Bird's Eye of WTC- "Deep Compositing"
A VFX Breakdown scene coming in January 2016. It will show the Pros & Con's using" Deep Compositing" Workflow & techniques.
NukeX 6.3 or higher is needed. It will cover how to take full advantage of the "Deep data" to use on everyday 3D composites.
Deep Data doesn't have to be limited to Volumetric smokes, fogs, etc..