| import matplotlib.pyplot as plt |
| from mpl_toolkits.mplot3d import Axes3D |
| import numpy |
|
|
| from deap import tools |
|
|
| NOBJ = 3 |
| P = [12] |
| SCALES = [1] |
|
|
| fig = plt.figure(figsize=(7, 7)) |
| ax = fig.add_subplot(111, projection="3d") |
|
|
| |
| ax.scatter(0, 0, 0, c="k", marker="+", s=100) |
|
|
| |
| ref_points = [tools.uniform_reference_points(NOBJ, p, s) for p, s in zip(P, SCALES)] |
| ref_points = numpy.concatenate(ref_points) |
| _, uniques = numpy.unique(ref_points, axis=0, return_index=True) |
| ref_points = ref_points[uniques] |
|
|
| ax.scatter(ref_points[:, 0], ref_points[:, 1], ref_points[:, 2], marker="o", s=48) |
|
|
| |
| ax.set_xlabel("$f_1(\mathbf{x})$", fontsize=15) |
| ax.set_ylabel("$f_2(\mathbf{x})$", fontsize=15) |
| ax.set_zlabel("$f_3(\mathbf{x})$", fontsize=15) |
| ax.view_init(elev=11, azim=-25) |
| ax.autoscale(tight=True) |
| plt.tight_layout() |
|
|
| plt.show() |
|
|
