matplotlib bar 设置柱的内部符号
时间: 2023-06-27 20:07:01 浏览: 297
你可以使用Matplotlib的`bar`函数的`hatch`参数来设置柱内部的符号。`hatch`参数接受一个字符串参数,用来指定不同类型的符号。以下是一些可用的符号示例:
```
/ - diagonal hatching
\ - back diagonal
| - vertical
- - horizontal
+ - crossed
x - crossed diagonal
o - small circle
O - large circle
. - dots
* - stars
```
下面是一个示例代码,演示了如何在Matplotlib中设置柱状图的内部符号:
```python
import matplotlib.pyplot as plt
# 数据
data = [5, 10, 15, 20, 25]
# 创建图形和轴对象
fig, ax = plt.subplots()
# 绘制柱状图,并设置内部符号
rects = ax.bar(range(len(data)), data, hatch='x')
# 设置图表标题和标签
ax.set(title='Bar Chart with Hatched Bars', xlabel='X-axis', ylabel='Y-axis')
# 显示图表
plt.show()
```
这将生成一个带有交叉符号的柱状图,如下所示:

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