i succeed to use code to draw green line, but green line not draw the
large area, expect second uploaded picture, the blue line connect
the bottom of red line graph
im = img.copy()
cntcounter = 0
for cnt in contours:
#epsilon = 0.1*cv2.arcLength(cnt,True)
#approx = cv2.approxPolyDP(cnt,epsilon,True)
#peri = cv2.arcLength(cnt, True)
#approx = cv2.approxPolyDP(cnt, 0.15 * peri, True)
#print("len(approx)="+str(len(approx)))
#if len(approx) == 2:
print("approx=" + str(approx))
cntcounter = cntcounter + 1
print("here1")
#x,y,w,h = cv2.boundingRect(cnt)
hull = cv2.convexHull(cnt,returnPoints = True)
print("here2")
while im is None:
time.sleep(1)
if im is not None:
print("here3")
#cv2.rectangle(im, (x,y), (x+w, y+h), (0,255,0), 2)
#cv2.imwrite("C:\\Users\\tester\\Documents\\masda"+str(cntcounter)+".png",imi)
#im = cv2.line(im,(x,y),(x+w,y),(0,255,0),2)
#im = cv2.line(im,(x+w,y),(x+w,y+h),(0,255,0),2)
#im = cv2.line(im,(x,y+h),(x+w,y+h),(0,255,0),2)
#im = cv2.line(im,(x,y),(x,y+h),(0,255,0),2)
previousx = 0
previousy = 0
for c in hull:
if previousx != 0 and previousy != 0 and c[0][0] != 0 and
c[0][1] != 0 and abs(previousy - c[0][1]) > 10 and abs(c[0][0] - previousx) >
1:
while im is None:
time.sleep(1)
cv2.line(im,(previousx,previousy),(c[0][0],c[0][1]),(0,255,0),2)
print("")
#print("previousx=" + str(previousx))
#print("previousy=" + str(previousy))
#print("c[0][0]=" + str(c[0][0]))
#print("c[0][1]=" + str(c[0][1]))
previousx = c[0][0]
previousy = c[0][1]
https://drive.google.com/file/d/0Bxs_ao6uuBDUWVBFZzVIVGotRlk/view?usp=sharing
expected is
https://drive.google.com/file/d/0Bxs_ao6uuBDUNGZFS2F3WnJERzA/view?usp=sharing
--
https://mail.python.org/mailman/listinfo/python-list
