class TelloCV(object):
"""
TelloTracker builds keyboard controls on top of TelloPy as well
as generating images from the video stream and enabling opencv support
"""
def __init__(self):
self.prev_flight_data = None
self.record = False
self.tracking = False
self.keydown = False
self.date_fmt = '%Y-%m-%d_%H%M%S'
self.speed = 50
self.go_speed = 80
self.drone = Tello()
self.init_drone()
self.init_controls()
self.battery = self.drone.get_battery()
self.frame_read = self.drone.get_frame_read()
self.forward_time = 0
self.forward_flag = True
self.takeoff_time = 0
self.command_time = 0
self.command_flag = False
# trackingimport libh264decoder a color
# green_lower = (30, 50, 50)
# green_upper = (80, 255, 255)
# red_lower = (0, 50, 50)
# red_upper = (20, 255, 255)
blue_lower = np.array([0, 0, 0])
upper_blue = np.array([255, 255, 180])
bh_lower = (180, 30, 100)
bh_upper = (275, 50, 100)
self.track_cmd = ""
self.tracker = Tracker(960,
720,
blue_lower, upper_blue)
self.speed_list = [5, 10, 15, 20, 25]
self.frame_center = 480, 360
self.error = 60
def init_drone(self):
"""Connect, uneable streaming and subscribe to events"""
# self.drone.log.set_level(2)
self.drone.connect()
self.drone.streamon()
def on_press(self, keyname):
"""handler for keyboard listener"""
if self.keydown:
return
try:
self.keydown = True
keyname = str(keyname).strip('\'')
print('+' + keyname)
if keyname == 'Key.esc':
self.drone.quit()
exit(0)
if keyname in self.controls:
key_handler = self.controls[keyname]
if isinstance(key_handler, str):
getattr(self.drone, key_handler)(self.speed)
else:
key_handler(self.speed)
except AttributeError:
print('special key {0} pressed'.format(keyname))
def on_release(self, keyname):
"""Reset on key up from keyboard listener"""
self.keydown = False
keyname = str(keyname).strip('\'')
print('-' + keyname)
if keyname in self.controls:
key_handler = self.controls[keyname]
if isinstance(key_handler, str):
getattr(self.drone, key_handler)(0)
else:
key_handler(0)
def init_controls(self):
"""Define keys and add listener"""
self.controls = {
'w': lambda speed: self.drone.move_forward(speed),
's': lambda speed: self.drone.move_back(speed),
'a': lambda speed: self.drone.move_left(speed),
'd': lambda speed: self.drone.move_right(speed),
'Key.space': 'up',
'Key.shift': 'down',
'Key.shift_r': 'down',
'q': 'counter_clockwise',
'e': 'clockwise',
'i': lambda speed: self.drone.flip_forward(),
'k': lambda speed: self.drone.flip_back(),
'j': lambda speed: self.drone.flip_left(),
'l': lambda speed: self.drone.flip_right(),
# arrow keys for fast turns and altitude adjustments
'Key.left': lambda speed: self.drone.rotate_counter_clockwise(speed),
'Key.right': lambda speed: self.drone.rotate_clockwise(speed),
'Key.up': lambda speed: self.drone.move_up(speed),
'Key.down': lambda speed: self.drone.move_down(speed),
'Key.tab': lambda speed: self.drone.takeoff(),
# 'Key.tab': self.drone.takeoff(60),
'Key.backspace': lambda speed: self.drone.land(),
'p': lambda speed: self.palm_land(speed),
't': lambda speed: self.toggle_tracking(speed),
'r': lambda speed: self.toggle_recording(speed),
'z': lambda speed: self.toggle_zoom(speed),
'Key.enter': lambda speed: self.take_picture(speed)
}
self.key_listener = keyboard.Listener(on_press=self.on_press,
on_release=self.on_release)
self.key_listener.start()
# self.key_listener.join()
def process_frame(self):
"""convert frame to cv2 image and show"""
