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Applying Preset Function Curves

There are a number of presets available for time-independent fcurves that allow you to quickly apply a certain shape. These are fcurves that do not represent change over time, but rather some kind of relationship with another parameter, such as for deform profile curves, linked parameters, and expressions.

These presets are also available in “mini” fcurve editors as found for many of the deform operators (see Deformations in the Modeling and Deformation Basics guide) and for the time warp function in the animation mixer (see Changing Time Relationships (Timewarps) in the Nonlinear Animation guide).

Presets are fcurves saved in .fraw2 ASCII files (see Saving and Loading Function Curves). By default, their range in X (normally the “time” axis) is from 1 to 100, and 0 to 1 in Y (value).

To apply a preset to a time-independent fcurve

1. Select a time-independent fcurve (you can select only one at a time).

2. Right-click in any empty space in the fcurve graph.

3. Choose one of the several presets from the menu (as shown below).

The preset fcurve is remapped (scaled) in X to match the first and last key of the selected fcurve. If there are fewer than two keys, than the preset is loaded with the default X and Y ranges.

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