point_sample_factor to a smaller number

import open3d as o3d

#draw a point cloud with default parameter
dataset = o3d.data.PLYPointCloud()
office = o3d.io.read_point_cloud(dataset.path)
o3d.visualization.draw_plotly([office])

#we can downsample these points to speed up visualization by adjusting 
# point_sample_factor to a smaller number
dataset = o3d.data.PLYPointCloud()
office = o3d.io.read_point_cloud(dataset.path)
o3d.visualization.draw_plotly([office], point_sample_factor=0.1)

#adjust the camera to get a better view
dataset = o3d.data.PLYPointCloud()
office = o3d.io.read_point_cloud(dataset.path)
o3d.visualization.draw_plotly([office],
                              point_sample_factor=0.1,
                              zoom=0.3,
                              front=[0.4257, -0.2125, -0.8795],
                              lookat=[2.672, 2.0475, 1.532],
                              up=[-0.0694, -0.9768, -0.2024])

#draw a triangle mesh
dataset = o3d.data.BunnyMesh()
mesh = o3d.io.read_triangle_mesh(dataset.path)
o3d.visualization.draw_plotly([mesh],
                              up=[0, 1, 0],
                              front=[0, 0, 1],
                              lookat=[0.0, 0.1, 0.0],
                              zoom=0.5)

#draw a triangle mesh with wireframes.
dataset = o3d.data.BunnyMesh()
mesh = o3d.io.read_triangle_mesh(dataset.path)
o3d.visualization.draw_plotly([mesh],
                              mesh_show_wireframe=True,
                              up=[0, 1, 0],
                              front=[0, 0, 1],
                              lookat=[0.0, 0.1, 0.0],
                              zoom=0.5)

#draw a point set
points = [
    [0, 0, 0],
    [1, 0, 0],
    [0, 1, 0],
    [1, 1, 0],
    [0, 0, 1],
    [1, 0, 1],
    [0, 1, 1],
    [1, 1, 1],
]
lines = [
    [0, 1],
    [0, 2],
    [1, 3],
    [2, 3],
    [4, 5],
    [4, 6],
    [5, 7],
    [6, 7],
    [0, 4],
    [1, 5],
    [2, 6],
    [3, 7],
]
colors = [[1, 0, 0] for i in range(len(lines))]
line_set = o3d.geometry.LineSet(
    points=o3d.utility.Vector3dVector(points),
    lines=o3d.utility.Vector2iVector(lines),
)
line_set.colors = o3d.utility.Vector3dVector(colors)
o3d.visualization.draw_plotly([line_set])