# print("TRACKING START")
frame = self.frame_read.frame
# self.drone.move_up(self.speed)
# image = self.write_hud(image)
# if self.record:
# self.record_vid(frame)
return frame
def move_up(self):
self.drone.move_up(self.speed)
def take_off(self):
self.drone.takeoff()
def go(self):
self.drone.move_forward(self.go_speed)
def move_left(self):
self.drone.move_left(270) # speed 테스트해서 조절하기
def go_window9(self):
self.drone.move_forward()
def rotate_right(self):
self.drone.rotate_clockwise()
def rotate_left(self):
self.drone.rotate_counter_clockwise()
def landing(self):
self.drone.land()
def write_hud(self, frame):
"""Draw drone info, tracking and record on frame"""
stats = self.prev_flight_data.split('|')
stats.append("Tracking:" + str(self.tracking))
if self.drone.zoom:
stats.append("VID")
else:
stats.append("PIC")
if self.record:
diff = int(time.time() - self.start_time)
mins, secs = divmod(diff, 60)
stats.append("REC {:02d}:{:02d}".format(mins, secs))
for idx, stat in enumerate(stats):
text = stat.lstrip()
cv2.putText(frame, text, (0, 30 + (idx * 30)),
cv2.FONT_HERSHEY_SIMPLEX,
1.0, (255, 0, 0), lineType=30)
return frame
def toggle_recording(self, speed):
"""Handle recording keypress, creates output stream and file"""
if speed == 0:
return
self.record = not self.record
if self.record:
datename = [os.getenv('HOME'), datetime.datetime.now().strftime(self.date_fmt)]
self.out_name = '{}/Pictures/tello-{}.mp4'.format(*datename)
print("Outputting video to:", self.out_name)
self.out_file = av.open(self.out_name, 'w')
self.start_time = time.time()
self.out_stream = self.out_file.add_stream(
'mpeg4', self.vid_stream.rate)
self.out_stream.pix_fmt = 'yuv420p'
self.out_stream.width = self.vid_stream.width
self.out_stream.height = self.vid_stream.height
if not self.record:
print("Video saved to ", self.out_name)
self.out_file.close()
self.out_stream = None
def record_vid(self, frame):
"""
convert frames to packets and write to file
"""
new_frame = av.VideoFrame(
width=frame.width, height=frame.height, format=frame.format.name)
for i in range(len(frame.planes)):
new_frame.planes[i].update(frame.planes[i])
pkt = None
try:
pkt = self.out_stream.encode(new_frame)
except IOError as err:
print("encoding failed: {0}".format(err))
if pkt is not None:
try:
self.out_file.mux(pkt)
except IOError:
print('mux failed: ' + str(pkt))
def take_picture(self, speed):
"""Tell drone to take picture, image sent to file handler"""
if speed == 0:
return
self.drone.take_picture()
def palm_land(self, speed):
"""Tell drone to land"""
if speed == 0:
return
self.drone.palm_land()
def toggle_tracking(self, speed):
""" Handle tracking keypress"""
if speed == 0: # handle key up event
return
self.tracking = not self.tracking
print("tracking:", self.tracking)
return
def toggle_zoom(self, speed):
"""
In "video" mode the self.drone sends 1280x720 frames.
In "photo" mode it sends 2592x1936 (952x720) frames.
The video will always be centered in the window.
In photo mode, if we keep the window at 1280x720 that gives us ~160px on
each side for status information, which is ample.
Video mode is harder because then we need to abandon the 16:9 display size
if we want to put the HUD next to the video.
"""
if speed == 0:
return
self.drone.set_video_mode(not self.drone.zoom)
def flight_data_handler(self, event, sender, data):
"""Listener to flight data from the drone."""
