The software uses the Delaunay Triangulation method to create accurate surface models and can generate contours at any user-defined interval.

Organize your survey data in Excel with columns for Serial No, X, Y, Z, and Remarks.

While users often search specifically for "SW-DTM 2007" due to its compatibility with legacy versions of AutoCAD, the official developer, , provides the latest stable versions for free on their official portals.