![]() Contours are generated from the OS TerrainĀ® 5 using a third party application.Optional contour layer (contours are only 2D and don't contain a Z value).Georeferenced - meaning that the internal coordinate system of the data related to a geographic coordinate system (UK National Grid).The DTM (Digital Terrain Model) has an X,Y and Z (height) value.Section from OS Terrain 5 in vector format.Designed for use with CAD (Computer Aided Design Packages).Particular attention has been given to the modelling of significant landscape features such as roads, railways, quarries and lakes. OS Terrain is maintained as part of the same integrated revision process as Ordnance Surveys large scale data products which ensures the product is consistently maintained and offers unrivalled content currency. This height data is supplied in a 5m grid with 2D contours available as an option. OS Digital Terrain Model (DTM) 5m Grid - Overview ![]()
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February 2023
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