List of map projections in common use see also summary tableson the usgs map projections page more examples of map projections are given through the following links. Description originally created to display accurate compass bearings for sea travel an additional feature of this projection is that all local shapes are accurate. Because the earth is roughly spherical, every flat map distorts our planet one way or another the most popular version is the mercator projection, created. A cylindrical map projection in which the meridians and parallels appear as lines crossing at right angles and in which areas appear greater farther from the equator. Postgis / sql the srid 900913 is commonly used for our projection but is not formally assigned it is not included in the default projections supplied with postgis. Gerardus mercator (1512-1594) frontispiece to mercator's atlas sive cosmographicae, 1585-1595 courtesy of the library of congress, rare book division, lessing j. A district will drop the distorted mercator projection, which places imperialist europe at the center of the world, for the peters, a fairer guide to the globe.
What is the difference between the peters projection and the mercator map, and why are they so hotly debated among geographers and map makers. The mercator projection is a map projection that was widely used for navigation since loxodromes are straight lines (although great circles are curved) the following. The mercator projection is a cylindrical map projection presented by the flemish geographer and cartographer gerardus mercator in 1569 it became the standard map. Definition of mercator projection - a projection of a map of the world on to a cylinder in such a way that all the parallels of latitude have the same length as the e. An interactive playground to explore the extreme distortions of the mercator projection set any point on earth as the new north pole warp the map in real-time see.
Figure 2221 a mercator projection of the world, showing the 60 utm coordinate system zones, each divided into north and south halves at the equator. Every map starts with the same lie: the earth is flat the globe isn’t a portable, affordable, or even satisfying way to look at the world, so these exaggerations. The mercator projection well, this projection is one you have doubtless seen many times i even remember a small atlas, with a red plaid cover, that my mother. It turns out monday was steve waterman's birthday his site has posters of his map, plus maybe the world's only winkel tripel-critiquing poetry.
Hammer is an equal-area projection the only point free of distortion is the centre point, though distortion of shape is moderate throughout central meridian (pole. The mercator projection is a a cylindrical map projection that represents lines of constant true bearing as straight line segments. Define mercator projection: a conformal map projection of which the meridians are usually drawn parallel to each other and the parallels of latitude. The modern explanation of mercator's projection uses logarithms and calculus, but mercator came up with his projection before either had been discovered.
Most people go through life perfectly happy in the knowledge that the real earth looks like it does on a standard mercator projection map cartographers, map nerds. Direction - angles of direction are portrayed accurately a very famous projection is the mercator map geradus mercator invented his famous projection in 1569 as an.
Mercator puzzle ¶ redux — by bramus drag the shapes to their correct location if you don't know the position of a country, double click it to let the computer. Gerardus mercator: gerardus mercator, flemish cartographer whose most important innovation was a map, embodying what was later known as the mercator projection, on. Universal transverse mercator (utm) projection start with a sphere or ellipsoid because that is the true form of the earth peel it like an orange evenly into sixty.
- Oblique mercator an oblique cylindrical projection that is conformal but not equal area the oblique mercator for the sphere is equivalent to a regular mercator.
- Although the mercator projection significantly distorts scale and area (particularly near the poles), it has two important properties that outweigh the scale distortion.
- The mercator projection was invented by gerardus mercator, a flemish mapmaker his name is a latinized version of gerhard kramer this is his famous world map of 1569.
- The mercator projection was one of the first important maps created by europeans it was produced by gerard mercator, a flemish mapmaker who lent his name to his.
Introduction map projections are attempts to portray the surface of the earth or a portion of the earth on a flat surface some distortions of. Mercator projection definition, a conformal projection on which any rhumb line is represented as a straight line, used chiefly in navigation, though the scale varies.