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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".
Use of standard codes facilitates the interchange of machine-readable data from agency to agency within the federal community and between federal offices and state and local groups. These codes are also used by some companies as a coding standard as well, especially those that must deal with federal, state and local governments for such things ...
There are also mixed systems, using a syntactical partition, where for example the first part (code prefix) is a name-code and the other part (code suffix) is a grid-code. Example: Mapcode entrance to the elevator of the Eiffel Tower in Paris is FR-4J.Q2, where FR is the name-code [9] and 4J.Q2 is the grid-code. Semantically France is the ...
For example, a country or zip code, or matching street addresses to building point reference data. This kind of match is similar to a relational table join , except that geocoder algorithms usually incorporate some kind of uncertainty handling to recognize approximate matches (e.g., different capitalization or slight misspellings).
A geocode is a geographical code to identify a point or area at the surface of the earth. Subcategories This category has the following 14 subcategories, out of 14 total.
Geopositioning can be referred to both global positioning and outdoor positioning, using for example GPS, and to indoor positioning, for all the situations where satellite GPS is not a viable option and the localization process has to happen indoors. For indoor positioning, tracking and localization there are many technologies that can be used ...
These codes are given in the official document [4] which has separate columns for national codes (civilian), national codes (military & state), and some also have "international" codes; only the latter correspond to ICAO codes. For example, Magadan Sokol Airport is listed with the national civilian code УХММ, the national military code ...
The most important property of Geohash for humans is that it preserves spatial hierarchy in the code prefixes. For example, in the "1 Geohash digit grid" illustration of 32 rectangles, above, the spatial region of the code e (rectangle of greyish blue circle at position 4,3) is preserved with prefix e in the "2 digit grid" of 1024 rectangles ...