Cartography
Study and practice of making maps
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| February 7 2023 | Ownership of Ordnance Survey Ltd was transferred to the newly formed Department for Science, Innovation and Technology. |
| 2021 | OS Maps expanded its coverage to include Australia, extending its geographical mapping services. |
| September 14 2019 |
GeoTIFF
The Open Geospatial Consortium published the OGC GeoTIFF standard (version 1.1), defining requirements and encoding rules for georeferenced imagery exchange using the TIFF file format.
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| June 10 2019 | Steve Blair was appointed as Chief Executive of the Ordnance Survey by the Department for Business, Energy and Industrial Strategy (BEIS). |
| April 2019 | Integrated Transport Network (ITN) layer was withdrawn and replaced by OS MasterMap Highways Network. |
| June 2018 | Following Geospatial Commission recommendations, parts of OS Mastermap were released under the Open Government Licence, including property extents, TOIDs, and various mapping layers. |
| 2016 | Address layers were withdrawn, with address information moved to AddressBase products. |
| 2015 | Completed a data-capture programme of 'Road Routing Information' to add details like height restrictions and one-way streets to the transport network layer. |
| 2015 | Ordnance Survey ceased operating as a trading fund. |
| September 2015 | The history of Ordnance Survey was featured in a BBC Four TV documentary called 'A Very British Map: The Ordnance Survey Story'. |
| April 2015 | Completed transition to a government-owned limited company, while remaining fully owned by the UK government. |
| January 22 2015 | Plans were announced to move from a trading fund model to a government-owned limited company. |
| February 2014 | Launched OS Locate, a free mobile app for precise location tracking available on iOS and Android platforms. |
| 2013 | Ordnance Survey released its first official app, OS MapFinder, marking its entry into mobile application development. |
| 2013 | Ordnance Survey introduced an enhanced linked-data service with a SPARQL 1.1-compliant endpoint and bulk-download options. |
| January 2012 | USAF decided to extend the U-2 spy plane's service life instead of retiring it as previously planned. |
| October 4 2011 | Prince Philip officially opened the new headquarters building. |
| February 10 2011 | Virtually all staff had relocated to the new 'Explorer House' building, with the old site sold off and redeveloped. |
| 2010 | Ordnance Survey announced the outsourcing of printing and warehouse operations, ending over 200 years of in-house printing. Butler, Tanner and Dennis (BT&D) secured the printing contract. |
| 2010 | Lockheed Martin began promoting the development of the SR-72, a proposed hypersonic UAV intended as a successor to the retired SR-71 Blackbird. |
| September 2010 | OS MasterMap introduced multiple themed layers including Topography, Integrated Transport Network, Imagery, Address, and Address 2 layers. |
| April 1 2010 | Ordnance Survey launched OS OpenData, releasing data sets under an attribution-only licence compatible with CC-BY. |
This contents of the box above is based on material from the Wikipedia articles Ordnance Survey, DeLorme, GeoTIFF, SELENE, Phase line (cartography) & Aerial reconnaissance, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.