8000 Merge "Scatter Symbol" and "Scatter Custom Symbol" examples · matplotlib/matplotlib@d345624 · GitHub
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Merge "Scatter Symbol" and "Scatter Custom Symbol" examples
Also closes #22266 by using *sizes* instead of *s* and spelling out the color to make their meaning clearer.
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‎examples/lines_bars_and_markers/scatter_custom_symbol.py

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"""
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=====================
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Scatter Custom Symbol
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=====================
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Creating a custom ellipse symbol in scatter plot.
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=================================
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Scatter plots with custom symbols
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=================================
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.. redirect-from:: /gallery/lines_bars_and_markers/scatter_symbol
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"""
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##############################################################################
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# Using TeX symbols
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# -----------------
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# An easy way to customize scatter symbols is passing a TeX symbol name
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# enclosed in $-signs as a marker. Below we use ``marker=r'$\clubsuit$'``.
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import matplotlib.pyplot as plt
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import numpy as np
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# Fixing random state for reproducibility
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np.random.seed(19680801)
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x = np.arange(0.0, 50.0, 2.0)
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y = x ** 1.3 + np.random.rand(*x.shape) * 30.0
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sizes = np.random.rand(*x.shape) * 800 + 500
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fig, ax = plt.subplots()
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ax.scatter(x, y, sizes, c="green", alpha=0.5, marker=r'$\clubsuit$',
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label="Luck")
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ax.set_xlabel("Leprechauns")
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ax.set_ylabel("Gold")
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ax.legend()
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plt.show()
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##############################################################################
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# Using a custom path
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# -------------------
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# Alternatively, one can also pass a custom path of N vertices as a Nx2 array
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# of x, y values as *marker*.
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# unit area ellipse
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rx, ry = 3., 1.
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area = rx * ry * np.pi

‎examples/lines_bars_and_markers/scatter_symbol.py

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