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92 lines
2.8 KiB
Markdown
92 lines
2.8 KiB
Markdown
# Matplotlib标志
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显示一些matplotlib徽标。
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感谢Tony Yu <tsyu80@gmail.com>的标志设计
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```python
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import numpy as np
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import matplotlib as mpl
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import matplotlib.pyplot as plt
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import matplotlib.cm as cm
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mpl.rcParams['xtick.labelsize'] = 10
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mpl.rcParams['ytick.labelsize'] = 12
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mpl.rcParams['axes.edgecolor'] = 'gray'
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axalpha = 0.05
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figcolor = 'white'
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dpi = 80
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fig = plt.figure(figsize=(6, 1.1), dpi=dpi)
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fig.patch.set_edgecolor(figcolor)
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fig.patch.set_facecolor(figcolor)
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def add_math_background():
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ax = fig.add_axes([0., 0., 1., 1.])
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text = []
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text.append(
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(r"$W^{3\beta}_{\delta_1 \rho_1 \sigma_2} = "
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r"U^{3\beta}_{\delta_1 \rho_1} + \frac{1}{8 \pi 2}"
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r"\int^{\alpha_2}_{\alpha_2} d \alpha^\prime_2 "
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r"\left[\frac{ U^{2\beta}_{\delta_1 \rho_1} - "
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r"\alpha^\prime_2U^{1\beta}_{\rho_1 \sigma_2} "
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r"}{U^{0\beta}_{\rho_1 \sigma_2}}\right]$", (0.7, 0.2), 20))
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text.append((r"$\frac{d\rho}{d t} + \rho \vec{v}\cdot\nabla\vec{v} "
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r"= -\nabla p + \mu\nabla^2 \vec{v} + \rho \vec{g}$",
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(0.35, 0.9), 20))
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text.append((r"$\int_{-\infty}^\infty e^{-x^2}dx=\sqrt{\pi}$",
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(0.15, 0.3), 25))
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text.append((r"$F_G = G\frac{m_1m_2}{r^2}$",
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(0.85, 0.7), 30))
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for eq, (x, y), size in text:
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ax.text(x, y, eq, ha='center', va='center', color="#11557c",
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alpha=0.25, transform=ax.transAxes, fontsize=size)
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ax.set_axis_off()
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return ax
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def add_matplotlib_text(ax):
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ax.text(0.95, 0.5, 'matplotlib', color='#11557c', fontsize=65,
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ha='right', va='center', alpha=1.0, transform=ax.transAxes)
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def add_polar_bar():
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ax = fig.add_axes([0.025, 0.075, 0.2, 0.85], projection='polar')
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ax.patch.set_alpha(axalpha)
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ax.set_axisbelow(True)
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N = 7
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arc = 2. * np.pi
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theta = np.arange(0.0, arc, arc/N)
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radii = 10 * np.array([0.2, 0.6, 0.8, 0.7, 0.4, 0.5, 0.8])
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width = np.pi / 4 * np.array([0.4, 0.4, 0.6, 0.8, 0.2, 0.5, 0.3])
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bars = ax.bar(theta, radii, width=width, bottom=0.0)
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for r, bar in zip(radii, bars):
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bar.set_facecolor(cm.jet(r/10.))
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bar.set_alpha(0.6)
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ax.tick_params(labelbottom=False, labeltop=False,
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labelleft=False, labelright=False)
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ax.grid(lw=0.8, alpha=0.9, ls='-', color='0.5')
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ax.set_yticks(np.arange(1, 9, 2))
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ax.set_rmax(9)
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if __name__ == '__main__':
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main_axes = add_math_background()
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add_polar_bar()
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add_matplotlib_text(main_axes)
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plt.show()
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```
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## 下载这个示例
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- [下载python源码: logos2.py](https://matplotlib.org/_downloads/logos2.py)
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- [下载Jupyter notebook: logos2.ipynb](https://matplotlib.org/_downloads/logos2.ipynb) |