The Channel Nodes
Everything in digital art is channel information and Nuke can manage many more than the standard red, green, blue and alpha channels. This is particularly important when 3D rendered output is composited typically consists of such channels as reflection, ambient occlusion, motion etc. It is also important in the management of alphas that typically need intense management within the composting workflow.
- Alpha Channel.
- Alphas, masks and mattes are three different flavors of channel information.