text = str(data)
if self.prev_flight_data != text:
self.prev_flight_data = text
def handle_flight_received(self, event, sender, data):
"""Create a file in ~/Pictures/ to receive image from the drone"""
path = '%s/Pictures/tello-%s.jpeg' % (
os.getenv('HOME'),
datetime.datetime.now().strftime(self.date_fmt))
with open(path, 'wb') as out_file:
out_file.write(data)
print('Saved photo to %s' % path)
def enable_mission_pads(self):
self.drone.enable_mission_pads()
def disable_mission_pads(self):
self.drone.disable_mission_pads()
def go_xyz_speed_mid(self, x, y, z, speed, mid):
self.drone.go_xyz_speed_mid(x, y, z, speed, mid)
# if function return True, set drone center to object's center
def track_mid(self, x, y):
midx, midy = 480, 360
distance_x = abs(midx - x)
distance_y = abs(midy - y)
print(x, y, distance_x, distance_y)
move_done = True
if y > midy + self.error + 15:
self.drone.move_down(20)
move_done = False
elif y < midy - self.error + 5:
self.drone.move_up(20)
move_done = False
elif x < midx - self.error:
self.drone.move_left(20)
move_done = False
elif x > midx + self.error:
self.drone.move_right(20)
move_done = False
return move_done
def track_x(self, x, left_count, right_count):
midx = 480
move_done = True
if x < midx - 100:
self.drone.move_left(20)
left_count += 1
move_done = False
elif x > midx + 100:
self.drone.move_right(20)
right_count += 1
move_done = False
return move_done
def go_slow(self):
self.drone.move_forward(30)
def go_fast(self):
self.drone.move_forward(200)
class hand_tello_control:
def __init__(self):
self.action = " "
self.mp_drawing = mp.solutions.drawing_utils
self.mp_drawing_styles = mp.solutions.drawing_styles
self.mp_hands = mp.solutions.hands
self.action_done = True
self.ffoward = 1
self.fback = 1
self.fright = 1
self.fleft = 1
self.fsquare = 1
self.fmiddle = 1
self.fno = 1
self.fland = 1
def tello_startup(self):
# For Tello input:
self.tello = Tello() # Starts the tello object
self.tello.connect() # Connects to the drone
def define_orientation(self, results):
if results.multi_hand_landmarks[0].landmark[
4].x < results.multi_hand_landmarks[0].landmark[17].x:
orientation = "right hand"
else:
orientation = "left hand"
return orientation
def follow_hand(self, results):
normalizedLandmark = results.multi_hand_landmarks[0].landmark[
9] # Normalizes the lowest middle-finger coordinate for hand tracking
pixelCoordinatesLandmark = self.mp_drawing._normalized_to_pixel_coordinates(
normalizedLandmark.x, normalizedLandmark.y, 255, 255
) #Tracks the coordinates of the same landmark in a 255x255 grid
print(pixelCoordinatesLandmark)
if pixelCoordinatesLandmark == None: # If hand goes out of frame, stop following
self.tello.send_rc_control(0, 0, 0, 0)
return
centerRange = [12,
12] #Range for detecting commands in the x and y axis.
centerPoint = [128, 128] #Theoretical center of the image
xCorrection = pixelCoordinatesLandmark[0] - centerPoint[0]
yCorrection = pixelCoordinatesLandmark[1] - centerPoint[1]
xSpeed = 0
ySpeed = 0
if xCorrection > centerRange[0] or xCorrection < -centerRange[
0]: #If the hand is outside the acceptable range, changes the current speed to compensate.
xSpeed = xCorrection // 3
if yCorrection > centerRange[1] or yCorrection < -centerRange[1]:
ySpeed = -yCorrection // 3
self.tello.send_rc_control(xSpeed, 0, ySpeed, 0)
time.sleep(0.5)
self.tello.send_rc_control(0, 0, 0, 0)
def action_to_do(
self, fingers, orientation,
results): #use the variable results for the hand tracking control
if self.action_done == True:
self.ffoward = 1
self.fback = 1
self.fright = 1
self.fleft = 1
self.fsquare = 1
self.fmiddle = 1
self.fno = 1
self.fland = 1
self.action_done = False
#Left hand controls tricks, right hand controls movement
if orientation == "left hand": #Thumb on the left = left hand!
if fingers == [0, 1, 0, 0, 0]:
if self.ffoward >= 15:
self.action = "flip forward"
self.tello.flip_forward()
self.action_done = True
self.ffoward = self.ffoward + 1
elif fingers == [0, 1, 1, 0, 0] and self.battery == True:
if self.fback >= 15:
self.action = "flip back"
self.tello.flip_back()
self.action_done = True
self.fback = self.fback + 1
elif fingers == [1, 0, 0, 0, 0] and self.battery == True:
if self.fright >= 15:
self.action = "flip right"
self.tello.flip_right()
self.action_done = True
self.fright = self.fright + 1
elif fingers == [0, 0, 0, 0, 1] and self.battery == True:
if self.fleft >= 15:
self.action = "flip left"
self.tello.flip_left()
self.action_done = True
self.fleft = self.fleft + 1
elif fingers == [0, 1, 1, 1, 0]:
if self.fsquare >= 15:
self.action = "Square"
self.tello.move_left(20)
self.tello.move_up(40)
self.tello.move_right(40)
self.tello.move_down(40)
self.tello.move_left(20)
self.action_done = True
self.fsquare = self.fsquare + 1
elif fingers == [0, 0, 1, 0, 0]:
if self.fmiddle >= 15:
self.action = " :( "
self.tello.land()
self.action_done = True
self.fmiddle = self.fmiddle + 1
elif ((self.battery == False) and
(fingers == [1, 0, 0, 0, 0] or fingers == [0, 1, 0, 0, 0]
or fingers == [0, 0, 0, 0, 1])): #not avaiable to do tricks
if self.fno >= 15:
self.tello.rotate_clockwise(45)
self.tello.rotate_counter_clockwise(90)
self.tello.rotate_clockwise(45)
self.action_done = True
self.fno = self.fno + 1
else:
self.action = " "
elif orientation == "right hand": #Thumb on the right = right hand!
