Height Maps
ContourMap (Dotted Eyes, derived from OS Land-Form PANORAMA)
Seamless contour regions covering Great Britain (including the Isle of Man). Scales on screen from 1:200,000 to 1:20,000.
ContourMapOSNI (Dotted Eyes, derived from OSNI Height data)
Seamless contour regions covering Northern Ireland. Scales on screen from 1:200,000 to 1:20,000.
GroundMap (OS Meridian 2 Height theme)
DTM (Digital Terrain Model) grid data covering Great Britain (not including the Isle of Man). Scales on screen from 1:8,000,000 to 1:400,000.
RadarMap (InterMap NEXTMap Britain)
DTM (Digital Terrain Model) and/or DSM (Digital Surface Model) grid data covering Great Britain (not including the Isle of Man) Scales on screen from 1:100,000 to 1:10,000.
TerrainMap (OS Land-Form PANORAMA)
DTM (Digital Terrain Model) grid data covering Great Britain (including the Isle of Man). Scales on screen from 1:1,000,000 to 1:100,000.
TerrainMap OSNI (OSNI Height data)
DTM (Digital Terrain Model) grid data covering Northern Ireland. Scales on screen from 1:1,000,000 to 1:100,000.