Height and Imagery Portfolio Information

This page provides an overview of the OS downloadable products available in the Height and Imagery Portfolio.

Height and imagery products

Height and imagery products assist users in evaluating the landscapes of Great Britain with digital terrain models (DTMs) and aerial photography. The following downloadable products are available within the Height and Imagery Portfolio:

OS 3D Mesh (Beta Product)

A stand-alone beta product providing a three-dimensional representation of the surface of the Earth and any features sitting above it.

OS Terrain 5

Provides a highly detailed digital terrain model (DTM) of Great Britain as a grid of heighted points or contours at 5metre intervals.

OS Terrain 50

An open height dataset of contours with spot heights, breaklines, coastline, lakes, ridges and formlines for Great Britain provided at 10metre intervals.

OS MasterMap Imagery Layer

Provides digital aerial photography of Great Britain that has been colour-balanced and corrected for geometric distortions.