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How CATMotion Controllers Work

The output of every CATMotion controller is a combination of different curves. In the case of FootPlatform>Lift the end result is a combination of MAX Step Time, MAX Stride Length, the velocity of the PathNode and the values you assign to all of the individual controllers for the FootPlatform.

The curve you see in the FootPlatform>Lift box is useful for helping to create the result you want in the animation for that controller, but you can also see the actual result in Track View.

To view the output curves for an element (in this case a FootPlatform):

1. Select the element in the viewport.
   
   
2. Open the Curve Editor (make sure the Show Only Selected Objects filter is checked).
   
   
3. Open up the tree for the selected object and expand the Layer Transform branch.
   
   
   
   
4. Expand the LayerTransform branch. The information for the selected element is held in the CATMotionPos controller.
   
   
   
   
5. Now click on CATMotionPos.
   
   
   

Here you can see the graph that represents the trajectory for the selected Footplatform, as compared to the graph in the Footplatform controller (below).