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Digital Surface Models (DSM)

Off-The-Shelf Elevation Models for a Complete 3D View

Hexagon’s HxGN Content Program offers nationwide digital surface models (DSM) up to 20 cm resolution (nominal point spacing) across the United States and Europe. The data is orthorectified, standardized and homogeneous, making it ideal for extracting features and deriving analytics.


The HxGN Content Program, Hexagon’s aerial data program, offers the largest library of high-resolution multispectral aerial imagery and elevation data of the United States, Europe, and parts of Canada. Hexagon is the only aerial data provider to offer off-the-shelf nationwide DSM at 80 cm resolution across the United States and Europe.

Derived from quality controlled, high-accuracy aerial imagery, the HxGN Content Program’s DSM provides a clear view of the surface and its above-ground features in a 3D format. It is readily available and can be used for landscape modelling, city modelling, visualization applications, flood modelling, land-use studies, and geological applications. Unprecedented consistency and positional accuracy makes it an ideal data source for automatic feature extraction and machine learning applications. Flexible data use terms allow users to create derived products.

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Deliverable raster products

Stereo Imagery, Orthorectified imagery, DEM, DTM

Options for delivery

FTP, Hard Drive, Individual Files

Deliverable vector products [2D and 3D]

aircraft or satellite

Aerial (aircraft)


Europe, North America

Year of introduction


Satellites or constellations of delivered products

NA - Aerial Imagery

Image corrections

Proces of geometric correction

Photogrammetric bundle adjustments

Image sharpening methods

Several options

Sensor corrected


Proces of sensor correction

Geometric - insitu flight calibration Radiometric - lab with integrating sphere

Radiometrically corrected


Process of radiometric and/or atmospheric correction

Several options

Imagery Specifications

Spectral band types

Red, Green, Blue, Near-infrared

Data formats of imagery

Spectral bands [specify wavelengths]

Red 619-651 nm, Green 525-585nm, Blue 435-495, NIR 808-882nm

Revisit time and delivery

Delivery time [Time between data capture and delivery; in hours]


Revisit time for defined data products


Resolution and Accuracy

Resolution of other bands [GSD in centimeters]

All bands are acquired at the same resolution


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