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Pseudocylindrical equal-area map projection
The Eckert IV projection is an equal-area pseudocylindrical map projection. The length of the polar lines is half that of the equator, and lines of longitude
Eckert_IV_projection
Pseudocylindrical equal-area map projection
area. The pair to Eckert VI is the Eckert V projection. List of map projections Eckert II projection Eckert IV projection Snyder, John P.; Voxland, Philip
Eckert_VI_projection
Six pseudocylindrical map projections
The Eckert projections are six pseudocylindrical map projections devised by Max Eckert-Greifendorff, who presented them in 1906. The latitudes are parallel
Eckert_projection
Pseudocylindrical equal-area map projection
The Eckert II projection is an equal-area pseudocylindrical map projection. In the equatorial aspect (where the equator is shown as the horizontal axis)
Eckert_II_projection
Pseudoazimuthal compromise map projection
common Eckert IV projection and Robinson projections. In 1998, the Winkel tripel projection replaced the Robinson projection as the standard projection for
Winkel_tripel_projection
Map projection by Max Eckert-Greifendorff
The Eckert-Greifendorff projection is an equal-area map projection described by Max Eckert-Greifendorff in 1935. Unlike his previous six projections, it
Eckert-Greifendorff projection
Eckert-Greifendorff_projection
Equal-area pseudocylindrical global map projection
combination of Putniņš P4ʹ and Eckert IV projections was used as the basis. Mathematical formulas for the projection were derived from a polynomial used
Equal_Earth_projection
Pseudoazimuthal equal-area map projection
Eckert IV projection is computed. Then, pretending that the Eckert projection is actually a shrunken portion of the Mollweide projection, the Eckert is
Strebe_1995_projection
Type of map projection
eumorphic Collignon Eckert II, IV and VI Equal Earth Goode's homolosine Mollweide Sinusoidal Tobler hyperelliptical Other Eckert-Greifendorff McBryde–Thomas
Equal-area_projection
German geographer
metal trade and distribution, 1913). Eckert II projection Eckert IV projection Eckert VI projection Max Eckert's Kartenwissenschaft—the turning point
Max_Eckert-Greifendorff
Pseudoazimuthal equal-area map projection
the "Nordic" projection. List of map projections Eckert-Greifendorff projection Flattening the Earth: Two Thousand Years of Map Projections, John P. Snyder
Hammer_projection
Conic conformal map projection
A Lambert conformal conic projection (LCC) is a conic map projection used for aeronautical charts, portions of the State Plane Coordinate System, and many
Lambert conformal conic projection
Lambert_conformal_conic_projection
Cylindrical conformal map projection
The Mercator projection (/mərˈkeɪtər/) is a conformal cylindrical map projection first presented by Flemish geographer and mapmaker Gerardus Mercator
Mercator_projection
Particular mapping that projects a sphere onto a plane
stereographic projection is a perspective projection of the sphere, through a specific point on the sphere (the pole or center of projection), onto a plane
Stereographic_projection
Cylindrical equal-area map projection
The Gall–Peters projection is a rectangular, equal-area map projection. Like all equal-area projections, it distorts most shapes. It is a cylindrical
Gall–Peters_projection
Compromise map projection
pp. 239–242. "Van der Grinten IV Projection". "An Album of Map Projections". p. 205. "van der Grinten IV". "Projections by Van der Grinten, and variations"
Van_der_Grinten_projection
Adaptation of the standard Mercator projection
The transverse Mercator map projection (TM, TMP) is an adaptation of the standard Mercator projection. The transverse version is widely used in national
Transverse Mercator projection
Transverse_Mercator_projection
Mercator variant map projection
Pseudo-Mercator, or Google Web Mercator is a variant of the Mercator map projection used for coordinates in WGS 84 Web Mercator or WGS 84 / Pseudo-Mercator
Web_Mercator_projection
Polyhedral compromise map projection
The Dymaxion map projection, also called the Fuller projection, is a kind of polyhedral map projection of the Earth's surface onto the unfolded net of
Dymaxion_map
Systematic representation of the surface of a sphere or ellipsoid onto a plane
These are some projections that preserve area: Albers conic Boggs eumorphic Bonne Bottomley Collignon Cylindrical equal-area Eckert II, IV and VI Equal
Map_projection
Pseudocylindrical equal-area map projection
