FCurve(bpy_struct)

base class — bpy_struct

class bpy.types.FCurve(bpy_struct)

F-Curve defining values of a period of time

array_index

Index to the specific property affected by F-Curve if applicable

Type :int in [-inf, inf], default 0

color

Color of the F-Curve in the Graph Editor

Type :float array of 3 items in [-inf, inf], default (0.0, 0.0, 0.0)

color_mode

Method used to determine color of F-Curve in Graph Editor

Type :enum in [‘AUTO_RAINBOW’, ‘AUTO_RGB’, ‘CUSTOM’], default ‘AUTO_RAINBOW’

data_path

RNA Path to property affected by F-Curve

Type :string, default “”

driver

Channel Driver (only set for Driver F-Curves)

Type :Driver, (readonly)

extrapolation

Type :enum in [‘CONSTANT’, ‘LINEAR’], default ‘CONSTANT’

group

Action Group that this F-Curve belongs to

Type :ActionGroup

hide

F-Curve and its keyframes are hidden in the Graph Editor graphs

Type :boolean, default False

is_valid

False when F-Curve could not be evaluated in past, so should be skipped when evaluating

Type :boolean, default False

keyframe_points

User-editable keyframes

Type :FCurveKeyframePoints collection of Keyframe, (readonly)

lock

F-Curve’s settings cannot be edited

Type :boolean, default False

modifiers

Modifiers affecting the shape of the F-Curve

Type :FCurveModifiers collection of FModifier, (readonly)

mute

F-Curve is not evaluated

Type :boolean, default False

sampled_points

Sampled animation data

Type :Collection of FCurveSample, (readonly)

select

F-Curve is selected for editing

Type :boolean, default False

use_auto_handle_clamp

All auto-handles for F-Curve are clamped

Type :boolean, default False

evaluate(frame)

Evaluate fcurve.

Parameters:

• frame (float in [-inf, inf]) – Frame, Evaluate fcurve at given frame

Returns:

Position, FCurve position

Return type:

float in [-inf, inf]

range()

Get the time extents for F-Curve.

Returns:Range, Min/Max values Return type:float array of 2 items in [-inf, inf]

Inherited Properties

bpy_struct.id_data

Inherited Functions

bpy_struct.as_pointer bpy_struct.callback_add bpy_struct.callback_remove 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.type_recast bpy_struct.values

References

Action.fcurves ActionFCurves.new ActionFCurves.remove

ActionGroup.channels AnimData.drivers NlaStrip.fcurves