if fingers == [1, 1, 1, 1, 1]:
self.action = "Follow"
self.follow_hand(results)
elif fingers == [1, 0, 0, 0, 0]:
if self.fland >= 15:
self.action = "Land"
self.tello.land()
self.action_done = True
self.fland = self.fland + 1
else:
self.action = " "
def fingers_position(self, results, orientation):
# [thumb, index, middle finger, ring finger, pinky]
# 0 for closed, 1 for open
fingers = [0, 0, 0, 0, 0]
if (results.multi_hand_landmarks[0].landmark[4].x >
results.multi_hand_landmarks[0].landmark[3].x
) and orientation == "right hand":
fingers[0] = 0
if (results.multi_hand_landmarks[0].landmark[4].x <
results.multi_hand_landmarks[0].landmark[3].x
) and orientation == "right hand":
fingers[0] = 1
if (results.multi_hand_landmarks[0].landmark[4].x >
results.multi_hand_landmarks[0].landmark[3].x
) and orientation == "left hand":
fingers[0] = 1
if (results.multi_hand_landmarks[0].landmark[4].x <
results.multi_hand_landmarks[0].landmark[3].x
) and orientation == "left hand":
fingers[0] = 0
fingermarkList = [8, 12, 16, 20]
i = 1
for k in fingermarkList:
if results.multi_hand_landmarks[0].landmark[
k].y > results.multi_hand_landmarks[0].landmark[k - 2].y:
fingers[i] = 0
else:
fingers[i] = 1
i = i + 1
return fingers
def detection_loop(self):
with self.mp_hands.Hands(model_complexity=0,
min_detection_confidence=0.75,
min_tracking_confidence=0.5) as hands:
self.tello.streamoff(
) # Ends the current stream, in case it's still opened
self.tello.streamon() # Starts a new stream
while True:
frame_read = self.tello.get_frame_read(
) # Stores the current streamed frame
image = frame_read.frame
self.battery = self.tello.get_battery()
# To improve performance, optionally mark the image as not writeable to
# pass by reference.
image.flags.writeable = True
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
results = hands.process(image)
# Draw the hand annotations on the image.
image.flags.writeable = True
image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
if results.multi_hand_landmarks:
action = " "
for hand_landmarks in results.multi_hand_landmarks:
self.mp_drawing.draw_landmarks(
image, hand_landmarks,
self.mp_hands.HAND_CONNECTIONS,
self.mp_drawing_styles.
get_default_hand_landmarks_style(),
self.mp_drawing_styles.
get_default_hand_connections_style())
orientation = self.define_orientation(results)
fingers = self.fingers_position(results, orientation)
#print(fingers)
self.action_to_do(fingers, orientation, results)
for event in pg.event.get():
if event.type == pg.KEYDOWN:
if event.key == pg.K_l:
self.tello.land()
if event.key == pg.K_t:
self.tello.takeoff()
if event.key == pg.K_b:
print("A bateria esta em ",
self.tello.get_battery(), "%")
if event.key == pg.K_m:
return 0
cv2.imshow("image", image)
if cv2.waitKey(5) & 0xFF == 27:
break
def key_control(self):
self.tello.streamoff(
) # Ends the current stream, in case it's still opened
self.tello.streamon() # Starts a new stream
while True:
