Real world coordinates are secured through a photo control survey at the project site. Photogrammetric technicians then observe a 3D photographic view of the terrain using precision stereo-digitizing equipment and record surface measurements in a computer graphics environment. This digital terrain model (DTM) is then processed to display contours for easy interpretation by the user.
Contours can be combined with planimetric data, or orthophoto imagery to produce a valuable tool for your project planning. The map scale or use scale and level of accuracy can be tailored to your project needs. The DTM data can also be used to determine cut and fill. The completed data is delivered as hard copy plotted maps and/or in your choice of Microstation DGN, AutoCad DWG or other popular digital formats.