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szdr/color_scatter.py

Created July 8, 2016 15:02
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color_scatter.py
import numpy as np
import matplotlib.cm as cm
import matplotlib.pyplot as plt
if __name__ == '__main__':
N = 100
X = np.random.rand(N, 2)
y = np.random.rand(N) * 2 - 1
sc = plt.scatter(X[:, 0], X[:, 1], vmin=-1, vmax=1, c=y, cmap=cm.seismic)
plt.colorbar(sc)
plt.savefig("demo.png")
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