known as the Babinet projection, homalographic projection, homolographic projection, and elliptical projection. The projection trades accuracy of angle
Mollweide_projection
Azimuthal equidistant map projection
Azimuthal equidistant projection maps The azimuthal equidistant projection is an azimuthal map projection. It has the useful properties that all points
Azimuthal equidistant projection
Azimuthal_equidistant_projection
Pseudocylindrical compromise map projection
The Robinson projection is a map projection of a world map that shows the entire world at once. It was created in an attempt to find a good compromise
Robinson_projection
Conic equal-area map projection
The Albers equal-area conic projection, or Albers projection, is a conic, equal area map projection that uses two standard parallels. Although scale and
Albers_projection
Pseudocylindrical equal-area map projection
Goode homolosine projection (or interrupted Goode homolosine projection) is a pseudocylindrical, equal-area, composite map projection used for world maps
Goode_homolosine_projection
This is a summary of map projections that have articles of their own on Wikipedia or that are otherwise notable. Because there is no limit to the number
List_of_map_projections
Map projection in which every angle between two curves that cross each other is preserved
In cartography, a conformal map projection is one in which every angle between two curves that cross each other on Earth (a sphere or an ellipsoid) is
Conformal_map_projection
Polyhedral compromise map projection
AuthaGraph is an approximately equal-area world map projection invented by Japanese architect Hajime Narukawa in 1999. The map is made by equally dividing
AuthaGraph_projection
Cylindrical equidistant map projection
isographic projection and the plate carrée projection (also called the geographic projection, lat/lon projection, or plane chart), is a simple map projection attributed
Equirectangular_projection
Pseudocylindrical compromise map projection
The Natural Earth projection is a pseudocylindrical map projection designed by Tom Patterson and introduced in 2008. It is neither conformal nor equal-area
Natural_Earth_projection
Azimuthal perspective map projection
Orthographic projection in cartography has been used since antiquity. Like the stereographic projection and gnomonic projection, orthographic projection is a
Orthographic_map_projection
Family of map projections
equal-area projection is a family of normal cylindrical, equal-area map projections. The invention of the Lambert cylindrical equal-area projection is attributed
Cylindrical equal-area projection
Cylindrical_equal-area_projection
Map projection
The oblique Mercator map projection is an adaptation of the standard Mercator projection. The oblique version is sometimes used in national mapping systems
Oblique_Mercator_projection
Pseudocylindrical equal-area map projection
sinusoidal projection is a pseudocylindrical equal-area map projection, sometimes called the Sanson–Flamsteed or the Mercator equal-area projection. Jean Cossin
Sinusoidal_projection
Azimuthal equal-area map projection
The Lambert azimuthal equal-area projection is a particular mapping from a sphere to a disk. It accurately represents area in all regions of the sphere
Lambert azimuthal equal-area projection
Lambert_azimuthal_equal-area_projection
Polyhedral compromise map projection
The Waterman "Butterfly" World Map is a map projection created by Steve Waterman. Waterman first published a map in this arrangement in 1996. The arrangement
Waterman_butterfly_projection
Cylindrical equal-area map projection
cylindrical equal-area projection, or Lambert cylindrical projection, is a cylindrical equal-area projection. This projection is undistorted along the
Lambert cylindrical equal-area projection
Lambert_cylindrical_equal-area_projection
Oblique stereographic map projection
Roussilhe oblique stereographic projection is a mapping projection developed by Henri Roussilhe in 1922. The projection uses a truncated series to approximate
Roussilhe oblique stereographic projection
Roussilhe_oblique_stereographic_projection
Polyhedral compromise map projection
The Cahill–Keyes projection is a polyhedral compromise map projection first proposed by Gene Keyes in 1975. The projection is a refinement of an earlier
Cahill–Keyes_projection
Map projection
hemisphere-in-a-square projection is a conformal map projection for the hemisphere. It is an oblique aspect of the Peirce quincuncial projection. The projection was developed
