.. _rna_enum_fmodifier_type_items:

Fmodifier Type Items
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:NULL: Invalid.

:GENERATOR: Generator.

   Generate a curve using a factorized or expanded polynomial.
:FNGENERATOR: Built-In Function.

   Generate a curve using standard math functions such as sin and cos.
:ENVELOPE: Envelope.

   Reshape F-Curve values, e.g. change amplitude of movements.
:CYCLES: Cycles.

   Cyclic extend/repeat keyframe sequence.
:NOISE: Noise.

   Add pseudo-random noise on top of F-Curves.
:LIMITS: Limits.

   Restrict maximum and minimum values of F-Curve.
:STEPPED: Stepped Interpolation.

   Snap values to nearest grid step, e.g. for a stop-motion look.
:SMOOTH: Smooth (Gaussian).

   Smooth curve using Gaussian smoothing.
