Digital Elevation Models (DEM) & Digital Terrain Models (DTM)

Digital Elevation Models (DEM) & Digital Terrain Models (DTM)

DEMs and DTMs are sometimes used synonymously.  While both products provide a highly accurate representation of the earth’s surface and terrain features, each model can be utilized in their own unique way.

Utilizing our Intelligent Data Collection (IDC) process, we reduce time spent collecting, processing and delivering the data required by our clients. IDC is the efficient means of gathering information and data via the use of multiple sensors on various manned and unmanned platforms which is then processed, analyzed, and built into a product for dissemination. The value in providing greater cost savings and time efficiencies using collection methods such as photogrammetry and LIDAR is immediately realized.

When compared to conventional survey methods (ground, manned aircraft and satellite), we decrease the man-hours required to collect 3-cm accurate elevation data. The advantage of decreasing the interval between collecting and delivering these data sets to our clients is exponential.  By minimizing the time processing the data, our clients are able to create and present their products much faster than conventionally possible.