phyks/touchless3dtracking
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Implemented a calculation of mean value between adjacent times

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Phyks 2013-09-30 23:59:35 +02:00
parent 34406690f8
commit a506e18657
1 changed files with 15 additions and 10 deletions
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25
color.py
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@ -4,7 +4,7 @@ import serial
import pygame import pygame
def compute_value(line, minimum, maximum, inv): def compute_value(line, minimum, maximum):
line = line.split(" ") line = line.split(" ")
if len(line) < 3: if len(line) < 3:
return False return False
@ -16,19 +16,20 @@ def compute_value(line, minimum, maximum, inv):
elif value[i] < 0: elif value[i] < 0:
value[i] = 0 value[i] = 0
if inv is True: return value[0]
return 255-value[0], 255-value[1], 255-value[2]
else:
return value[0], value[1], value[2]
ser = serial.Serial("/dev/ttyACM0", 115200) ser = serial.Serial("/dev/ttyACM0", 115200)
pygame.init() pygame.init()
# Keep old value to determine a mean value
value = [[0, 0, 0], [0, 0, 0]]
font = pygame.font.Font(None, 36)
size = width, height = 640, 480 size = width, height = 640, 480
screen = pygame.display.set_mode(size) screen = pygame.display.set_mode(size)
pygame.display.set_caption("Touchless 3D tracking") pygame.display.set_caption("Touchless 3D tracking")
screen.fill((0, 0, 0)) screen.fill((0, 0, 0))(value[0]+value[1])
try: try:
ser.open() ser.open()
@ -80,14 +81,18 @@ if ser.isOpen():
# Read line from serial # Read line from serial
line = float(ser.readline()) line = float(ser.readline())
# Compute the value for red # Compute the value for red
value = compute_value(line, minimum, maximum, False) value[1] = value[0]
value_text = compute_value(line, minimum, maximum, True) value[0] = compute_value(line, minimum, maximum)
value_bg = [value[0][i] + value[1][i] for i in range(3)]
value_text = [255 - i for i in compute_value(line, minimum,
maximum)]
if value is not False: if value is not False:
screen.fill(value) screen.fill((value_bg[0], value_bg[1], value_bg[2]))
# Display info in window # Display info in window
label = font.render("Running...", 1, value_text) label = font.render("Running...", 1, (value_text[0],
value_text[1], value_text[2]))
label_pos = label.get_rect() label_pos = label.get_rect()
label_pos.centerx = screen.get_rect().centerx label_pos.centerx = screen.get_rect().centerx
label_pos.centery = 20 label_pos.centery = 20