The scale to map.
Open string steps from A4, low→high, in steps of the scale's tuning (one fret per
step). The exported presets are 12-TET: for a scale of another tuning on a 12-TET
instrument, pass scale.retune(TET12).
Optionaloptions: FretboardVoicingOptionsmaxFret controls how far up the neck to scan (default 12).
A single result with all scale positions across the neck.
Maps all scale note positions across the full neck. Each string entry is an array of fret numbers (0–
maxFret) where a scale note appears.