1 import cv2 2 import numpy as np 3 def fan() :   4     f=open("picture.txt","r") 5     a = [] 6     b = [] 7     for eachline in f: 8         eachline = eachline.strip() 9         eachline = eachline.split("   ") 10         for i in eachline:                11             i = str(i)12             b.append(i)13             if len(b) == 4:14                 a.append(b)15                 b = []16     17     i_mg = cv2.imread("jiangnan.jpg")18     i=019     for picture in a :20         21         x = int(picture[0])22         y = int(picture[1])23         w = int(picture[2])24         h = int(picture[3])25         i+=126         I_mg = i_mg[y:h,x:w]    27         c = cv2.imwrite(str(i)+".jpg", I_mg)28     return29 #获取图像数据30 def on_mouse(event ,x,y,flag,param):31     global events32     global img33     34     if events[event]=='CV_EVENT_LBUTTONDOWN':35         print "(%d,%d):" % (y,x) 36         print img[y,x,:]37         c=str(y)38         d=str(x)39         40         cv2.imshow("img", img)41         l.write(c)42         l.write("   ")43         l.write(d)44         l.write("   ")          45      return46 47 l=open("picture.txt","w")48 f=open("picture.txt","r")49 img = cv2.imread("jiangnan.jpg")50 51 events = ['CV_EVENT_MOUSEMOVE', 'CV_EVENT_LBUTTONDOWN',52           'CV_EVENT_RBUTTONDOWN','CV_EVENT_MBUTTONDOWN', 53           'CV_EVENT_LBUTTONUP','CV_EVENT_RBUTTONUP',54           'CV_EVENT_MBUTTONUP'  , 'CV_EVENT_LBUTTONDBLCLK',55           'CV_EVENT_RBUTTONDBLCLK','CV_EVENT_MBUTTONDBLCLK']56 57 #def getdistance(co1,co2):58 #return np.sqrt(sum((co1-co2)*(co1-co2)))59 60 cv2.namedWindow('img')61 cv2.setMouseCallback('img',on_mouse,1)62 cv2.imshow("img", img)63 64 cv2.waitKey(0)65 l.close()66 cv2.destroyAllWindows()67 fan()