from matplotlib.pyplot import figure, show, cm
from numpy import arange
from numpy.random import rand


def gbar(ax, x, y, width=0.5, bottom=0):
    X = [[.6, .6], [.7, .7]]
    for left, top in zip(x, y):
        right = left + width
        ax.imshow(X, interpolation='bicubic', cmap=cm.Blues,
                  extent=(left, right, bottom, top), alpha=1)

fig = figure()

xmin, xmax = xlim = 0, 10
ymin, ymax = ylim = 0, 1
ax = fig.add_subplot(111, xlim=xlim, ylim=ylim,
                     autoscale_on=False)
X = [[.6, .6], [.7, .7]]

ax.imshow(X, interpolation='bicubic', cmap=cm.copper,
          extent=(xmin, xmax, ymin, ymax), alpha=1)

N = 10
x = arange(N) + 0.25
y = rand(N)
gbar(ax, x, y, width=0.7)
ax.set_aspect('auto')
show() 

• 2023/04/02 Ver=1.03 Python 3.11.2 で確認
• 2020/10/31 Ver=1.01 Python 3.7.8 で確認
• 2018/12/01 Ver=1.01 初版リリース

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