def initialise(_worker_object):
global vis
global global_var_1
global global_var_2
global global_var_3
global global_var_4
# The following two lines are required if you want visualisation from the Node itself. If you do not change the
# Visualisation object's visualisation_loop then the Visualisation will assume the data is an image and use cv2
# to try and display it.
vis = Visualisation(_worker_object.node_name, _worker_object.node_index)
vis.visualisation_init()
# put the initialisation of the Node's parameter's in a try loop to take care of the time it takes for the GUI to
# update the SinkWorker object.
try:
parameters = _worker_object.parameters
global_var_1 = parameters[1]
global_var_2 = parameters[2]
global_var_3 = parameters[3]
global_var_1 = parameters[4]
except:
return False
# Do other initialisation stuff
return True
def initialise(worker_object):
global vis
global global_var_1
global global_var_2
global global_var_3
global global_var_4
# put the initialisation of the Node's parameter's in a try loop to take care of the time it takes for the GUI to
# update the TransformWorker object.
try:
parameters = worker_object.parameters
global_var_1 = parameters[1]
global_var_2 = parameters[2]
global_var_3 = parameters[3]
global_var_1 = parameters[4]
except:
return False
# The following lines are required if you want visualisation from the Node itself. If this Node doesn't have its
# own visualisation then you do not need the vis object.
# If you do not change the Visualisation object's visualisation_loop then the Visualisation will assume the data is
# an image and use cv2 to try and display it. For examples of different visualisations see the Visualiser Node's
# worker script.
global need_parameters
vis = Visualisation(worker_object.node_name, worker_object.node_index)
vis.visualisation_init()
# Do other initialisation stuff
return True
def initialise(worker_object):
global vis
try:
min_val = worker_object.parameters[1]
max_val = worker_object.parameters[2]
except:
return False
vis = Visualisation(worker_object.node_name, worker_object.node_index)
vis.visualisation_init()
worker_object.relic_create_parameters_df(visualisation_on=vis.visualisation_on, min_val=min_val, max_val=max_val)
return True
def initialise(worker_object):
global vis
try:
x_shape = worker_object.parameters[1]
y_shape = worker_object.parameters[2]
except:
return False
vis = Visualisation(worker_object.node_name, worker_object.node_index)
vis.visualisation_init()
worker_object.relic_create_parameters_df(visualisation_on=vis.visualisation_on, x_shape=x_shape, y_shape=y_shape)
return True
def initialise(worker_object):
global vis
try:
color_conv_string = worker_object.parameters[1]
except:
return False
vis = Visualisation(worker_object.node_name, worker_object.node_index)
vis.visualisation_init()
worker_object.relic_create_parameters_df(
visualisation_on=vis.visualisation_on,
color_conv_string=color_conv_string)
return True
def initialise(_worker_object):
global worker_object
global vis
worker_object = _worker_object
try:
frame2_minus_frame1 = worker_object.parameters[1]
except:
return False
vis = Visualisation(worker_object.node_name, worker_object.node_index)
vis.visualisation_init()
worker_object.relic_create_parameters_df(
visualisation_on=vis.visualisation_on,
frame2_minus_frame1=frame2_minus_frame1)
return True
def run_camera(worker_object):
global capture
global acquiring_on
global vis
vis = Visualisation(worker_object.node_name, worker_object.node_index)
vis.visualisation_init()
if not acquiring_on: # Get the parameters from the node
while not acquiring_on:
try:
cam_index = worker_object.parameters[1]
capture = cv2.VideoCapture(cam_index, cv2.CAP_DSHOW)
acquiring_on = True
print('Got camera parameters. Starting capture')
except:
cv2.waitKey(1)
worker_object.relic_create_parameters_df(visualisation_on=False,
camera_index=cam_index)
worker_object.initialised = True
while acquiring_on:
ret, vis.visualised_data = capture.read()
worker_object.send_data_to_com(vis.visualised_data)
try:
vis.visualisation_on = worker_object.parameters[0]
except:
vis.visualisation_on = camera_com.ParametersDefaultValues[0]
def start_key_press_capture(_worker_object):
global worker_object
global key_pressed_and_released
global listener
global loop_on
global vis
worker_object = _worker_object
vis = Visualisation(worker_object.node_name, worker_object.node_index)
vis.set_new_visualisation_loop(visualisation_to_stdout)
vis.visualisation_init()
listener = Listener(on_press=on_key_pressed, on_release=on_key_released)
listener.start()
worker_object.relic_create_parameters_df(
visualisation_on=vis.visualisation_on, key='')
while loop_on:
try:
waiting_for_key = str(worker_object.parameters[1])
worker_object.initialised = True
except:
waiting_for_key = key_press_com.ParametersDefaultValues[1]
if key_pressed_and_released[0] == waiting_for_key and \
key_pressed_and_released[1] == waiting_for_key:
vis.visualised_data = np.array([waiting_for_key])
worker_object.send_data_to_com(vis.visualised_data)
worker_object.relic_update_substate_df(
key_pressed=vis.visualised_data)
key_pressed_and_released = [None, None]
try:
vis.visualisation_on = worker_object.parameters[0]
except:
vis.visualisation_on = key_press_com.ParametersDefaultValues[0]
time.sleep(0.1)