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Digital Surface Models (DSMs)Providing geospatial professionals worldwide with reliable 3D digital elevation models (DEMs) that enable the timely and affordable development of innovative solutions. Digital surface models (DSMs) are topographic maps of the earth's surface that provide you with a geometrically correct reference frame over which other data layers can be draped. The DSM data includes buildings, vegetation, and roads, as well as natural terrain features. DSMs are currently used by existing customers to create 3D fly-throughs, support location-based systems, augment simulated environments, and conduct viewshed analyses. They can also be used as a comparatively inexpensive means to ensure that cartographic products such as topographic line maps, or even road maps, have a much higher degree of accuracy than would otherwise be possible.
 Colorized DSM How is the DSM created? The DSM is comprised of elevation measurements that are laid out on a grid. These measurements are derived from the return signals received by the two radar antennae on our IFSAR equipped aircraft. The signals bounce off the first surface they strike, making the DSM a representation of any object large enough to be resolved. The data is collected and processed for wide area geographies and made available for immediate purchase through the NEXTMap TerrainOnDemand data store, directly through our sales team, or through partners around the globe.
 Learn more. Listen to a free recording from our DEM Fusion Webinar.  |
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