Join Ian Robinson for an in-depth discussion in this video Creating a garbage mask, part of After Effects CS6 Essential Training.
Whether you create a garbage mask at the beginning of the process or after the…process of keying is really up to you.…I personally like to get everything cut out of the scene that I'm not dealing…with so I know exactly what's left to use for my key.…If you're unfamiliar with the term garbage mask, all it is the process of…creating a mask to cut out any extemporaneous elements that you don't want in your scene.…So if we look at our video clip here, let's select Layer 1 and turn…the visibility off.…
You can see I have a graphic background that I want my talent over and I have…two shades of green.…This is basically the edge of the stage.…Now if we scroll out, you can see there's a slight black line all the way…around this as well.…So we're going to create a mask that just goes around her making sure to cut…this element out and this black line out. All right,…so let's scroll back up here and I'm actually going to choose Fit up to 100%…just so I can see all of the edges of my comp. Okay,…now if you go up to the Tool panel, let's click and hold, we can just choose…
Author
Ian Robinson
Released
5/7/2012- Setting up the workspace, important preferences, and the cache
- Importing footage and comps
- Relinking missing footage
- Creating type, shape layers, and masks
- Rotoscoping with the Roto Brush
- Adjusting keyframes in the Graph Editor
- Timing animations to audio
- Building backgrounds with effects
- Rendering with the Render Queue and Adobe Media Encoder
- Animating 3D type
- Smoothing shaky footage and retouching footage
- Keying green screen footage
- Working with 3D: extruding shapes, adding ray-traced lighting, and more
Skill Level Beginner
Duration
Views
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Adobe After Effects
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What is After Effects?1m 8s
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Introduction
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Welcome1m 37s
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Using the exercise files1m 13s
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1. Getting Started
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Understanding compositions8m 48s
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Understanding effects3m 26s
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Moving in 3D space7m 41s
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Staying organized5m 15s
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2. Understanding Compositions
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Creating compositions7m 19s
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Introducing renderers3m 15s
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Understanding precomposing7m 16s
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Relinking missing footage4m 15s
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3. Building and Designing with Layers
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Defining layers6m 23s
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Creating type5m 58s
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Building shape layers6m 17s
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Refining with the Roto Brush5m 20s
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4. Animation 101
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Understanding keyframes6m 1s
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Interpolating keyframes8m 5s
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Timing to audio4m 41s
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Trimming and sliding edits5m 31s
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Swapping images4m 1s
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5. Using Effects to Modify Layers
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Layering multiple effects9m 13s
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Creating animated strokes5m 36s
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6. Jumping into 3D
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Introducing cameras10m 3s
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Working with 3D layers6m 37s
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Positioning layers6m 13s
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Using 3D precompositions2m 5s
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Adjusting depth of field5m 56s
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7. Exporting and Rendering
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Caching and prerendering6m 33s
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Using the Render Queue4m 34s
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Archiving finished projects4m 51s
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8. Going in Depth with Type and Shapes
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Creating type animators12m 16s
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Animating type in 3D space6m 35s
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Composing 3D type8m 41s
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Animating shape layers8m 10s
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9. Video in Depth
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Creating stylized video6m 47s
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Retiming video footage9m 31s
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10. Project: Keying Green Screen Footage
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Understanding keying3m 19s
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Creating a garbage mask4m 27s
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11. Integrating External Projects
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Importing Illustrator files4m 24s
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12. Project: Tracking and Advanced 3D
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Tracking footage8m 15s
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Extruding shapes8m 39s
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Bending layers8m 38s
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Adding environment maps4m 58s
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Beginning compositing8m 52s
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Creating render passes10m 17s
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Building a final composite8m 14s
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13. Conclusion
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What's next1m 8s
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Video: Creating a garbage mask