Our
NEXTMap digital terrain model (DTM) is a bare-earth model that contains elevations of natural terrain features such as barren ridge tops and river valleys. Elevations of vegetation and cultural features, such as buildings and roads, are digitally removed. It provides seamless, wide-area, and current terrain data so you can perform more accurate cross-border geospatial analyses in applications that require a bare-earth model, such as:
- Contour generation
- Base, geologic, and topographic mapping
Our
NEXTMap terrain model is available in two versions:
- Hydro-enforced digital terrain model – structures over water bodies (such as bridges and culverts) are removed, water surfaces are flat, and watercourses flow downstream – making them ideal for water resource and floodplain management applications.
- Ortho-ready digital terrain model – bridge decks and culverts are maintained in the elevation models, and major roads are smooth to accommodate the use of the terrain model in orthorectification of optical images.
Our world-class enterprise workflow allows us to integrate elevation datasets from around the world to provide the best-of-breed digital terrain models with a range of accuracies starting at 1 vertical meter LE90% in unobstructed terrain of low slopes.