Function alongTrackDistanceKm

alongTrackDistanceKm(
    point: DDCoordinates,
    start: DDCoordinates,
    end: DDCoordinates,
    options?: GeodesyOptions,
): number
How far along the great circle from start towards end the point nearest to point lies, in kilometres: negative if it is behind start.
Parameters
- point: DDCoordinates
- start: DDCoordinates
- end: DDCoordinates
- options: GeodesyOptions = {}
Returns number
- Defined in geodesy.ts:130