Building Complex Fusion Effects With the Custom Tool

If you are new to Fusion and to compositing you’ll find plenty of useful information in this tutorial that looks at the custom tool and how to work with channels to create complex effects surprisingly simply. Yet more keying tips included! WARNING: Not all versions of Fusion are the same!!! If you in Fusion 8 or lower then use: i2: max(min((1-i1*n1),1), 0) instead of clamp(1-i1*n1) for the keyer set-up. See here for details: