mirror of
https://github.com/pyscript/pyscript.git
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51 lines
1.3 KiB
HTML
51 lines
1.3 KiB
HTML
<html>
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<head>
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<title>Matplotlib</title>
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<meta charset="utf-8">
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<link rel="stylesheet" href="../build/pyscript.css" />
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<script defer src="../build/pyscript.js"></script>
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<py-env>
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- matplotlib
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</py-env>
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</head>
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<body>
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<div id="mpl"></div>
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<py-script output="mpl">
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import matplotlib.pyplot as plt
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import matplotlib.tri as tri
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import numpy as np
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# First create the x and y coordinates of the points.
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n_angles = 36
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n_radii = 8
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min_radius = 0.25
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radii = np.linspace(min_radius, 0.95, n_radii)
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angles = np.linspace(0, 2 * np.pi, n_angles, endpoint=False)
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angles = np.repeat(angles[..., np.newaxis], n_radii, axis=1)
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angles[:, 1::2] += np.pi / n_angles
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x = (radii * np.cos(angles)).flatten()
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y = (radii * np.sin(angles)).flatten()
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z = (np.cos(radii) * np.cos(3 * angles)).flatten()
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# Create the Triangulation; no triangles so Delaunay triangulation created.
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triang = tri.Triangulation(x, y)
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# Mask off unwanted triangles.
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triang.set_mask(np.hypot(x[triang.triangles].mean(axis=1),
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y[triang.triangles].mean(axis=1))
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< min_radius)
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fig1, ax1 = plt.subplots()
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ax1.set_aspect('equal')
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tpc = ax1.tripcolor(triang, z, shading='flat')
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fig1.colorbar(tpc)
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ax1.set_title('tripcolor of Delaunay triangulation, flat shading')
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fig1
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</py-script>
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</body>
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</html>
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