Guyou hemisphere-in-a-square projection
Guyou_hemisphere-in-a-square_projection
Azimuthal perspective map projection
Perspective projection is a map projection. When the Earth is photographed from space, the camera records the view as a perspective projection. When the
General Perspective projection
General_Perspective_projection
Conformal map projection
The Peirce quincuncial projection is the conformal map projection from the sphere to an unfolded square dihedron, developed by Charles Sanders Peirce in
Peirce_quincuncial_projection
Projection of a sphere through its center onto a plane
A gnomonic projection, also known as a central projection, gnomic projection, or rectilinear projection, is a perspective projection of a sphere, with
Gnomonic_projection
Cylindrical equal-area map projection
The Behrmann projection is a cylindrical equal-area map projection described by Walter Behrmann in 1910. Cylindrical equal-area projections differ by their
Behrmann_projection
Type of conformal map projection
stereographic projection, also known as the planisphere projection or the azimuthal conformal projection, is a conformal map projection whose use dates
Stereographic_map_projection
Characterization of distortion in map projections
Tissot in 1859 and 1871 to characterize local distortions due to map projection. It is the geometry that results from projecting a circle of infinitesimal
Tissot's_indicatrix
Type of map projection
A polyhedral map projection is a map projection based on a spherical polyhedron. Typically, the polyhedron is overlaid on the globe, and each face of the
Polyhedral_map_projection
Method of projecting a sphere to the plane
The Werner projection is a pseudoconic equal-area map projection sometimes called the Stab–Werner or Stabius–Werner projection. Like other heart-shaped
Werner_projection
Class of map projections
projections or to a specific projection known less ambiguously as the American polyconic projection. Polyconic as a class refers to those projections
Polyconic_projection_class
Retroazimuthal map projection
Hammer retroazimuthal projection is a modified azimuthal proposed by Ernst Hermann Heinrich Hammer in 1910. As a retroazimuthal projection, azimuths (directions)
Hammer retroazimuthal projection
Hammer_retroazimuthal_projection
Places where the globe has been split in a map projection
In map projections, an interruption is any place where the globe has been split. All map projections are interrupted at at least one point. Typical world
Interruption_(map_projection)
Cylindrical perspective map projection
The central cylindrical projection is a perspective cylindrical map projection. It corresponds to projecting the Earth's surface onto a cylinder tangent
Central cylindrical projection
Central_cylindrical_projection
Cylindrical compromise map projection
The Gall stereographic projection, presented by James Gall in 1855, is a cylindrical projection. It is neither equal-area nor conformal but instead tries
Gall_stereographic_projection
Pseudocylindrical compromise map projection
The Kavrayskiy VII projection is a map projection invented by Soviet cartographer Vladimir V. Kavrayskiy in 1939 for use as a general-purpose pseudocylindrical
Kavrayskiy_VII_projection
Polyhedral conformal map projection
The Lee conformal world in a tetrahedron is a polyhedral, conformal map projection that projects the globe onto a tetrahedron using Dixon elliptic functions
Lee conformal world in a tetrahedron
Lee_conformal_world_in_a_tetrahedron
Map projection
Space-oblique Mercator projection is a map projection devised in the 1970s for preparing maps from Earth-survey satellite data. It is a generalization
Space-oblique Mercator projection
Space-oblique_Mercator_projection
Cylindrical compromise map projection
The Miller cylindrical projection is a modified Mercator projection, proposed by Osborn Maitland Miller in 1942. The latitude is scaled by a factor of
Miller_cylindrical_projection
Pseudocylindrical equal-area map projection
The Boggs eumorphic projection is a pseudocylindrical, equal-area map projection used for world maps. Normally it is presented with multiple interruptions
Boggs_eumorphic_projection
Cylindrical equal-area map projection
The Hobo–Dyer map projection is a normal cylindrical equal-area projection, with standard parallels (there is no north-south or east-west distortion) at
Hobo–Dyer_projection
Two-point equidistant map projection
The two-point equidistant projection or doubly equidistant projection is a map projection first described by Hans Maurer in 1919 and Charles Close in
