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TCB Controllers 361
make the solu tion more stiff, the dampening is
increased to maintain system stability.
Relative/Absolute—With Relative chosen, changing
the Tension and Dampening settings causes the
new settings to be added to the existing values.
With Absolute chosen, the new settings replace the
existing values.
Forces Limits and Precision rollout
External Forces group
Add—Click this button, and then select one or
more space warps in the Forces category that are to
affect the object’s motion. To finish adding space
warps, click Add again, right-click in a viewport,
or press ESC.
Remove—Removes hig hlighted space warps f rom
the list.
(Li st)—Lists a ll spring space war ps by name.
Calculation Parameters group
Start Frame—The frame at which the Spring
controller first takes effect. Default=0.
Iterations—The accuracy of the controller
application. If you get unexpected results, try
increasing this setting. Default=2. R ange=0 to 4 .
X/Y /Z Effect— These settings let you control the
percentage of the effect on the individual world
axes. Default=100. Range=0 to 200.
TCB Contr oll er s
Main toolbar > Curve Editor (Open) > Select a track in the
Track View hierarchy. > Track View menu bar > Controller
menu>Assign>TCB
Graph Editors > Track View - Curve Editor > Select a
track in the Track View hierarchy. > Track V iew toolbar >
Controller menu > Assign > TCB
Animation menu > Position, Rotation, or Scale >
Quaternion (TCB)
TCB Controllers produce curve-based animation
much like Bezier controllers. H owever, TCB
controllers do not use tangent types or adjustable
tangent handles. They use fields to adjust the
Tension, Continuity, and Bias of the animation.
ThiscontrollerworkswellasaPositioncontroller
in conjunction with the Motion panel >
Trajectories display of an object. With sub-object
keys turned on and the Key Info dialog for a key
displayed (right-click and select Key Info on the
selected key to display Key Info properties), you