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What is Map Projection? Map Projection is a critical aspect of the Geographic Information System (GIS) and Cartography. Put simply, map projections aim to turn the 3-dimensional globe, i.e., the Earth, into a 2-dimensional plane, i.e., a map.
1 Μαρ 2023 · A map projection refers to any of the numerous techniques employed in cartography to depict the three-dimensional surface of the Earth or other spherical objects on a two-dimensional plane. While these map projection methods often involve mathematical calculations, some also rely on graphical approaches.
In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane. [1][2][3] In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane. [4][5] Projection is...
Map projection is the method of representing the curved surface of the Earth on a flat map. This process involves systematic transformations that allow geographers to depict various geographic features, distances, and areas while attempting to minimize distortion.
A projection of a map of the world onto an ellipse, with lines of latitude represented by straight lines (spaced more closely toward the poles) and meridians represented by equally spaced elliptical curves. This projection distorts shape but preserves relative area.
Map projections can be categorized into three main types: conformal (preserving shape), equal-area (preserving area), and equidistant (preserving distance). Understanding the characteristics and limitations of different map projections is crucial for accurate analysis in geography and related fields.
Map projections are logical and methodical transformations that permit the orderly representation of the Earth’s spherical graticule on a flat map. Mathematically speaking, map projections are transformations of geographic co-ordinates (latitude, longitude) into the Cartesian (x, y) co-ordinate space of the map.
