map projection

map projection
any systematic method of transforming the spherical representation of parallels, meridians and geographic features of the Earths surface to a nonspherical surface, usually a plane

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  • Map projection — A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy s Geography and using his second map projection A map projection is any method of representing the surface of a sphere or other …   Wikipedia

  • map projection — noun a projection of the globe onto a flat map using a grid of lines of latitude and longitude • Hypernyms: ↑projection • Hyponyms: ↑conformal projection, ↑orthomorphic projection, ↑conic projection, ↑conical projection, ↑ …   Useful english dictionary

  • map projection — /ˈmæp prədʒɛkʃən/ (say map pruhjekshuhn) noun → projection (def. 5) …  

  • map projection —   the system of representing the three dimensional surface of the world into the two dimensional surface of a piece of paper …   Geography glossary

  • transverse Mercator map projection — A conformal cylindrical map projection, which is in principle equivalent to the regular Mercator map projection turned (transversed) 90° in azimuth. In this projection, the central meridian is represented by a straight line, corresponding to the… …   Aviation dictionary

  • cylindrical projections/cylindrical equal-area map projection — A cylindrical map projection onto a cylinder tangent to a sphere, showing the geographic meridians as a family of equal spaced parallel straight lines perpendicular to a second family of parallel straight lines. They represent the geographic… …   Aviation dictionary

  • equal-area map projection — noun a map projection in which quadrilaterals formed by meridians and parallels have an area on the map proportional to their area on the globe • Syn: ↑equal area projection • Hypernyms: ↑map projection • Hyponyms: ↑homolosine projection,… …   Useful english dictionary

  • Lambert conformal conic map projection — A conformal map projection of the so called conical type, on which all geographic meridians are represented by straight lines that meet in a common point outside the limits of the map, and the geographic parallels are represented by a series of… …   Aviation dictionary

  • gnomonic map projection — A perspective map projection on a plane tangent to the surface of a sphere having the point of projection at the center of the sphere. The projection is neither conformal nor equal area. It is the only projection in which great circles on the… …   Aviation dictionary

  • conformal projection/conformal map projection — A map projection on which the shape of any small area of the surface mapped is preserved unchanged, and all angles around any point are correctly represented. The scale, however, varies with the distance from that point. Also called an… …   Aviation dictionary

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