Learn to composite like a pro VFX artist

What you'll learn

Understand RGB colorspace
De-mistify the merge node with math
Avoid roto mistakes
Use effective roto techniques
Link a roto to a 2D track
Clean up edges
Use simple math to add film grain
Quality check your work
Render using channels
Use a luminance keyer
Edit your keyframes with the curve editor
Keep a clean and organized Nuke script
Create a custom alpha channel

More info