笔记
单击此处 下载完整的示例代码
文字水印#
可以通过绘制半透明文本来实现水印效果。
import numpy as np
import matplotlib.pyplot as plt
# Fixing random state for reproducibility
np.random.seed(19680801)
fig, ax = plt.subplots()
ax.plot(np.random.rand(20), '-o', ms=20, lw=2, alpha=0.7, mfc='orange')
ax.grid()
ax.text(0.5, 0.5, 'created with matplotlib', transform=ax.transAxes,
fontsize=40, color='gray', alpha=0.5,
ha='center', va='center', rotation=30)
plt.show()