In this second half of
this lesson, you work with a second scene file that contains motion
capture data applied to a skeleton.
data is produced by capturing the movement of a real human or animal
and digitizing it so it can be applied to a 3D animation character. Motion
capture data contains keyframe animation. Motion capture data is useful
because it can capture the subtle nuances of motion and gesture
that make a character’s actions appear life-like. Motion capture
data can substantially reduce the work related to posing and keyframing
- Open the scene file named Trax_Lesson2.mb.
This file can be found
in the GettingStarted directory
that you set as your Maya project:
The skeleton appears
in the Maya scene in the standard da Vinci pose. In this pose, the
character stands straight with its arms extended out to either side.
This pose is useful when you need to skin a character, retarget
animation from one skeleton to another, or set a rest pose for the
In this half of the lesson
you learn how to use the Trax Editor to
work with motion capture data by extending and redirecting the motion
for a character.
If your skeleton doesn’t
appear as shown, you will need to increase the size of the skeleton’s
To resize the joints on the skeleton
- From the main menu, select
> Animation > Joint Size.
Display Scale window appears.
- Set the Joint Display Scale to
- Close the Joint Display Scale window.
To preview the motion capture animation
- Click play on the Time Slider playback
controls to play back the animation.
The skeleton is repositioned
and then walks from left to right, stops, and then sits.
- Press stop on the Time Slider’s playback