Apple Shake 4 Tutorials - Manual (Page 27)

Chapter 1 Shake Basics 27
You can also drag from the bottom of table to the second input on Over1.
Information flows downward in the Node View like a stream—the image data is passed
from the orchid and table nodes, and fed into the Over1 node to create the composite.
What happened? The top half of the image is gone. We’ll fix this in a minute—and
explain what it means.
orchid node table node Over1 node