Optionalallow: AlignmentFitKindOptionaloptions: { level?: number | null }Optionallevel?: number | nullThe height in mm the move points land on instead of that of the onto points: a drawing whose corners were picked on wall tops belongs on its floor. The residuals are then measured in plan
The alignment that takes the move points of the pairs onto their onto points, by least squares over all pairs. With fewer pairs than
allowneeds it fits what the pairs allow (one pair moves only); null without pairs. In float64, so millimetres survive survey coordinates.