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LinkedIn Learning

VFX Techniques: Digital Set Extension

via LinkedIn Learning


Learn how to digitally extend a set with After Effects. Create a missing wall in the composite and add a moving scene outside windows.

Learn how to digitally extend a set with After Effects. Lee Lanier shows how to remove a tricky green screen with the KEYLIGHT plugin and a custom luma matte, motion track a new background with appropriate parallax, digitally dress a set with static artwork, fabricate shadows, and relight the footage to create a realistic result.


  • Welcome
  • Using the exercise files
1. Getting Started
  • Breakdown of the final composition
  • Setting up the project
2. Keying Green-Screen Footage
  • Applying the Keylight effect
  • Creating a luma mask
  • Using a track matte
  • Refining the alpha matte
3. Motion Tracking the Background
  • Combining multiple tracks
  • Adding 3D renders to the background
  • Parenting additional layers
4. Adding Fake Reflections
  • Creating depth of field
  • Layering background reflections
  • Layering foreground reflections
5. Tracking Foreground Elements
  • Adding set dressing
  • Set dressing the window
  • Creating drop shadows
  • Building a new window
  • Adding a reversed reflection
  • Determining perspective shift
  • Animating a 3D layer
6. Color Grading and Lighting
  • Building a custom glow
  • Making a glint
  • Final adjustments and rendering
  • Checking out the finished project
  • Next steps

Taught by

Lee Lanier

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