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The Universal Transverse Mercator (UTM) is a map projection system for assigning coordinates to locations on the surface of the Earth. Like the traditional method of latitude and longitude , it is a horizontal position representation , which means it ignores altitude and treats the earth surface as a perfect ellipsoid .
A or x-scale; dimension of a pixel in map units in x-direction B, D are rotation terms C, F are translation terms: x, y map coordinates of the center of the upper-left pixel E is negative of y-scale: dimension of a pixel in map units in y-direction. The y-scale (E) is negative because the origins of an image and the UTM coordinate system are ...
A projected coordinate system – also called a projected coordinate reference system, planar coordinate system, or grid reference system – is a type of spatial reference system that represents locations on Earth using Cartesian coordinates (x, y) on a planar surface created by a particular map projection. [1]
This Gauss–Krüger system is similar to the universal transverse Mercator system, but the central meridians of the Gauss–Krüger zones are only 3° apart, as opposed to 6° in UTM. The projection is conformal with a constant scale on the central meridian.
Large-scale DLGs are usually cast on the Universal Transverse Mercator coordinate system (UTM), but are sometimes cast on the State Plane rectangular coordinate system. Intermediate-scale DLGs are sold in 30- by 30-minute sections that correspond to the east or west half of the 100K quadrangle map, and each of the 30-minute sections is ...
The Universal Transverse Mercator coordinate system consists of 60 zones, each of which is defined by a unique point of origin, false easting, and Transverse Mercator projection centered over a specific central meridian with a scale factor of 0.9996 The UTM coordinate system (which is the subject of this article) is a system by which locations ...
UTM zones on an equirectangular world map with irregular zones in red and New York City's zone highlighted. The first part of an MGRS coordinate is the grid-zone designation. The 6° wide UTM zones, numbered 1–60, are intersected by latitude bands that are normally 8° high, lettered C–X (omitting I and O).
This implementation is of great importance since it is widely used in the U.S. State Plane Coordinate System, [5] in national (Great Britain, [6] Ireland [7] and many others) and also international [8] mapping systems, including the Universal Transverse Mercator coordinate system (UTM).