frame_read = self.tello.get_frame_read(
) # Stores the current streamed frame
image = frame_read.frame
# To improve performance, optionally mark the image as not writeable to
# pass by reference.
image.flags.writeable = True
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
# Draw the hand annotations on the image.
image.flags.writeable = True
image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
for event in pg.event.get():
if event.type == pg.KEYDOWN:
if event.key == pg.K_w:
self.tello.move_forward(20)
if event.key == pg.K_a:
self.tello.move_left(20)
if event.key == pg.K_s:
self.tello.move_back(20)
if event.key == pg.K_d:
self.tello.move_right(20)
if event.key == pg.K_q:
self.tello.rotate_counter_clockwise(20)
if event.key == pg.K_e:
self.tello.rotate_clockwise(20)
if event.key == pg.K_SPACE:
self.tello.move_up(20)
if event.key == pg.K_LCTRL:
self.tello.move_down(20)
if event.key == pg.K_b:
print("A bateria esta em ", self.tello.get_battery(),
"%")
if event.key == pg.K_m:
return 0
cv2.imshow("image", image)
if cv2.waitKey(5) & 0xFF == 27:
break
def main_interface(self):
telloMode = -1
self.tello_startup()
pg.init()
win = pg.display.set_mode((500, 500))
pg.display.set_caption("Test")
#self.tello.takeoff()
print("Para controlar pelo teclado, digite 1")
print("Para controlar com a mao, digite 2")
print("Para sair, digite 0")
self.tello.streamoff(
) # Ends the current stream, in case it's still opened
self.tello.streamon() # Starts a new stream
while telloMode != 0:
frame_read = self.tello.get_frame_read(
) # Stores the current streamed frame
image = frame_read.frame
# To improve performance, optionally mark the image as not writeable to
# pass by reference.
image.flags.writeable = True
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
# Draw the hand annotations on the image.
image.flags.writeable = True
image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
cv2.imshow("image", image)
if cv2.waitKey(5) & 0xFF == 27:
break
if telloMode == 1:
self.key_control()
telloMode = -1
print("Para controlar pelo teclado, digite 1")
print("Para controlar com a mao, digite 2")
print("Para sair, digite 0")
elif telloMode == 2:
self.detection_loop()
telloMode = -1
print("Para controlar pelo teclado, digite 1")
print("Para controlar com a mao, digite 2")
print("Para sair, digite 0")
elif telloMode == 0:
self.tello.land()
telloMode = -1
print("Obrigado por voar hoje")
elif telloMode != -1 and telloMode != 1 and telloMode != 2:
print("valor invalido!")
for event in pg.event.get():
if event.type == pg.KEYDOWN:
if event.key == pg.K_1:
telloMode = 1
if event.key == pg.K_2:
telloMode = 2
if event.key == pg.K_0:
telloMode = 0
if event.key == pg.K_l:
self.tello.land()
if event.key == pg.K_t:
self.tello.takeoff()
if event.key == pg.K_b:
print("A bateria esta em ", self.tello.get_battery(),
"%")
#frame_read = me.get_frame_read()
#myFrame = frame_read.frame
#img = cv2.resize(myFrame, (width, height))
# DISPLAY IMAGE
#cv2.imshow("MyResult", img)
# TO GO UP IN THE BEGINNING
if startCounter == 0:
me.takeoff()
time.sleep(5)
me.move_back(160)
time.sleep(5)
me.rotate_counter_clockwise(90)
time.sleep(5)
me.flip_forward()
time.sleep(5)
me.flip_forward()
time.sleep(5)
me.flip_right()
time.sleep(5)
me.flip_left()
time.sleep(5)
me.flip_back()
time.sleep(5)
me.flip_back()
#me.move_forward(195)
#time.sleep(5)
#me.rotate_clockwise(90)
#time.sleep(5)
#me.move_forward(100)
import sys
from djitellopy import Tello
from sys import argv
import time
tello = Tello()
tello.connect()
time.sleep(0.5)
print(tello.get_battery())
if argv[1] == "takeoff":
tello.takeoff()
elif argv[1] == "land":
tello.land()
elif argv[1] == "forward":
tello.move_forward(70)
elif argv[1] == "left":
tello.move_left(70)
elif argv[1] == "right":
tello.move_right(70)
elif argv[1] == "back":
tello.move_back(70)
elif argv[1] == "flip":
tello.flip_forward()
elif argv[1] == "up":
tello.move_up()
elif argv[1] == "down":
tello.move_down
class hand_tello_control:
def __init__(self):
self.action = " "
self.mp_drawing = mp.solutions.drawing_utils
self.mp_drawing_styles = mp.solutions.drawing_styles
self.mp_hands = mp.solutions.hands
def tello_startup(self):
# For Tello input:
self.tello = Tello() # Starts the tello object
self.tello.connect() # Connects to the drone
def define_orientation(self, results):
if results.multi_hand_landmarks[0].landmark[
4].x < results.multi_hand_landmarks[0].landmark[17].x:
orientation = "right hand"
else:
orientation = "left hand"
return orientation
def action_to_do(
self, fingers, orientation,
results): #use the variable results for the hand tracking control
#Left hand controls tricks, right hand controls movement
if orientation == "left hand": #Thumb on the left = left hand!
