Maybe a view from the other side may help a bit too.   I would like to get surveyor data in 3D Points, 3D Contours and a DTM, so that I can choose which is appropriate in that special situation.   And as we work by placing our building at the file origin, mostly lower left corner of the building grid, it could be nice to get the data already moved to such a fix point in all 3 Dimensions.   Not so necessary for me, but about the "Style". I think i