Test cluster parameters

test/test_clustering.py

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+import matplotlib.pyplot as plt
+import numpy as np
+import open3d as o3d
+
+
+def main():
+    cloud_file = "1636465097.pcd"
+
+    # eps, min_points = 0.02, 10
+    eps, min_points = 0.01, 8
+
+    cloud = o3d.io.read_point_cloud(cloud_file)
+
+    labels = np.array(cloud.cluster_dbscan(eps=eps, min_points=min_points))
+    max_label = labels.max()
+    print(f"point cloud has {max_label + 1} clusters")
+    colors = plt.get_cmap("tab20")(labels / (max_label if max_label > 0 else 1))
+    colors[labels < 0] = 0
+    cloud.colors = o3d.utility.Vector3dVector(colors[:, :3])
+    o3d.visualization.draw_geometries([cloud])
+
+
+if __name__ == "__main__":
+    main()