Path To Automation

Overview

Converts a curve drawn in the path editor into a time curve (AutomationCurve). Design pitch or gain changes freely as if drawing a Bezier graph where horizontal means time and vertical means value.

Usage tips

• A practical SFX workflow is to draw a shape that rises sharply and falls → path_to_automation (set output_min/max in semitones) → audio_oscillator.pitch_curve. The line shape becomes the character of the sound.
• For gain, an output range of 0–1 is standard.
• If the curve shape changes often, this is faster to edit than the preset-based automation_curve.

Related nodes

• audio_oscillator — a common curve destination
• automation_curve / image_to_automation — alternate ways to create curves
• bezier_path / multi_path_editor — draw the source path

Converts a Path into a time-based AutomationCurve, reading the horizontal axis as time and the vertical axis as value.

Ports

Parameters

• duration: duration of the curve
• samples: number of curve samples
• invert_y: treats upward lines as higher values
• output_min: output value for curve value 0
• output_max: output value for curve value 1

Notes

For pitch control, set output_min / output_max in semitones. For gain control, 0..1 is the standard range.

When a Path contains multiple subpaths, only the first is read and a non-fatal warning is shown. Reduce the source to the intended single subpath when all other shapes should be ignored deliberately. A connected empty Path returns a zero curve with a warning; a missing or mistyped required path is an evaluation error.