.. _pylab_examples-hexbin_demo: pylab_examples example code: hexbin_demo.py =========================================== .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/hexbin_demo.py :: """ hexbin is an axes method or pyplot function that is essentially a pcolor of a 2-D histogram with hexagonal cells. It can be much more informative than a scatter plot; in the first subplot below, try substituting 'scatter' for 'hexbin'. """ import numpy as np import matplotlib.pyplot as plt np.random.seed(0) n = 100000 x = np.random.standard_normal(n) y = 2.0 + 3.0 * x + 4.0 * np.random.standard_normal(n) xmin = x.min() xmax = x.max() ymin = y.min() ymax = y.max() fig, axs = plt.subplots(ncols=2, sharey=True, figsize=(7, 4)) fig.subplots_adjust(hspace=0.5, left=0.07, right=0.93) ax = axs[0] hb = ax.hexbin(x, y, gridsize=50, cmap='inferno') ax.axis([xmin, xmax, ymin, ymax]) ax.set_title("Hexagon binning") cb = fig.colorbar(hb, ax=ax) cb.set_label('counts') ax = axs[1] hb = ax.hexbin(x, y, gridsize=50, bins='log', cmap='inferno') ax.axis([xmin, xmax, ymin, ymax]) ax.set_title("With a log color scale") cb = fig.colorbar(hb, ax=ax) cb.set_label('log10(N)') plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)