Matplotlib刻度标签的字体重量仅限于几个选项 [英] Matplotlib tick label fontweight is limited to a few options

问题描述

查看以下代码

import numpy as np
import matplotlib.pyplot as plt

x = np.linspace(0.0001, 30, 1000)
y = np.sin(x)/x

fig, ax = plt.subplots(1, 1)
ax.plot(x, y)
ax.tick_params(which="major", labelsize=14, width=1.3)

for label in ax.get_xticklabels():
    label.set_fontweight(550) # If change to 551, label will be bold-like

根据此处，参数可以是数值或字符串.但是，我测试了两者.标签字体权重似乎与[0，550]中的字体权重参数相同，在[551，1000]范围内变为粗体.另外， semibold 和 bold 似乎具有相同的字体粗细.

Accoding to here, the paramater can be a numeric value or a string. However, I tested both. It seems that label fontweight is the same for fontweight params in [0, 550], in the range [551 , 1000], it becomes bold. Also, semibold, and bold seem to have the same fontweight.

我假设 fontweight 是线性变化的，但显然不是.任何人都可以解释为什么会这样?

I assume a linear change of fontweight, but apparently it is NOT. Anyone can explain why it is so?

推荐答案

通常情况下，一种字体只有有限数量的字重，例如Regular、Medium、Bold 等.字体粗细不是无限的.

Normally, a font only has limited number of font weight, such as Regular, Medium, Bold, etc. The font weights are not infinite.

数值与有限字体粗细有对应关系.如需了解详情，请参阅此处.

There is correspondence between the numeric value and finite font weight. For more details, see here.

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