def make_display(self, frame, middle, lowest, highest, diff): #, mag):
# First, lets plot the center on it.
cv2.line(frame, (self.center - 4, self.check_row),
(self.center + 4, self.check_row), self.crosshair_color)
cv2.line(frame, (self.center, self.check_row - 4),
(self.center, self.check_row + 4), self.crosshair_color)
# Now lets show where we found the middle
cv2.line(frame, (middle, self.check_row - 8),
(middle, self.check_row + 8), self.line_middle_color)
# Next the width
cv2.line(frame, (lowest, self.check_row - 4),
(lowest, self.check_row + 4), self.line_middle_color)
cv2.line(frame, (highest, self.check_row - 4),
(highest, self.check_row + 4), self.line_middle_color)
# finally the graph
graph_frame = np.zeros(
(camera_stream.size[1], camera_stream.size[0], 3), np.uint8)
self.make_cv2_simple_graph(graph_frame, diff)
# cv2.putText(graph_frame, f"Err: {self.last_error}", org=(0, 120), fontFace=self.text_font, fontScale=1, color=self.text_color)
# cv2.putText(graph_frame, f"Val: {self.last_value}", org=(0, 160), fontFace=self.text_font, fontScale=1, color=self.text_color)
# cv2.putText(graph_frame, f"Mag: {mag}", org=(0, 200), fontFace=self.text_font, fontScale=1, color=self.text_color)
# concatenate these
display_frame = np.concatenate((frame, graph_frame), axis=1)
encoded_bytes = camera_stream.get_encoded_bytes_for_frame(
display_frame)
put_output_image(encoded_bytes)
def frame_generator():
"""This is our main video feed"""
camera = camera_stream.setup_camera()
# allow the camera to warm up
time.sleep(0.1)
for frame in camera_stream.start_stream(camera):
encoded_bytes = camera_stream.get_encoded_bytes_for_frame(frame)
yield (b'--frame\r\n'
b'Content-Type: image/jpeg\r\n\r\n' + encoded_bytes + b'\r\n')
def controlled_image_server_behavior():
camera = camera_stream.setup_camera()
time.sleep(0.1)
for frame in camera_stream.start_stream(camera):
encoded_bytes = camera_stream.get_encoded_bytes_for_frame(frame)
put_output_image(encoded_bytes)
instruction = get_control_instruction()
if instruction and instruction['command'] == "exit":
print("Stopping")
return
def make_display(self, frame):
"""Create display output, and put it on the queue"""
encoded_bytes = camera_stream.get_encoded_bytes_for_frame(frame)
put_output_image(encoded_bytes)
def make_display(self, frame, processed):
"""Create display output, and put it on the queue"""
# Make a dualscreen view - two images of the same scale joined together
display_frame = np.concatenate((frame, processed), axis=1)
encoded_bytes = camera_stream.get_encoded_bytes_for_frame(display_frame)
put_output_image(encoded_bytes)
def make_display(self, display_frame):
encoded_bytes = camera_stream.get_encoded_bytes_for_frame(
display_frame)
put_output_image(encoded_bytes)