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import cv2import numpy as np#图片路径img = cv2.imread('031.jpg')a =[]b = []def on_EVENT_LBUTTONDOWN(event, x, y,flags, param): if event == cv2.EVENT_LBUTTONDOWN: xy = "%d,%d" % (x, y) a.append(x) b.append(y) cv2.circle(img, (x, y), 1, (0, 0, 255), thickness=-1) cv2.putText(img, xy, (x, y), cv2.FONT_HERSHEY_PLAIN, 1.0, (0, 0, 0), thickness=1) cv2.imshow("image", img) cv2.namedWindow("image")cv2.setMouseCallback("image", on_EVENT_LBUTTONDOWN)cv2.imshow("image", img)cv2.waitKey(0)print(a[0],b[0])
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