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To delete a display modifier from the Display Pass Through placeholder:
➤ With the Display (modifier) tab active, click the Delete button in the Tool
Options area.
The Pass Through tool is very useful as a connection point in the dependency
graph. The Pass Through tool node allows you to make multiple output sockets.
Use this node as the input to a group to simplify the representation of a
complex effect. Once all the necessary Pass Through output connections have
been made, any other tool that you want to add before the Pass Through
branching point can be done without having to cut and reestablish the
connections.
Switcher Tool
The Switcher is a standalone tool that allows you to alternate between different
output views from multiple nodes without having to disconnect and reconnect
nodes. It has multiple image inputs, but only one output. There is a single
primary input, and a secondary input that can receive input from multiple
nodes. The Switcher functions as a pass through for one selected image.
Specifically, the output acts as a pass through for the primary input.
The Switcher tool has just one option in the UI. The list of node inputs is
displayed so you can select a node to connect to the primary input. The name
of the node connected to the primary input is always visible. The list of nodes
connected to the secondary input can be viewed by clicking the name button
in the Switcher tool UI. The user just has to click one of the nodes displayed
in the list of nodes connected to the secondary input, and it will automatically
become connected to the primary input. The change will immediately be
814 | Chapter 34 Utilities