if fingers == [0, 1, 0, 0, 0]:
self.action = "flip forward"
self.tello.flip_forward()
elif fingers == [0, 1, 1, 0, 0]:
self.action = "flip back"
self.tello.flip_back()
elif fingers == [1, 0, 0, 0, 0]:
self.action = "flip right"
self.tello.flip_right()
elif fingers == [0, 0, 0, 0, 1]:
self.action = "flip left"
self.tello.flip_left()
elif fingers == [0, 1, 1, 1, 0]:
self.action = "Square"
self.tello.move_left(20)
self.tello.move_up(40)
self.tello.move_right(40)
self.tello.move_down(40)
self.tello.move_left(20)
elif fingers == [0, 0, 1, 0, 0]:
self.action = " :( "
self.tello.land()
else:
self.action = " "
elif orientation == "right hand": #Thumb on the right = right hand!
if fingers == [0, 1, 0, 0, 0]:
self.action = "Move up"
self.tello.move_up(20)
elif fingers == [1, 0, 0, 0, 0]:
self.action = "Move left"
self.tello.move_left(20)
elif fingers == [0, 0, 0, 0, 1]:
self.action = "Move right"
self.tello.move_right(20)
elif fingers == [0, 1, 1, 0, 0]:
self.action = "Move down"
self.tello.move_down(20)
else:
self.action = " "
def fingers_position(self, results, orientation):
# [thumb, index, middle finger, ring finger, pinky]
# 0 for closed, 1 for open
fingers = [0, 0, 0, 0, 0]
if (results.multi_hand_landmarks[0].landmark[4].x >
results.multi_hand_landmarks[0].landmark[3].x
) and orientation == "right hand":
fingers[0] = 0
if (results.multi_hand_landmarks[0].landmark[4].x <
results.multi_hand_landmarks[0].landmark[3].x
) and orientation == "right hand":
fingers[0] = 1
if (results.multi_hand_landmarks[0].landmark[4].x >
results.multi_hand_landmarks[0].landmark[3].x
) and orientation == "left hand":
fingers[0] = 1
if (results.multi_hand_landmarks[0].landmark[4].x <
results.multi_hand_landmarks[0].landmark[3].x
) and orientation == "left hand":
fingers[0] = 0
fingermarkList = [8, 12, 16, 20]
i = 1
for k in fingermarkList:
if results.multi_hand_landmarks[0].landmark[
k].y > results.multi_hand_landmarks[0].landmark[k - 2].y:
fingers[i] = 0
else:
fingers[i] = 1
i = i + 1
return fingers
def detection_loop(self):
with self.mp_hands.Hands(model_complexity=0,
min_detection_confidence=0.75,
min_tracking_confidence=0.5) as hands:
self.tello.streamoff(
) # Ends the current stream, in case it's still opened
self.tello.streamon() # Starts a new stream
while True:
frame_read = self.tello.get_frame_read(
) # Stores the current streamed frame
image = frame_read.frame
# To improve performance, optionally mark the image as not writeable to
# pass by reference.
image.flags.writeable = True
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
results = hands.process(image)
# Draw the hand annotations on the image.
image.flags.writeable = True
image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
#self.battery = self.tello.query_battery()
#if 75 <= self.battery <= 100:
#color = (0, 150, 0) # Green (BGR)
#elif 50 <= self.battery < 75:
#color = (0, 255, 255) # Yellow
#elif 0 <= self.battery < 50:
#color = (0, 0, 255) # Red
if results.multi_hand_landmarks:
action = " "
for hand_landmarks in results.multi_hand_landmarks:
self.mp_drawing.draw_landmarks(
image, hand_landmarks,
self.mp_hands.HAND_CONNECTIONS,
self.mp_drawing_styles.
get_default_hand_landmarks_style(),
self.mp_drawing_styles.
get_default_hand_connections_style())
orientation = self.define_orientation(results)
fingers = self.fingers_position(results, orientation)
#print(fingers)
self.action_to_do(fingers, orientation, results)
cv2.putText(
image,
f'Action: {str(self.action)}',
(10, 70),
cv2.FONT_HERSHEY_PLAIN,
3,
(100, 100, 255),
3,
)
#cv2.putText(image, f'Battery: {str(self.battery)}%', (10, 450), cv2.FONT_HERSHEY_PLAIN, 3, color, 3, )
cv2.imshow("image", image)
if cv2.waitKey(5) & 0xFF == 27:
break
def main_interface(self):
self.tello_startup()
self.tello.takeoff()
self.detection_loop()
