FModifier(bpy_struct)

base class — bpy_struct

subclasses — FModifierPython, FModifierGenerator, FModifierFunctionGenerator, FModifierLimits, FModifierStepped, FModifierEnvelope, FModifierNoise, FModifierCycles

class bpy.types.FModifier(bpy_struct)

Modifier for values of F-Curve

active

F-Curve Modifier is the one being edited

Type:boolean, default False

blend_in

Number of frames from start frame for influence to take effect

Type:float in [-inf, inf], default 0.0

blend_out

Number of frames from end frame for influence to fade out

Type:float in [-inf, inf], default 0.0

frame_end

Frame that modifier’s influence ends (if Restrict Frame Range is in use)

Type:float in [-inf, inf], default 0.0

frame_start

Frame that modifier’s influence starts (if Restrict Frame Range is in use)

Type:float in [-inf, inf], default 0.0

influence

Amount of influence F-Curve Modifier will have when not fading in/out

Type:float in [0, 1], default 1.0

is_valid

F-Curve Modifier has invalid settings and will not be evaluated

Type:boolean, default False, (readonly)

mute

F-Curve Modifier will not be evaluated

Type:boolean, default False

show_expanded

F-Curve Modifier’s panel is expanded in UI

Type:boolean, default False

type

F-Curve Modifier Type

• 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.
• PYTHON Python.
• 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.

Type:enum in [‘NULL’, ‘GENERATOR’, ‘FNGENERATOR’, ‘ENVELOPE’, ‘CYCLES’, ‘NOISE’, ‘PYTHON’, ‘LIMITS’, ‘STEPPED’], default ‘NULL’, (readonly)

use_influence

F-Curve Modifier’s effects will be tempered by a default factor

Type:boolean, default False

use_restricted_range

F-Curve Modifier is only applied for the specified frame range to help mask off effects in order to chain them

Type:boolean, default False

Inherited Properties

bpy_struct.id_data

Inherited Functions

bpy_struct.as_pointer bpy_struct.driver_add bpy_struct.driver_remove bpy_struct.get bpy_struct.is_property_hidden bpy_struct.is_property_set bpy_struct.items bpy_struct.keyframe_delete

bpy_struct.keyframe_insert bpy_struct.keys bpy_struct.path_from_id bpy_struct.path_resolve bpy_struct.property_unset bpy_struct.type_recast bpy_struct.values

References

FCurve.modifiers FCurveModifiers.active FCurveModifiers.new

FCurveModifiers.remove NlaStrip.modifiers