Coordinate framesΒΆ

In this basic example, we visualize a set of coordinate frames.

Naming for all scene nodes are hierarchical; /tree/branch, for example, is defined relative to /tree.

 1import random
 2import time
 3
 4import viser
 5
 6server = viser.ViserServer()
 7
 8while True:
 9    # Add some coordinate frames to the scene. These will be visualized in the viewer.
10    server.scene.add_frame(
11        "/tree",
12        wxyz=(1.0, 0.0, 0.0, 0.0),
13        position=(random.random() * 2.0, 2.0, 0.2),
14    )
15    server.scene.add_frame(
16        "/tree/branch",
17        wxyz=(1.0, 0.0, 0.0, 0.0),
18        position=(random.random() * 2.0, 2.0, 0.2),
19    )
20    leaf = server.scene.add_frame(
21        "/tree/branch/leaf",
22        wxyz=(1.0, 0.0, 0.0, 0.0),
23        position=(random.random() * 2.0, 2.0, 0.2),
24    )
25    time.sleep(5.0)
26
27    # Remove the leaf node from the scene.
28    leaf.remove()
29    time.sleep(0.5)