datum coordinate
1Datum reference — are a concept used in carpentry, metalworking, needlework, Geometric dimensioning and tolerancing (GD T) and similar activities. In carpentry, an alternative, more common name is face side and face edge . The artisan nominates two straight edges… …
2Datum (geodesy) — Geodesy Fundamentals Geodesy · …
3Geographic coordinate system — Map of Earth showing lines of latitude (horizontally) and longitude (vertically), Eckert VI projection; large version (pdf, 3.12MB) …
4State Plane Coordinate System — The State Plane Coordinate System (SPS or SPCS) is a set of 126 geographic zones or coordinate systems designed for specific regions of the United States. Each state contains one or more state plane zones, the boundaries of which usually follow… …
5Swiss coordinate system — The Swiss coordinate system (or Swiss grid) is a geographic coordinate system used in Switzerland for maps and surveying by the Swiss Federal Office of Topography (Swisstopo).The map projection used is Oblique Mercator on an 1841 Bessel ellipsoid …
6Geodesy — (pronEng|dʒiːˈɒdɪsi [OED] ), also called geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three dimensional time varying… …
7Geodetic system — For other uses, see Geodetic. Geodesy Fundamentals …
8Ordnance Survey National Grid — For the electricity network, see National Grid (Great Britain). Geodesy Fundamentals …
9Vector space — This article is about linear (vector) spaces. For the structure in incidence geometry, see Linear space (geometry). Vector addition and scalar multiplication: a vector v (blue) is added to another vector w (red, upper illustration). Below, w is… …
10British national grid reference system — The British national grid reference system is a system of geographic grid references commonly used in Great Britain, different from using latitude and longitude.The Ordnance Survey (OS) devised the national grid reference system, and it is… …
