Apple Shake 4 Tutorials - Manual (Page 125)

Chapter 3 Depth Compositing 125
Importing Camera and Animation Data
In this example, continue with the MultiPlane node, and create a composite by
combining 3D and 2D elements with camera data imported from 3D animation
software.
A script is already set up to help you get started.
To load and preview the MultiPlane example:
1 Click the Load button at the top of the Node View.