linewidth_minimal_example.py

import open3d
import numpy as np
def main():
    vis = open3d.visualization.Visualizer()


    vis.create_window("Pose Visualizer")
    vis.get_render_option().line_width = 10.0

    obb = open3d.geometry.OrientedBoundingBox(center=np.array([0.0,0.0,0.0]), R=np.eye(3), extent=np.array([1.0, 1.0, 1.0]))
    box_points = obb.get_box_points()
    lines = [
        [0, 1],
        [0, 2],
        [0,3],
        [1,6],
        [1, 7],
        [2,5],
        [2,7],
        [3,5],
        [3,6],
        [4,5],
        [4,6],
        [4,7],
    ]
    line_colors = [[0, 0, .5] for i in range(len(lines))]
    line_set = open3d.geometry.LineSet(
        points=open3d.utility.Vector3dVector(box_points),
        lines=open3d.utility.Vector2iVector(lines),
    )
    line_set.colors = open3d.utility.Vector3dVector(line_colors)
    vis.add_geometry(line_set)


    while True:
	    vis.poll_events()
	    vis.update_renderer()


if __name__ == "__main__":
	main()