Linear Description Name class Tinman.Georef.DatumOp.Linear Derived from DatumOp Linearly transforms 3D geographic coordinates. For the given input coordinates (lambda, phi, h), the transformation will give: (lambda + longitude, phi + latitude, h * scale + offset) Fields / Optional latitude Type number Default 0 The latitude offset, in radians. longitude Type number Default 0 The longitude offset, in radians. offset Type number Default 0 The height offset, in vertical units. scale Type number Default 1 The height scale. Helmert Matrix