What is a utility node?
When to consider using a utility node in place of an expression.
How to create and connect a utility node with your scene.
What some of the common utility nodes are, and where to look up more information about them.
A utility node is a dependency graph node that accepts one or more connections as input, performs a useful calculation, and produces an output that you can attach to another node. Utility nodes, like expressions, perform calculations on attributes as Maya evaluates the dependency graph in your scene, and they can often be used in place of simple expressions. Furthermore, utility nodes can be much faster than ...