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OpenStreetMap (abbreviated OSM) is a free, open map database updated and maintained by a community of volunteers via open collaboration. [4] Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources.
Some of the free software mentioned here does not have detailed maps (or maps at all) or the ability to follow streets or type in street names (no geocoding). However, in many cases, it is also that which makes the program free (and sometimes open source [ 1 ] ), avoid the need of an Internet connection, [ 2 ] [ 3 ] [ 4 ] and make it very ...
In general, neither Ireland nor Great Britain uses latitude or longitude in describing internal geographic locations. Instead grid reference systems are used for mapping.. The national grid referencing system was devised by the Ordnance Survey, and is heavily used in their survey data, and in maps (whether published by the Ordnance Survey of Ireland, the Ordnance Survey of Northern Ireland or ...
The boundaries on these maps always show the de facto situation and do not imply any endorsement or acceptance. In case of changes of the shown area the file is updated. The old version will be uploaded as a new file and thus is still available. Date: 18 September 2014: Source: Own work using: United States National Imagery and Mapping Agency data
The Open Location Code (OLC) is a geocode based on a system of regular grids for identifying an area anywhere on the Earth. [1] It was developed at Google's Zürich engineering office, [2] and released late October 2014. [3] Location codes created by the OLC system are referred to as "plus codes".
English: The island of Ireland, showing international border between Ireland and Northern Ireland, traditional provinces, traditional counties, and local authority areas in Ireland and Northern Ireland.
Ptolemy's map of Ireland This page was last edited on 25 October 2019, at 20:39 (UTC). Text is available under the Creative Commons Attribution ...
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