This overview introduces OSMM Topography Layer – BHA and gives context for all users – highlighting key features, providing examples of potential uses, and listing details such as file sizes.
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OS MasterMap Topography Layer – Building Height Attribute is an enhancement to, and forms part of, the OS MasterMap Topography Layer product. It provides a set of height attributes for Topographic Area features with a buildings theme within OS MasterMap Topography Layer. This initial set has been further enhanced with the inclusion of Tanks, Chimney Stacks and Glasshouses. To use the Building Height Attribution data, it must first be joined to the OS MasterMap Topography Layer holding using the topographic identifiers (TOIDs). The Getting Started Guide will assist you with this process.
The OS MasterMap Topography Layer – Building Height Attribute product was developed in response to customer demand for height information for buildings and select structures. This additional attribution can be used to make simple 3D visualisations of buildings and structures and to assist users with a range of analytical applications across both public and commercial sectors.
OS MasterMap Topography Layer – Building Height Attribute can be used to enhance the information obtained from OS MasterMap Topography Layer in a range of applications. It can also be integrated with other Ordnance Survey products such as OS Terrain 5 and OS MasterMap Imagery Layer. Potential applications include, but are not limited to, the following:
To visualise urban landscapes, aiding both planning decisions and the formulation and communication of planning policy.
To model the impact of development projects rapidly and with increased efficiency.
To help in emergency planning and risk assessment by enabling the appropriate resources to be deployed more rapidly.
To help companies understand issues associated with installing and maintaining utilities and services to customers, for example, performing water and gas pressure calculations, and installing smart meters in properties.
To use in insurance calculation models through using the heights as a proxy for the number of levels in a building.
To use in calculations of radio signal propagation and the planning of wireless networks.
To identify appropriate sites upon which to build renewable energy infrastructures.
This Overview includes the following sections:
