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— To add a router to a connection: Option-click anywhere on a connection.
— To move a router: Drag the router to a new location, and the connection will reshape itself as necessary.
— To branch a router’s output: Drag a connection from the router output to the input of another node. You can branch a router’s output as many times as you need to.
— To remove a router: Select any router and press the Delete key, or right-click a router and choose Delete from the contextual menu.
Swapping Node Inputs
For multiple-input nodes such as the Merge, Merge 3D, and Dissolve nodes, there’s a quick method of swapping the Primary and Secondary inputs, such as the foreground and background inputs of a Merge tool, when you find you’ve accidentally connected them in the wrong order. If a node has more than two of its inputs connected, only the foreground and background inputs will be swapped.
— Select a node and press Command-T to reverse its inputs.
— Right-click a node and choose Swap Inputs from the contextual menu.
Before swapping node inputs (left), and after swapping node inputs (right), the connections don’t move but the colors change.
Inputs can move freely around the node, so swapping two inputs doesn’t move the connection lines; instead, the inputs change color to indicate you’ve reversed the background (orange) and foreground (green) connections.