AutoGrade DTM creates TIN surfaces from points and breaklines imported from AutoCAD LT or from your data collector. In addition, this product includes TIN surface generation, contouring and cut/fill quantities, while the boundary tools include angle/distance traversing, automatic angle/distance labeling, arrows, text tools and more. AutoGrade works with AutoCAD LT 98, 2000 and 2000i, as well as AutoCAD R14, 2000, 2000i.