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git-subtree-dir: Programming/EARIN git-subtree-mainline:635e287095git-subtree-split:a09c96dd65
54 lines
1.3 KiB
Python
54 lines
1.3 KiB
Python
import tempfile
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import os
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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 main():
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# define number of data points
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N = 10
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# define the visualization params
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colors = np.random.rand(N)
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with tempfile.NamedTemporaryFile(suffix=".png", delete=False) as f:
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# iterate over the optimization steps
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for i in range(10):
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# generate random 2D data - replace it with the results from your algorithm
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x = np.random.rand(N)
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y = np.random.rand(N)
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# plot the data
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plt.cla()
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plt.figure()
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plt.scatter(x, y, c=colors, alpha=0.5)
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plt.xlim([0, 1])
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plt.ylim([0, 1])
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plt.savefig(f.name)
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# read image
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image = cv2.imread(f.name)
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# show the image, provide window name first
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cv2.imshow('visualization', image)
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# add wait key. window waits until user presses a key and quits if the key is 'q'
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if cv2.waitKey(0) == 113:
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# and finally destroy/close all open windows
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cv2.destroyAllWindows()
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exit()
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try:
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f.close()
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os.unlink(f.name)
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except:
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pass
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cv2.destroyAllWindows()
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if __name__ == '__main__':
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main()
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