Setting the animation layer modes

 
 
 

Once you have created or duplicated a layer, you can set its animation layer mode and accumulation mode. See also Animation layer modes and Accumulation modes.

To set an animation layer to Additive mode:

Do one of the following:

NoteA new layer is set to Additive mode by default.

To set an animation layer to Override mode:

Do one of the following:

The layer is in Override mode and its name displays in bold text.

NoteWhen you first set a layer to Override mode, the Passthrough option is active by default and the layer’s Weight is set at 100.

To set the Passthrough mode:

Do one of the following:

To set the layer Accumulation modes:

Option Description
Per Layer The keyframes set for rotation are calculated according to layer first, and property second. MotionBuilder calculates all the keyframes set for these three properties (Rotation XYZ) on the first layer before calculating the next layer, and so on.
Per Channel The keyframes set for rotation are calculated according to property first, and layer second. All keyframes set for Rotation X are calculated first for every layer, then all keyframes set for Rotation Y on all layers are calculated, and finally all keyframes set for Rotation Z on all layers are calculated.
NoteMotionBuilder and Maya use different Layer Accumulation modes by default. In MotionBuilder, Per Layer (known as Quaternion Rotation Accumulation mode in Maya) is the default. In Maya, Per Channel (known as Euler Rotation Accumulation mode) is the default.

NoteMotionBuilder does not support layers that use the Scale Additive Accumulation mode. A dialog warning appears when you import a scene that uses this type of layer. You can either use Scale Multiply Accumulation mode in Maya and export the file again or you can bake your layers to retain the visual fidelity of your animation.

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