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- from vedo import *
- colors = [
- "black",
- "lightgreen",
- "orange",
- "yellow",
- "green",
- "lightblue",
- "pink",
- "red",
- "cyan",
- "yellow",
- "blue",
- "tomato",
- "violet",
- "brown",
- ]
- n = len(colors)
- x = np.linspace(0, n, n+1)
- # x = np.sqrt(np.linspace(0, n, n+1))
- vals = x.copy()[1:]
- print(vals)
- xyz = np.concatenate((x[:, None], np.ones((n+1, 2))), axis=-1)
- xyz_segments = np.stack((xyz[:-1, :], xyz[1:, :]), axis=1)
- lines0 = Lines(xyz_segments, lw=8)
- lines0.cmap(colors, vals, on="cells")
- lines1 = Lines(xyz_segments, lw=8).shift(0,-0.2)
- table = [(x, color) for x, color in zip(vals, colors)]
- clut = build_lut(table, vmin=vals[0], interpolate=0)
- print("table:", table)
- lines1.cmap(clut, vals, on="cells")
- pts = Points(xyz, c='black', r=8)
- plt = Plotter()
- plt += [pts, pts.labels2d('id'), lines0, lines1]
- plt.show("Colors must match", size=(1200,300), zoom=3.5).close()
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