Two-point equidistant projection
Two-point_equidistant_projection
Pseudoazimuthal compromise map projection
The Aitoff projection is a modified azimuthal map projection proposed by David A. Aitoff in 1889. Based on the equatorial form of the azimuthal equidistant
Aitoff_projection
Polyhedral compromise map projection
The octant projection or octants projection, is a type of map projection proposed the first time, in 1508, by Leonardo da Vinci in his Codex Atlanticus
Octant_projection
Retroazimuthal conformal map projection
Littrow projection is a map projection developed by Joseph Johann von Littrow in 1833. It is the only conformal, retroazimuthal map projection. As a retroazimuthal
Littrow_projection
Pseudoconical compromise map projection
equal-differential polyconic projection (Chinese: 等差分纬线多圆锥投影) is a polyconic map projection in use since 1963 in mainland China. Maps on this projection are produced
Latitudinally equal-differential polyconic projection
Latitudinally_equal-differential_polyconic_projection
Conformal map projection
hemisphere-in-a-square is a conformal map projection for a hemisphere. It is a transverse version of the Peirce quincuncial projection, and is named after American
Adams hemisphere-in-a-square projection
Adams_hemisphere-in-a-square_projection
Pseudocylindrical equal-area map projection
hyperelliptical projection, now usually known as the Tobler hyperelliptical projection. As with any pseudocylindrical projection, in the projection's normal aspect
Tobler hyperelliptical projection
Tobler_hyperelliptical_projection
Map projection
Bonne projection is a pseudoconical equal-area map projection, sometimes called a dépôt de la guerre, modified Flamsteed, or a Sylvanus projection. Although
Bonne_projection
Map projections devised by Oswald Winkel
Winkel projections use the arithmetic mean of the equirectangular projection and other projections. There are several variants: the Winkel I projection uses
Winkel_projection
Pseudocylindrical equal-area map projection
The Collignon projection is an equal-area pseudocylindrical map projection first known to be published by Édouard Collignon in 1865 and subsequently cited
Collignon_projection
Pseudocylindrical equal-area map projection
algorithm for pixelisation of the 2-sphere and the associated class of map projections. The pixelisation algorithm was devised in 1997 by Krzysztof M. Górski
HEALPix
Polyhedral equal-area map projection
spherical cube, or quad sphere for short, is an equal-area polyhedral map projection and discrete global grid scheme for data collected on a spherical surface
Quadrilateralized spherical cube
Quadrilateralized_spherical_cube
Cylindrical equidistant map projection
The Cassini projection (also sometimes known as the Cassini–Soldner projection or Soldner projection) is a map projection first described in an approximate
Cassini_projection
Map projection
isographic projection is a specific instance of equirectangular projection such that its standard parallels are north and south 45°. The projection is named
Gall_isographic_projection
Retroazimuthal compromise map projection
retroazimuthal map projection was created by James Ireland Craig in 1909. It is a modified cylindrical projection. As a retroazimuthal projection, it preserves
Craig retroazimuthal projection
Craig_retroazimuthal_projection
The Chamberlin trimetric projection is a map projection where three points are fixed on the globe and the points on the sphere are mapped onto a plane
Chamberlin trimetric projection
Chamberlin_trimetric_projection
Map possibly by Leonardo da Vinci c. 1514
map is the name assigned to a unique world map drawn using the "octant projection" and found loosely inserted among a Codex of Leonardo da Vinci preserved
Leonardo's_world_map
World map projection
The Nicolosi globular projection is a polyconic map projection invented about the year 1000 by the Muslim Persian polymath al-Biruni. As a circular representation
Nicolosi_globular_projection
Equal-area polyhedral map projection
Snyder equal-area projection is a polyhedral map projection used in the ISEA (Icosahedral Snyder Equal Area) discrete global grids. It is named for John
Snyder_equal-area_projection
Pseudocylindrical compromise map projection
is a pseudocylindrical whole Earth map projection. Like the Robinson projection, it is a compromise projection, not having any special attributes other
Wagner_VI_projection
The Wiechel projection is an pseudoazimuthal, equal-area map projection, and a novelty map presented by William H. Wiechel in 1879. When centered on the
