Use of NTv2 transformation grids in engineering applications
This paper describes a technique to transform coordinates between map references based on NTv2 format grids. Using the grids rather than carrying out a transformation allows to avoid map archives doubling, thereby easing on the fly transformation between different map representations. The paper also includes a case-study on a highway stretch currently under construction, the Pedemontana Lombarda highway.
ntv2 transformation grid rectilinear coordinates