Most tutorials on this site have been designed to build on top on others.
This makes it easier to follow them in specific sequences.
A series represents this kind of sequence that has been premade with a specific kind of output and topics in mind.
A series is like a playlist.
The previous video showed how to create custom channels in nuke and assign any values you want into them. But the entire channel in the previous video was filled with a constant value. In this video we take that idea a bit further to create new channels but fill them with custom information in the form of shapes drawn with the Roto tools.