如何在 matplotlib 中分离阴影和边缘颜色? [英] How to decouple hatch and edge color in matplotlib?

问题描述

我想在 matplotlib 中绘制一个条形，白色为填充色，红色为填充色，黑色为边缘色.但是，看起来边缘颜色也会改变剖面线的颜色.所以，我无法将边缘和阴影的颜色分离.你有什么建议吗?谢谢.

I would like to draw a bar in matplotlib with white as fill color, red as hatch color and black as edge color. However, it looks like the edge color changes also the color of hatch. So, I am not able to decouple the color of edges and hatch. Do you have any suggestion? Thanks.

推荐答案

绘制条形图两次:

import matplotlib.pyplot as plt
from matplotlib.patches import Ellipse, Polygon

fig = plt.figure()
ax1 = fig.add_subplot(111)
# draw hatch
ax1.bar(range(1, 5), range(1, 5), color='none', edgecolor='red', hatch="/", lw=1., zorder = 0)
# draw edge
ax1.bar(range(1, 5), range(1, 5), color='none', edgecolor='k', zorder=1, lw=2.)

ax1.set_xticks([1.5, 2.5, 3.5, 4.5])
plt.show()

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