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Lesson 5. Horror Festival Ad > Importing an image sequence

Importing an image sequence

One of the last elements of the advertisement is the title-card animation. A poster for a fictional film festival was created in Adobe Illustrator. The Roughen filter was applied to three versions, resulting in three different sets of edges for the card. All the files were then opened in Photoshop, sized to 320 x 240 (so they'd line up in After Effects), and saved as Photoshop files.

  1. Activate the Project window, right-click (Windows) or Control-click (Mac OS) in the Project window, choose Import > Footage File, and then open the Title folder in the 05Lesson folder. Select the Title1.psd file, select Photoshop Sequence, and click Open.

  2. Click the Guess button in the Interpret Footage dialog box to guess the type of alpha channel, and then click OK.

    The three files are consolidated and appear in the Project window as a sequence. You'll now use the looping function to lengthen the sequence. You want a duration of about 2.5 seconds, so you'll loop the sequence 23 times (23 x 3 images = 69 frames, or about 2.5 seconds).

  3. In the Project window, right-click (Windows) or Control-click (Mac OS) the Title sequence, and choose Interpret Footage > Main. Enter 23 in the Loop entry box, and click OK.


    Figure .


  4. Set the current time to 15:00. In the Project window, drag the Title sequence icon onto the Final Comp icon.

  5. Activate the Time Layout window. With the Title layer still selected, choose Layer > Time Stretch, and then enter 400 for the Stretch Factor. (This time you want the image to flicker, so you'll leave frame blending alone.) Click OK.

    You'll use Position, Scale, Rotation, and Opacity keyframes to spin the poster quickly in from the moon. You'll then use the Difference mode to drop out the black while making the poster look creepier.

  6. Set the current time to 15:21 (where the title card will end up), and display the Transform properties for the Title layer (press the P key, Shift+S, Shift+R, and Shift+T). Then set Position, Scale, Rotation, and Opacity keyframes without changing their values.

  7. Return the current time to 15:00, and set the Opacity value to 0.

  8. Drag the Title layer so that its center anchor point is in the center of the moon.


    Figure .


  9. Change the Scale value to 0 and the Rotation value to 2 revolutions.

  10. Set the beginning of the work area to 15:00 and the end to 16:00, and then preview the motion using RAM Preview.

  11. In the Layer Switches panel, select the Motion Blur switch for the Title layer and click the Enable Motion Blur button. Preview the motion again and notice how motion blur makes it look more realistic.

    Figure . Motion Blur switch

    Set the current time to 15:21, and display the Transfer Modes panel, and then choose Difference from the Mode menu for the Title layer. This will drop out the black and blend the colors of the poster with the background.

    The Difference mode subtracts the channel values of the layer and underlying colors and displays the absolute value of the result.

  12. Save the project.


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