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Height information package

Knowing the terrain of the Earth's surface and the height of man-made structures is useful for advanced site analysis. Using this information in GIS or CAD software provides a 3D view of an area and gives an indication of the character of the surrounding natural and built environment. Height information is also helpful for effective environmental analysis that relies on elevation, such as flood modelling. Terrain information can be utilised to evaluate slope and aspect, and can be used to assess viewpoints.

Digital Terrain Model

The Digital Terrain Model (DTM) is a representation of the ground surface after the vegetation and built structures have been digitally removed. You can download the regular grid of points containing elevation values allowing the terrain of an area to be viewed in 3D. This is particularly useful during the planning and design stages of a development when terrain characteristics can be included in site analysis and incorporated into proposed schemes. It can also be used when carrying out environmental assessments where profiles and cross sections are required such as in flood modelling.

  • LiDAR
  • RADAR
  • Photogrammetry

Digital Surface Model

The Digital Surface Model (DSM) is a representation of the ground surface that includes all built structures, vegetation and roads, as well as natural features. You are able to download a regular grid of points containing elevation values allowing the built environment to be viewed in 3D. This information can be used for many different purposes, from urban planning to advanced 3D fly-through animations.

  • LiDAR
  • RADAR
  • Photogrammetry

3D Building Models

3D building models from Vertex and Z mapping are available for various towns and cities throughout Great Britain. These models have the highest level of detail and accuracy currently available and offer Architects and CAD modellers a real life representation of a site or project area.

  • Medium detail models
  • High detail models
  • Bespoke models

London Building Heights

This layer can be used to give you an instant impression of what the building heights are for the London area. Architects in particular find this layer a convenient tool for a quick desktop analysis of a project site area.

    5m - 10m Interval contours

    FIND’s height contour data is from the Ordnance Survey Landform PROFILE product range. Height contours are suitable for use when slope, aspect and height of the land may be a factor in assessment or analysis. The dataset also includes spot heights that have either been surveyed or captured by photogrammetry.

      Landform Panorama

      Ordnance Survey’s Landform Panorama offers a cost effective broad-brush terrain model of the UK consisting of drawn contours derived from OS 50k base mapping and a digital terrain model (DTM) at a resolution of 50m, making it suitable for initial analysis of terrain.

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