| """ |
| ===================== |
| Hexagonal binned plot |
| ===================== |
| |
| `~.Axes.hexbin` is a 2D histogram plot, in which the bins are hexagons and |
| the color represents the number of data points within each bin. |
| """ |
|
|
| import matplotlib.pyplot as plt |
| import numpy as np |
|
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| |
| np.random.seed(19680801) |
|
|
| n = 100_000 |
| x = np.random.standard_normal(n) |
| y = 2.0 + 3.0 * x + 4.0 * np.random.standard_normal(n) |
| xlim = x.min(), x.max() |
| ylim = y.min(), y.max() |
|
|
| fig, (ax0, ax1) = plt.subplots(ncols=2, sharey=True, figsize=(9, 4)) |
|
|
| hb = ax0.hexbin(x, y, gridsize=50, cmap='inferno') |
| ax0.set(xlim=xlim, ylim=ylim) |
| ax0.set_title("Hexagon binning") |
| cb = fig.colorbar(hb, ax=ax0, label='counts') |
|
|
| hb = ax1.hexbin(x, y, gridsize=50, bins='log', cmap='inferno') |
| ax1.set(xlim=xlim, ylim=ylim) |
| ax1.set_title("With a log color scale") |
| cb = fig.colorbar(hb, ax=ax1, label='log10(N)') |
|
|
| plt.show() |
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