# OS MasterMap Greenspace Layer Technical Specification

OS MasterMap Greenspace Layer gives a comprehensive view of the greenspaces within an urban area. The dataset consists of topographic areas published in OS MasterMap Topography Layer, with additional greenspace-specific attribution to describe their function. It includes both publicly accessible and private greenspaces. This product has been designed for Public Sector Geospatial Agreement (PSGA) customers.

<figure><img src="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FFAJpyiT8zc6mOpDhKfdm%2F1.jpeg?alt=media" alt="OS MasterMap Greenspace Layer data overlaid on OS MasterMap Topography Layer"><figcaption><p>OS MasterMap Greenspace Layer data overlaid on OS MasterMap Topography Layer</p></figcaption></figure>

## Index

The OS MasterMap Greenspace Layer technical specification contains the following sections:

* [Product classification and structure](https://docs.os.uk/os-downloads/products/land-and-terrain-portfolio/os-mastermap-greenspace-layer/os-mastermap-greenspace-layer-technical-specification/product-classification-and-structure)
* [Feature types](https://docs.os.uk/os-downloads/products/land-and-terrain-portfolio/os-mastermap-greenspace-layer/os-mastermap-greenspace-layer-technical-specification/feature-types)
* [Code lists and Enumerations](https://docs.os.uk/os-downloads/products/land-and-terrain-portfolio/os-mastermap-greenspace-layer/os-mastermap-greenspace-layer-technical-specification/code-lists-and-enumerations)
* [Function hierarchy](https://docs.os.uk/os-downloads/products/land-and-terrain-portfolio/os-mastermap-greenspace-layer/os-mastermap-greenspace-layer-technical-specification/code-lists-and-enumerations/function)
* [Form hierarchy](https://docs.os.uk/os-downloads/products/land-and-terrain-portfolio/os-mastermap-greenspace-layer/os-mastermap-greenspace-layer-technical-specification/form-hierarchy)
* [OS Open Greenspace lookup table](https://docs.os.uk/os-downloads/products/land-and-terrain-portfolio/os-mastermap-greenspace-layer/os-mastermap-greenspace-layer-technical-specification/os-open-greenspace-lookup-table)
* [GML overview](https://docs.os.uk/os-downloads/products/land-and-terrain-portfolio/os-mastermap-greenspace-layer/os-mastermap-greenspace-layer-technical-specification/gml-overview)
* [ESRI shapefile overview](https://docs.os.uk/os-downloads/products/water-portfolio/os-open-rivers/os-open-rivers-technical-specification/esri-shapefile-overview)
* [GeoPackage overview](https://docs.os.uk/os-downloads/products/land-and-terrain-portfolio/os-mastermap-greenspace-layer/os-mastermap-greenspace-layer-technical-specification/geopackage-overview)