def execute(self, obj, event):
global LOGGER, NETWORK, REN, REN_WIN, I_REN
log_tick("vtkTimerCallback exec " + str(self.timer_count))
# Non-blocking periodic reading of the pipe TODO: add code
# that dynamically adjusts the periodicity of checking to a
# fraction of the expected period of visualisable data input.
# learning rate 0.1, not more because will swing around stable
# point. Bounded, 1ms to 2sec?
if not self.child_conn.poll():
log_tick("The pipeline is empty, returning")
return
r = interpret_simu_to_visu_message(self.child_conn.recv())
if r:
NETWORK = r
LOGGER.info("Network structure received.")
lvl_to_g = {0: NETWORK.grids}
# lvl_to_g = Tns.vn.levels_to_grids()
all_actors = NETWORK.make_all_actors(lvl_to_g)
add_actors_to_scene(REN, all_actors)
REN.ResetCamera()
prepare_render_env(REN_WIN, I_REN)
else:
LOGGER.info("Activity update received.")
I_REN.GetRenderWindow().Render()
self.timer_count += 1
def execute(self, obj, event):
global LOGGER, NETWORK, REN, REN_WIN, I_REN
log_tick("vtkTimerCallback exec " + str(self.timer_count))
# Non-blocking periodic reading of the pipe TODO: add code
# that dynamically adjusts the periodicity of checking to a
# fraction of the expected period of visualisable data input.
# learning rate 0.1, not more because will swing around stable
# point. Bounded, 1ms to 2sec?
if (not self.child_conn.poll()):
log_tick("The pipeline is empty, returning")
return
r = interpret_simu_to_visu_message(self.child_conn.recv())
if r:
NETWORK = r
LOGGER.info("Network structure received.")
lvl_to_g = {0: NETWORK.grids}
# lvl_to_g = Tns.vn.levels_to_grids()
all_actors = NETWORK.make_all_actors(lvl_to_g)
add_actors_to_scene(REN, all_actors)
REN.ResetCamera()
prepare_render_env(REN_WIN, I_REN)
else:
LOGGER.info("Activity update received.")
I_REN.GetRenderWindow().Render()
self.timer_count += 1
def ipc_test(parent_conn, child_conn):
for a in reversed(range(-1,100)):
time.sleep(0.1)
log_tick("just before send")
# Only pipe in data to be visualised if visualisation pipe is
# empty.
if (not child_conn.poll()):
log_tick("the vis. pipeline is empty, putting in some data")
parent_conn.send(a)
log_tick("just after send")
def ipc_test(parent_conn, child_conn):
for a in reversed(range(-1, 100)):
time.sleep(0.1)
log_tick("just before send")
# Only pipe in data to be visualised if visualisation pipe is
# empty.
if (not child_conn.poll()):
log_tick("the vis. pipeline is empty, putting in some data")
parent_conn.send(a)
log_tick("just after send")
def visualisation_process_f(child_conn, logger):
"""Function called when main() creates the visualisation process
through multiprocessing.Process. The parameters are the pipe frrom
which to read visualisation updates and the logger to use."""
global LOGGER, REN, REN_WIN, I_REN
LOGGER = logger
log_tick("start visu")
REN, REN_WIN, I_REN = setup_visualisation()
log_tick("after setup_vis")
REN.SetBackground(VISU_BG[0], VISU_BG[1], VISU_BG[2])
log_tick("background set")
timer_id = setup_timer(I_REN, child_conn)
I_REN.Start()
def visualisation_process_f(child_conn, logger):
"""Function called when main() creates the visualisation process
through multiprocessing.Process. The parameters are the pipe frrom
which to read visualisation updates and the logger to use."""
global LOGGER, REN, REN_WIN, I_REN
LOGGER = logger
log_tick("start visu")
REN, REN_WIN, I_REN = setup_visualisation()
log_tick("after setup_vis")
REN.SetBackground(VISU_BG[0], VISU_BG[1], VISU_BG[2])
log_tick("background set")
timer_id = setup_timer(I_REN, child_conn)
I_REN.Start()
def setup_timer(window_interactor, input_conn):
callback = vtkTimerCallback(input_conn)
window_interactor.AddObserver("TimerEvent", callback.execute)
log_tick("observer added")
return window_interactor.CreateRepeatingTimer(100)
def prepare_render_env(render_window, window_interactor):
window_interactor.Initialize()
render_window.Render()
log_tick("after render")
def setup_timer(window_interactor, input_conn):
callback = vtkTimerCallback(input_conn)
window_interactor.AddObserver("TimerEvent", callback.execute)
log_tick("observer added")
return window_interactor.CreateRepeatingTimer(100)
def prepare_render_env(render_window, window_interactor):
window_interactor.Initialize()
render_window.Render()
log_tick("after render")
