conduction_speed = view_model.conduction_speed
simulator.coupling = view_model.coupling
rm_surface = None
if view_model.surface:
simulator.surface = Cortex()
rm_index = self.load_entity_by_gid(
view_model.surface.region_mapping_data.hex)
rm = h5.load_from_index(rm_index)
rm_surface_index = self.load_entity_by_gid(rm_index.fk_surface_gid)
rm_surface = h5.load_from_index(rm_surface_index, CorticalSurface)
rm.surface = rm_surface
rm.connectivity = conn
simulator.surface.region_mapping_data = rm
if simulator.surface.local_connectivity:
lc = self.load_traited_by_gid(
view_model.surface.local_connectivity)
assert lc.surface.gid == rm_index.fk_surface_gid
lc.surface = rm_surface
simulator.surface.local_connectivity = lc
if view_model.stimulus:
stimulus_index = self.load_entity_by_gid(view_model.stimulus.hex)
stimulus = h5.load_from_index(stimulus_index)
simulator.stimulus = stimulus
if isinstance(stimulus, StimuliSurface):
simulator.stimulus.surface = rm_surface
else:
simulator.stimulus.connectivity = simulator.connectivity
simulator.model = view_model.model
simulator.integrator = view_model.integrator
simulator.initial_conditions = view_model.initial_conditions
simulator.monitors = view_model.monitors
simulator.simulation_length = view_model.simulation_length
# TODO: why not load history here?
# if view_model.history:
# history_index = dao.get_datatype_by_gid(view_model.history.hex)
# history = h5.load_from_index(history_index)
# assert isinstance(history, SimulationHistory)
# history.fill_into(self.algorithm)
return simulator
