parameters change

app.py

@@ -17,16 +17,16 @@ def drawAxis(img, p_, q_, color, scale):
   # Here we lengthen the arrow by a factor of scale
   q[0] = p[0] - scale * hypotenuse/3 * cos(angle)
   q[1] = p[1] - scale * hypotenuse/3 * sin(angle)
-  cv2.line(img, (int(p[0]), int(p[1])), (int(q[0]), int(q[1])), color, 4, cv2.LINE_AA)
+  cv2.line(img, (int(p[0]), int(p[1])), (int(q[0]), int(q[1])), color, 3, cv2.LINE_AA)
  
   # create the arrow hooks
   p[0] = q[0] + 9 * cos(angle + pi / 4)
   p[1] = q[1] + 9 * sin(angle + pi / 4)
-  cv2.line(img, (int(p[0]), int(p[1])), (int(q[0]), int(q[1])), color, 4, cv2.LINE_AA)
+  cv2.line(img, (int(p[0]), int(p[1])), (int(q[0]), int(q[1])), color, 3, cv2.LINE_AA)
  
   p[0] = q[0] + 9 * cos(angle - pi / 4)
   p[1] = q[1] + 9 * sin(angle - pi / 4)
-  cv2.line(img, (int(p[0]), int(p[1])), (int(q[0]), int(q[1])), color, 4, cv2.LINE_AA)
+  cv2.line(img, (int(p[0]), int(p[1])), (int(q[0]), int(q[1])), color, 3, cv2.LINE_AA)
   ## [visualization1]
  
 
@@ -49,11 +49,11 @@ def getOrientation(pts, img):
  
   ## [visualization]
   # Draw the principal components
-  cv2.circle(img, cntr, 3, (255, 0, 255), 15)
+  cv2.circle(img, cntr, 3, (255, 0, 255), 10)
   p1 = (cntr[0] + 0.02 * eigenvectors[0,0] * eigenvalues[0,0], cntr[1] + 0.02 * eigenvectors[0,1] * eigenvalues[0,0])
   p2 = (cntr[0] - 0.02 * eigenvectors[1,0] * eigenvalues[1,0], cntr[1] - 0.02 * eigenvectors[1,1] * eigenvalues[1,0])
-  drawAxis(img, cntr, p1, (0, 0, 0), 1)
-  drawAxis(img, cntr, p2, (0, 0, 0), 5)
+  drawAxis(img, cntr, p1, (255, 255, 0), 1)
+  drawAxis(img, cntr, p2, (255, 255, 0), 4)
  
   angle = atan2(eigenvectors[0,1], eigenvectors[0,0]) # orientation in radians
   ## [visualization]