def detect_lines(self):
print "Detecting lines..."
self.lines = []
i = 0
j = 0
pixels_original = list(self.pixels)
while (len(self.pixels) > 0):
line = []
angles = []
pixel = self.pixels[i]
while (pixel is not None):
line.append(pixel)
#img[pixel.y,pixel.x] = [pixel.r,pixel.g,pixel.b]
pixel_old = pixel
pixel = neighbour(pixel, self.pixels, angles)
#pixel = neighbour(pixel,pixels_original,angles)
#calculate angle between pixels
if pixel is not None:
ang = angle(pixel_old, pixel)
angles.append(ang)
if len(angles) > angles_thr:
angles.remove(angles[0])
#removing pixel between old and new pixel
x_borders = [pixel_old.x, pixel.x]
y_borders = [
min([pixel_old.y, pixel.y]),
max([pixel_old.y, pixel.y])
]
pixels_inside = [
item for item in self.pixels
if x_borders[0] <= item.x <= x_borders[1]
and y_borders[0] <= item.y <= y_borders[1]
]
for item in pixels_inside:
#print str(item)
self.pixels.remove(item)
if pixel_old in self.pixels:
self.pixels.remove(pixel_old)
j += 1
if len(line) > line_thr:
self.lines.append(line)
def detect_lines(self):
print "Detecting lines..."
self.lines = []
i = 0
j = 0
#pixels_original = list(self.pixels) #debug only
while (len(self.pixels) > 0):
line = []
angles = []
pixel = self.pixels[i]
while (pixel is not None): #while neighbour found
line.append(pixel)
pixel_old = pixel
pixel = neighbour(pixel, self.pixels, angles, self.neighbours,
self.max_dist)
#calculate angle between pixels
if pixel is not None:
ang = angle(pixel_old, pixel)
angles.append(ang)
if len(angles) > self.angles_thr:
angles.remove(angles[0])
#removing pixel between old and new pixel
x_borders = [pixel_old.x, pixel.x]
y_borders = [
min([pixel_old.y, pixel.y]),
max([pixel_old.y, pixel.y])
]
pixels_inside = [
item for item in self.pixels
if x_borders[0] <= item.x <= x_borders[1]
and y_borders[0] <= item.y <= y_borders[1]
]
for item in pixels_inside:
self.pixels.remove(item)
if pixel_old in self.pixels:
self.pixels.remove(pixel_old)
j += 1
if len(line) > int(self.line_thr): #if line longer than threshold
self.lines.append(line)
j = 0
while (len(pixels_copy) > 0):
line = []
angles = []
pixel = pixels_copy[i]
#print pixel
while (pixel is not None):
line.append(pixel)
#img[pixel.y,pixel.x] = [pixel.r,pixel.g,pixel.b]
tmp[pixel.y, pixel.x] = [0, 0, 0]
pixel_old = pixel
pixel = neighbour(pixel, pixels, angles)
#calculate angle between pixels
if pixel is not None:
ang = angle(pixel_old, pixel)
angles.append(ang)
if len(angles) > angles_thr:
angles.remove(angles[0])
#removing pixel between old and new pixel
x_borders = [pixel_old.x, pixel.x]
y_borders = [
min([pixel_old.y, pixel.y]),
max([pixel_old.y, pixel.y])
]