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29 lines
804 B
Markdown
29 lines
804 B
Markdown
# Frontpage 绘图示例
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此示例再现Frontpage 绘图示例。
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```python
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import matplotlib.pyplot as plt
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import matplotlib.cbook as cbook
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import numpy as np
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with cbook.get_sample_data('membrane.dat') as datafile:
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x = np.fromfile(datafile, np.float32)
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# 0.0005 is the sample interval
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fig, ax = plt.subplots()
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ax.plot(x, linewidth=4)
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ax.set_xlim(5000, 6000)
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ax.set_ylim(-0.6, 0.1)
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ax.set_xticks([])
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ax.set_yticks([])
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fig.savefig("membrane_frontpage.png", dpi=25) # results in 160x120 px image
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```
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## 下载这个示例
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- [下载python源码: membrane.py](https://matplotlib.org/_downloads/membrane.py)
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- [下载Jupyter notebook: membrane.ipynb](https://matplotlib.org/_downloads/membrane.ipynb) |