def METHOD_NAME(point: Sequence, reference: TopocentricConverter, projection: pyproj.Proj) -> List[float]:
    """Transform on point from local coords to a proj4 projection."""
    lat, lon, altitude = reference.to_lla(point[0], point[1], point[2])
    easting, northing = projection(lon, lat)
    return [easting, northing, altitude]