Main toolbar > Curve Editor (Open) > Highlight animated tracks. > Curves are displayed in Key Window.
Graph Editors > Track View - Curve Editor > Highlight animated tracks. > Curves appear in Key window.
Right-click any animated object. > Curve Editor > Curves appear in Key window.
The Curve Editor displays animation as function curves, charting the controllers' changes of value over time.
Highlighting a controller label displays keys for that item as vertices on the function curve. You can then highlight keys and change their values.
You can add keys to function curves for tracks that are not yet animated. The curves appear as straight lines. When you add a key to a function curve, a controller is created for that track.
Not all controller types display function curves. For example, a TCB Rotation controller doesn't display a function curve, while an Euler XYZ rotation controller shows individual curves for X, Y and Z. Some controllers display individual tracks for each axis, while other controllers combine the three axis values into a single curve.
The Track View tools for working with function curves, found on the Curve Editor toolbars and menus, include the following:
Apply Ease Curve / Apply Multiplier Curve
Multiplier Curve Out-of-Range Types
You can use Bezier handles in the Curve Editor to change the shape of the trajectory through a key. To display handles on a key, right-click a key in the Track View Key Window and choose the Custom Tangents option. You can assign the Custom Tangent type only to items using a Bezier controller. This will display tangent handles on the keys that you can manipulate horizontally and vertically.
To display function curves:
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Right-click the active viewport and choose Curve Editor.
The function curves for the object's animation are displayed in the Key window of the Function Curve Editor.
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To display additional curves at the same time, from the Track View menu choose Settings > Manual Navigation.
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Navigate the controller window until you see the additional tracks, and then hold down the Ctrl key and click them.
The curves for all highlighted tracks are displayed together in the Key window.