Soloing and muting tracks
Soloing a track allows you to see a track play back in isolation from other tracks. When a track is soloed,
the other tracks are disabled and do not play back. Soloing is useful when you want to review the effect
a specific track will have on a character.
To solo a track
1. In the Trax control area, click the Solo button for the track that contains the Aircraft_Rise and
Bank_Left clips.
The other tracks dim to indicate that they will be disabled when the animation is played back.
2. Click play on the Time Slider's playback control to play back the animation.
The aircraft rises, tilts left and right, and then lowers, without moving forward. Because the other
tracks have been shut off temporarily, the aircraft's motion is controlled by only one track.
3. Click stop on the Time Slider's playback control.
4. Click the Solo button again to enable all the tracks.
The dimmed tracks become active again.
Muting a track disables only the selected track so it does not play back. Muting is useful when you want
to review the animation on one or more tracks together without specific tracks being activated. You can
mute one or more tracks.
To mute a track
1. In the Trax control area, click the Mute button for the track that contains the Shift_Left and
Shift_Right clips.
The muted track dims to indicate it is disabled.
2. Click play on the Time Slider's playback control to play back the animation.
The aircraft rises and tilts left and right as it travels forward, and then lowers. Because the
Shift_Left and Shift_Right track is temporarily muted, only the two remaining tracks affect the
animation playback.
3. Click stop on the Time Slider's playback control.
4. Unmute the track by clicking its mute button before proceeding to the next section.
Scaling clips within Trax
You can scale single or multiple clips within the Trax Editor. Scaling a clip either compresses or expands
the animation of a clip so it occurs over a shorter or longer period of time. The resulting animation occurs
faster or slower as a result.
In the next steps, you select the four clips you imported to Trax, and scale them together so they occur
over the same time frame as the Travel_Forward clip.
To scale multiple clips in the Trax Editor
1. In the Trax Editor, shift-click on the clips: Bank_Left, Bank_Right, Shift_Left1, and Shift_Right1.
The clip manipulator appears. The clip manipulator appears as a white box that encompasses the
four clips with handles (triangles) on either end and a circle handle in the center. The clip
manipulator allows you to move or scale multiple clips.
2. Using the clip manipulator, click-drag the right-hand scale handle to the right until the Frame Out
numbers on the Bank_Right and Shift_Right clips match the Travel_Forward clip (Frame 299).
3. Click play on the Time Slider playback controls to play back the animation.
When the aircraft travels, the sideways and banking motions occur over the entire length of the
Travel_Forward clip.
4. Click the stop button on the playback controls to stop the playback.
This completes the first half of the Trax lesson. In the second half of this lesson you work with motion
capture data in Trax.
Soloing a track allows you to see a track play back in isolation from other tracks. When a track is soloed,
the other tracks are disabled and do not play back. Soloing is useful when you want to review the effect
a specific track will have on a character.
To solo a track
1. In the Trax control area, click the Solo button for the track that contains the Aircraft_Rise and
Bank_Left clips.
The other tracks dim to indicate that they will be disabled when the animation is played back.
2. Click play on the Time Slider's playback control to play back the animation.
The aircraft rises, tilts left and right, and then lowers, without moving forward. Because the other
tracks have been shut off temporarily, the aircraft's motion is controlled by only one track.
3. Click stop on the Time Slider's playback control.
4. Click the Solo button again to enable all the tracks.
The dimmed tracks become active again.
Muting a track disables only the selected track so it does not play back. Muting is useful when you want
to review the animation on one or more tracks together without specific tracks being activated. You can
mute one or more tracks.
To mute a track
1. In the Trax control area, click the Mute button for the track that contains the Shift_Left and
Shift_Right clips.
The muted track dims to indicate it is disabled.
2. Click play on the Time Slider's playback control to play back the animation.
The aircraft rises and tilts left and right as it travels forward, and then lowers. Because the
Shift_Left and Shift_Right track is temporarily muted, only the two remaining tracks affect the
animation playback.
3. Click stop on the Time Slider's playback control.
4. Unmute the track by clicking its mute button before proceeding to the next section.
Scaling clips within Trax
You can scale single or multiple clips within the Trax Editor. Scaling a clip either compresses or expands
the animation of a clip so it occurs over a shorter or longer period of time. The resulting animation occurs
faster or slower as a result.
In the next steps, you select the four clips you imported to Trax, and scale them together so they occur
over the same time frame as the Travel_Forward clip.
To scale multiple clips in the Trax Editor
1. In the Trax Editor, shift-click on the clips: Bank_Left, Bank_Right, Shift_Left1, and Shift_Right1.
The clip manipulator appears. The clip manipulator appears as a white box that encompasses the
four clips with handles (triangles) on either end and a circle handle in the center. The clip
manipulator allows you to move or scale multiple clips.
2. Using the clip manipulator, click-drag the right-hand scale handle to the right until the Frame Out
numbers on the Bank_Right and Shift_Right clips match the Travel_Forward clip (Frame 299).
3. Click play on the Time Slider playback controls to play back the animation.
When the aircraft travels, the sideways and banking motions occur over the entire length of the
Travel_Forward clip.
4. Click the stop button on the playback controls to stop the playback.
This completes the first half of the Trax lesson. In the second half of this lesson you work with motion
capture data in Trax.
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