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The Fade Control

You can reveal the opacity control for the clips in a superimpose track by expanding the track and selecting the fade switch (see Chapter 5). This reveals a red fade line, or rubber band, control. The video fade line controls the opacity of a clip much the same way that the audio fade line controls the audio gain levels. You can even use most of the same tools and techniques that you use with the audio fade line. The fade adjustment, scissors, and cross-fade tools, for example, all work with the video fade line. But whereas the audio fade line shows normal gain level (100 percent) when centered in its track, the video fade line shows 100 percent opacity when it’s at the top of its track. (After all, you can’t boost opacity above 100 percent, as you can audio gain.)

To use a video fade handle:

1.
Arrange clips in the timeline so that a clip in a superimpose track overlaps a clip in a lower track.

The clip in the higher track acts as the foreground (higher layer of video), and clips in lower tracks act as the background (lower layers of video).

2.
Expand the superimpose track to reveal the video fade line (Figure 13.5).

Figure 13.5. Arrange clips so that they overlap, and expand the superimpose tracks to reveal the fade line.


If the fade line is not visible, click the fade button to view the fade line instead of effect keyframes.

3.
Position the pointer on the video fade line.

The pointer changes to a white finger icon , indicating that you are about to create a new handle.

4.
Click to create a control handle.

A handle (red dot) appears on the video fade line (Figure 13.6).

Figure 13.6. Click the fade line to create a handle.


5.
Drag the fade handle down or up to control the opacity of the clip (Figure 13.7).

Figure 13.7. Drag the fade handle down or up to control the opacity of the clip.


The top of the fade area represents 100 percent opaque; the bottom represents 0 percent opaque.


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