def test_perpendicular(self):
p = Point(1, 1, 0)
q = Point(0, 0, 1)
r = Point(1, 2, 3)
l = Line(p, q)
m = l.perpendicular(p)
assert l.meet(m) == p
assert is_perpendicular(l, m)
m = l.perpendicular(r)
assert is_perpendicular(l, m)
e = Plane(l, r)
m = e.perpendicular(p)
assert e.meet(m) == p
assert is_perpendicular(l, m)
m = e.perpendicular(p + m.direction)
assert e.meet(m) == p
assert is_perpendicular(l, m)
f = e.perpendicular(l)
assert e.meet(f) == l
assert is_perpendicular(e, f)
def test_perpendicular(self):
p = Point(1, 1)
l = Line(1, 1, 0)
m = l.perpendicular(p)
assert m == Line(-1, 1, 0)
m = l.perpendicular(Point(0, 0))
assert m == Line(-1, 1, 0)
p = Point(1, 1, 0)
q = Point(0, 0, 1)
l = Line(p, q)
m = l.perpendicular(p)
assert is_perpendicular(l, m)
def __detect_and_draw_faces_and_eyes_better(self, frame, gray_frame):
faces = self.__detect_faces(gray_frame)
# self.__draw_faces(faces, frame)
if len(faces) == 0:
# eyes = self.__detect_eyes(gray_frame)
# self.__draw_eyes(eyes, frame)
pass
else:
for face in faces:
(x, y, w, h) = face
roi_gray = gray_frame[y:y + h, x:x + w]
roi_color = frame[y:y + h, x:x + w]
eyes = self.__detect_eyes(roi_gray)
if len(eyes) == 2:
self.__draw_faces([face], frame)
for (ex, ey, ew, eh) in eyes:
cv2.rectangle(roi_color, (ex, ey), (ex + ew, ey + eh), (0, 255, 0), 2)
eyes_centers = [(ex + ew // 2, ey + eh // 2) for (ex, ey, ew, eh) in eyes]
cv2.line(roi_color, (eyes_centers[0][0], eyes_centers[0][1]),
(eyes_centers[1][0], eyes_centers[1][1]), (66, 215, 244), 1)
eyes_centers_as_points = [Point(x, y) for (x, y) in eyes_centers]
middle_point_eyes = ((eyes_centers[0][0] + eyes_centers[1][0]) // 2,
(eyes_centers[0][1] + eyes_centers[1][1]) // 2)
middle_point_eyes_as_point = Point(middle_point_eyes[0], middle_point_eyes[1])
line_centering_eyes = Line(eyes_centers_as_points[0], eyes_centers_as_points[1])
vertical_axis = line_centering_eyes.perpendicular(through=middle_point_eyes_as_point)
def test_perpendicular(self):
p = Point(1, 1, 0)
q = Point(0, 0, 1)
l = Line(p, q)
m = l.perpendicular(p)
assert is_perpendicular(l, m)
r = Point(1, 2, 3)
e = Plane(p, q, r)
m = e.perpendicular(p)
assert is_perpendicular(l, m)