In this lesson, you’ll use the Roto Brush tool to isolate a young boy from a wet winter background so you can color-treat the background without affecting the boy. To finish up the project, you’ll add an animated title.
First, you’ll preview the final movie and set up your project.
Make sure the following files are in the Lessons/Lesson09 folder on your hard disk, or download them from adobepress.com now:
In the Assets folder: boy.mov, Facetracking.mov
In the Sample_Movie folder: Lesson09.mp4
Open and play the Lesson09.mp4 sample movie in Windows Movies & TV or QuickTime Player to see what you will create in this lesson. When you are done, close Windows Movies & TV or QuickTime Player. You may delete the sample movie from your hard disk if you have limited storage space.
When you begin this lesson, restore the default application settings for After Effects. See “Restoring default preferences” on page 3.
Start After Effects, and then immediately hold down Ctrl+Alt+Shift (Windows) or Command+Option+Shift (macOS). When prompted, click OK to delete your preferences.
Click New Project in the Home window.
After Effects opens to display an empty, untitled project.
Choose File > Save As > Save As.
In the Save As dialog box, navigate to the Lessons/Lesson09/Finished_Project folder.
Name the project Lesson09_Finished.aep, and then click Save.
Creating the composition
You’ll import a footage file and create a composition from it.
Click New Composition From Footage in the Composition panel.
Navigate to the Lessons/Lesson09/Assets folder, select the boy.mov file, and then click Import or Open.
After Effects creates a composition named boy, based on the settings in the boy.mov file. The composition is three seconds long, with a frame size of 1920 x 1080. The movie file was shot at a rate of 29.97 frames per second.
Choose File > Save to save the project so far.