Wiechel_projection
Pseudocylindrical compromise map projection
In cartography, the loximuthal projection is a map projection introduced by Karl Siemon in 1935, and independently in 1966 by Waldo R. Tobler, who named
Loximuthal_projection
Conic equidistant map projection
The equidistant conic projection is a conic map projection commonly used for maps of small countries as well as for larger regions such as the continental
Equidistant_conic_projection
Map projection historically used for maps of the United States
the cartography of the United States, the American polyconic projection is a map projection used for maps of the United States and its regions beginning
American_polyconic_projection
Pseudoconical equal-area map projection
The Bottomley map projection is a pseudoconical equal area map projection defined as: x = ρ sin E sin φ 1 , y = π 2 − ρ cos E {\displaystyle x={\frac
Bottomley_projection
Pseudocylindrical compromise map projection
The Ortelius oval projection is a map projection used for world maps largely in the late 16th and early 17th century. It is neither conformal nor equal-area
Ortelius_oval_projection
Inventor of the butterfly projection map
Keyes in 1975, the Cahill–Keyes projection. World map Waterman butterfly projection Octants projection Cahill–Keyes projection "Cahill, B. J. S. (Bernard J
Bernard_J._S._Cahill
Geographic coordinate specifying north-south position
possible for the Sun to be directly overhead (at the zenith). On map projections there is no universal rule as to how meridians and parallels should appear
Latitude
Pseudoconical compromise map projection
The rectangular polyconic projection is a map projection was first mentioned in 1853 by the United States Coast Survey, where it was developed and used
Rectangular polyconic projection
Rectangular_polyconic_projection
Compromise map projection
The armadillo projection is a map projection used for world maps. It is neither conformal nor equal-area but instead affords a view evoking a perspective
Armadillo_projection
East-West geographic coordinate
The geometry of the ellipsoid". The Mercator Projections: The Normal and Transverse Mercator Projections on the Sphere and the Ellipsoid with Full Derivations
Longitude
reference systems (CRS) lists map projections officially recommended for existing countries. Given that every projection gives deformations, each country's
List of national coordinate reference systems
List_of_national_coordinate_reference_systems
Parameter defined by the axis of the geomagnetic dipole
Mercator Web Mercator Pseudocylindrical Equal-area Collignon Eckert II Eckert IV Eckert VI Equal Earth Goode homolosine Mollweide Sinusoidal Tobler hyperelliptical
Geomagnetic_latitude
Urban legend based on a region in North Atlantic
April 1962 issue of The American Legion Magazine. In it, author Allan W. Eckert wrote that the flight leader had been heard saying, "We cannot be sure of
Bermuda_Triangle
Integer side lengths of a right triangle
(PDF), Math. Centrum Amsterdam Afd. Zuivere Wisk. (in Dutch), ZW-011: 37 Eckert, Ernest (1992), "Primitive Pythagorean triples", The College Mathematics
Pythagorean_triple
inventor of the Craig retroazimuthal projection, otherwise known as the Mecca projection Carl Diercke (1842–1913) Max Eckert-Greifendorff (Germany, 1868–1938)
List_of_cartographers
Office skyscraper in Manhattan, New York
jumps. Only one person has jumped from the upper observatory: Frederick Eckert of Astoria, Queens, who ran past a guard in the enclosed 102nd-floor gallery
Empire_State_Building
Hungarian and American mathematician and physicist (1903–1957)
Neumann architecture, the architecture was based on the work of J. Presper Eckert and John Mauchly, inventors of ENIAC and its successor, EDVAC. While consulting
John_von_Neumann
Protein found in humans
4103/1673-5374.139475. PMC 4192966. PMID 25317166. Schmitt K, Holsboer-Trachsler E, Eckert A (13 January 2016). "BDNF in sleep, insomnia, and sleep deprivation". Annals
Brain-derived neurotrophic factor
Brain-derived_neurotrophic_factor
President of France since 2017
Marche including Manuel Valls, Michel Sapin, Axelle Lemaire and Christian Eckert. In June 2016, support for Macron and his movement, En Marche, began to
Emmanuel_Macron
Hypothetical invisible cosmic material
R; Choi, A; Cordero, J; Davis, C; DeRose, J; Doux, C; Drlica-Wagner, A; Eckert, K; Elsner, F; Elvin-Poole, J; Everett, S; Ferté, A; Giannini, G; Gruen
Dark_matter
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