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import sys
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import cv2
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import numpy as np
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import matplotlib.pyplot as plt
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def polylines(img_path, data, isClosed, color, thickness):
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img = cv2.imread(img_path, 1) # 读取图片
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pts = np.array(data, np.int32)
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pts = pts.reshape((-1, 1, 2))
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cv2.polylines(img, [pts], isClosed, color, thickness)
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cv2.imwrite('./output/polylines.jpg', img)
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'''
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输入:img_path, pts, isClosed, color, thickness
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输出：在传入的img上添加一个多边形
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'''
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if __name__ == '__main__':
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polylines(sys.argv[1], eval(sys.argv[2]), eval(sys.argv[3]), eval(sys.argv[4]), eval(sys.argv[5]))
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