# # 演示轴 Hbox Divider

HBox Divider用于排列子图。

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.axes_grid1.axes_divider import HBoxDivider
import mpl_toolkits.axes_grid1.axes_size as Size

def make_heights_equal(fig, rect, ax1, ax2, pad):

h1, v1 = Size.AxesX(ax1), Size.AxesY(ax1)
h2, v2 = Size.AxesX(ax2), Size.AxesY(ax2)

my_divider = HBoxDivider(fig, rect,

ax1.set_axes_locator(my_divider.new_locator(0))
ax2.set_axes_locator(my_divider.new_locator(2))

if __name__ == "__main__":

arr1 = np.arange(20).reshape((4, 5))
arr2 = np.arange(20).reshape((5, 4))

fig, (ax1, ax2) = plt.subplots(1, 2)
ax1.imshow(arr1, interpolation="nearest")
ax2.imshow(arr2, interpolation="nearest")

rect = 111  # subplot param for combined axes

for ax in [ax1, ax2]:
ax.locator_params(nbins=4)

# annotate
ax3 = plt.axes([0.5, 0.5, 0.001, 0.001], frameon=False)
ax3.xaxis.set_visible(False)
ax3.yaxis.set_visible(False)
ax3.annotate("Location of two axes are adjusted\n"
"so that they have equal heights\n"
"while maintaining their aspect ratios", (0.5, 0.5),
xycoords="axes fraction", va="center", ha="center",