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The Roto Brush tool is to the right of the Paint tools. Mastering this workflow will provide you with a far more rewarding experience than simply applying Roto Brush at its default settings. We’ll move on to a more challenging exercise, guiding you through the preferred workflow for achieving optimal results. We’ll start with a simple task so you can gain familiarity with Roto Brush’s basic tools. It’s not perfect, but it’s often better than trying to paint or mask every frame by hand. After Effects then uses motion estimation to track how this boundary changes over time, with help from you in the form of corrective brush strokes. To accomplish this, you draw simple strokes that define the foreground and optionally the background, and After Effects determines the boundary between the two. Roto Brush Roto Brush is an intelligent paint tool that helps automate the process of creating an alpha channel for an object (the foreground) to separate it from the rest of the image around it (the background). Pages 279–288 are not included in this excerpt. Then imagine dragging some of those pins around…Įxcerpt from After Effects Apprentice, 3rd Edition. Then imagine pushing pins through areas of that layer, such as where feet and hands are. Imagine your image being printed on a sheet of rubber, which is automatically trimmed to the outline of your layer. The Puppet tool provides an alternate way to warp layers. To accomplish this, you draw simple strokes that define the foreground and background, and After Effects determines the boundary between the two. Roto Brush is an intelligent paint tool that helps automate the time-consuming process of separating a foreground object (such as an actor) from its background, allowing new imagery to be placed behind it.
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Paint only works in the Layer panel, but every single stroke is exposed in the Timeline panel, allowing you to retime, edit, and animate the brush settings and location of the stroke after the fact.
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It allows you to paint nondestructively onto a layer, and to reveal or erase parts of an underlying image Paint can also clone from one area of an image to another, as well as from a different frame. His lesson will focus on advanced techniques for manipulating and enhancing layers: Paint, Roto Brush, and the Puppet tools.Īfter Effects Paint is based on a simplified version of Adobe Photoshop’s paint tool, with the added element of time. 탋 Getting Started Copy the Lesson 10-Paint, Roto, and Puppet folder from this book’s disc onto your hard drive, and make note of where it is it contains the project files and sources you need for this lesson. 탋 In This Lesson 279 281 281 282 282 283 284 285 286 287 288 289 292 294 296 298 300 301 302 303 303 304īasic painting erasing strokes Paint Channels Paint blending modes brush duration bar animating strokes revealing a layer creating organic textures tablet settings cloning transforming strokes basic Roto Brush Roto Brush workflow the base frame propagating strokes corrective strokes refining the matte Puppet Pin tool animating Puppet pins Puppet Overlap tool recording puppet animation Puppet Starch tool multiple shapes Paint, Roto, and Puppet Exploring Paint, Roto Brush, and the Puppet tools.