NEXTMap Britain Difference Layer

The NEXTMap topographic data was collected using Intermap’s Star-3i IFSAR (Interferometric Synthetic Aperture Radar) producing a Digital Surface Model (DSM), a Digital Terrain Model (DTM) and orthorectified radar imagery (ORI) for the whole of the England, Scotland and Wales. All data has been processed to the OSGB National Grid and Newlyn Datum.
Intermap and Geosense have produced a wide variety of products which are ready to buy off-the-shelf from Geosense in a wide variety of GISand CAD ready formats.

Contact Geosense for prices on all NEXTMap Britain and Other NEXTMap datasets from around the world including USA and Indonesia.

DIFFERENCE LAYER
The NEXTMap Difference Layer shows the height difference between the NEXTMap DSM and DTM. Non-terrain features such as tree canopy and building heights are more obvious. Formats from Geosense include ArcGrid, ASCII, DXF, DGN and DWG.