Created
September 11, 2025 05:57
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matplotlib generator colors from cmap and norm
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| # How to use matplotlib to assign a spectrum of colors to lines in a plot, | |
| import matplotlib as mpl | |
| strengths = [-2, -1, 0, 2, 3] | |
| v = max(np.abs(strengths)) | |
| cnorm = mpl.colors.CenteredNorm(0, v) | |
| cmap = mpl.cm.coolwarm | |
| for s in strengths: | |
| plt.plot(x, y, c=cmap(norm(s)) |
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