Portal:Maps

The Maps and Cartography Portal

A map is a symbolic depiction of interrelationships, commonly spatial, between things within a space. A map may be annotated with text and graphics. Like any graphic, a map may be fixed to paper or other durable media, or may be displayed on a transitory medium such as a computer screen. Some maps change interactively. Although maps are commonly used to depict geographic elements, they may represent any space, real or fictional. The subject being mapped may be two-dimensional such as Earth's surface, three-dimensional such as Earth's interior, or from an abstract space of any dimension.

Maps of geographic territory have a very long tradition and have existed from ancient times. The word "map" comes from the medieval Latin: Mappa mundi, wherein mappa meant 'napkin' or 'cloth' and mundi 'of the world'. Thus, "map" became a shortened term referring to a flat representation of Earth's surface. (Full article...)

Cartography (/kɑːrˈtɒɡrəfi/; from Ancient Greek: χάρτης chartēs, 'papyrus, sheet of paper, map'; and γράφειν graphein, 'write') is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an imagined reality) can be modeled in ways that communicate spatial information effectively. (Full article...)

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In mathematics, the polar coordinate system specifies a given point in a plane by using a distance and an angle as its two coordinates. These are

the point's distance from a reference point called the pole, and
the point's direction from the pole relative to the direction of the polar axis, a ray drawn from the pole.

The distance from the pole is called the radial coordinate, radial distance or simply radius, and the angle is called the angular coordinate, polar angle, or azimuth. The pole is analogous to the origin in a Cartesian coordinate system. (Full article...)

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The following are images from various map-related articles on Wikipedia.

Image 1The Winkel tripel projection with Tissot's indicatrix of deformation (from Scale (map))
Image 2A survey of Boston Harbor from Atlantic Neptune. (from History of cartography)
Image 3Modern version of the Roman Tabula Peutingeriana (5th century). (from History of cartography)
Image 4Reconstruction of Pomponius Mela's world map. (from History of cartography)
Image 5A well-composed transit map of Istanbul, with a high degree of contrast between the symbols, creating a strong visual hierarchy (transit lines are and look most important), figure-ground, and selectivity (the green national rail line can be isolated when necessary). Also note the harmonizing subdued tones of green and blue in the background. (from Cartographic design)
Image 63D cartography of Washington State, Mount Rainier National Park, Pinnacle Peak trail. (from Cartographic design)
Image 7A general map of the world by Samuel Dunn, 1794, containing star chart, map of the Solar System, map of the Moon and other features along with Earth's both hemispheres. (from History of cartography)
Image 8The Mercator projection with Tissot's indicatrix of deformation. (The distortion increases without limit at higher latitudes) (from Scale (map))
Image 9The Yu Ji Tu, or Map of the Tracks of Yu Gong, carved into stone in 1137, located in the Stele Forest of Xi'an. This 3 ft (0.91 m) squared map features a graduated scale of 100 li for each rectangular grid. China's coastline and river systems are clearly defined and precisely pinpointed on the map. Yu Gong is in reference to the Chinese deity described in the geographical chapter of the Classic of History, dated 5th century BC. (from History of cartography)
Image 10An early Western Han dynasty (202 BC – 9 AD) silk map found in tomb 3 of Mawangdui Han tombs site, depicting the Kingdom of Changsha and Kingdom of Nanyue in southern China (note: the south direction is oriented at the top, north at the bottom). (from History of cartography)
Image 11The pundit (explorer) cartographer Nain Singh Rawat (19th century) received a Royal Geographical Society gold medal in 1876. (from History of cartography)
Image 12Scale variation for the Lambert (green) and Gall (red) equal area projections. (from Scale (map))
Image 13Map of the Holy Land, Pietro Vesconte, 1321. Described by Adolf Erik Nordenskiöld as "the first non-Ptolemaic map of a definite country". (from History of cartography)
Image 14The first Japanese printed map to depict the world, including Europe and America. Printed by woodblock in 1710, composed by the Buddhist monk Rokashi Hotan. (from History of cartography)
Image 15The Fra Mauro map, a medieval European map, was made around 1450 by the Italian monk Fra Mauro. It is a circular world map drawn on parchment and set in a wooden frame, about two meters in diameter. (from History of cartography)
Image 16Map of Biscayne National Park, Florida, using a variety of point symbols, along with line and area symbols. Note the use of coordinated fill and stroke symbols for the national park area to solve the challenge of a water boundary. (from Cartographic design)
Image 17Charles Joseph Minard's map of Napoleon's Russian campaign of 1812 (1844) has been long recognized as a masterwork of cartographic design at a time when such was difficult and rare. (from Cartographic design)
Image 18World Map by Juan de la Cosa (1500), the first map showing the Americas. (from History of cartography)
Image 19Al-Masudi's world map (10th century) (from History of cartography)
Image 20Surviving fragment of the first World Map of Piri Reis (1513) showing parts of the Americas. (from History of cartography)
Image 21The world according to Herodotus, 440 BC (from History of cartography)
Image 22The Salviati Planisphere, a 1526 version of the Padrón Real provided by Charles V to the cardinal who officiated his wedding to Isabella of Portugal. (from History of cartography)
Image 23"Mapa de los Estados Unidos de Méjico by John Distrunell, the 1847 map used during the negotiations of the Treaty of Guadalupe Hidalgo ending the Mexican–American War. (from History of cartography)
Image 24The equidistant projection with Tissot's indicatrix of deformation (from Scale (map))
Image 25Martin Behaim's Erdapfel (1492) is considered to be the oldest surviving terrestrial globe. (from History of cartography)
Image 26Scale variation near the equator for the tangent (red) and secant (green) Mercator projections. (from Scale (map))
Image 27Infinitesimal elements on the sphere and a normal cylindrical projection (from Scale (map))
Image 28Nautical chart by Pedro Reinel (c. 1504), one of the first based on astronomical observations and to depict a scale of latitudes. (from History of cartography)
Image 29Map of the “Inhabited Quarter” by Sadiq Isfahani from Jaunpur c.1647. This was one of the only surviving Indian made maps. (from History of cartography)
Image 30Possibly the oldest surviving map has been engraved on this mammoth tusk, dated to 25,000 BC, found from Pavlov in the Czech Republic. (from History of cartography)
Image 31A US civil war hachure paper map made in 1867 by Cartographer Nathaniel Michler vs. modern aerial photos over Chancellorsville, Virginia (from History of cartography)
Image 32The Gough Map, a road map of 14th-century Britain (from History of cartography)
Image 33The Da Ming Hun Yi Tu map, dating c. 1390, exists in multicolour format. (from History of cartography)
Image 34A chart of an unidentified area (from History of cartography)
Image 35The Propaganda Map, a 1529 version of the Padrón Real now held by the Vatican Library. (from History of cartography)
Image 36A graphical or bar scale. A map would also usually give its scale numerically ("1:50,000", for instance, means that one cm on the map represents 50,000cm of real space, which is 500 meters) (from Scale (map))
Image 37The Equal Earth projection (2018), an increasingly popular equal-area pseudocylindrical projection for world maps (from Cartographic design)
Image 38The cartographic process (from Cartographic design)
Image 39A chorochromatic map of world land cover, using hue, value, and saturation to differentiate nominal values (from Cartographic design)
Image 40A map of Sikkim, India using shaded relief and hypsometric tints (a form of isarithm) to visualize terrain (from Cartographic design)
Image 41CIA map of Iraq, following typical labeling guidelines to maximize legibility and association (from Cartographic design)
Image 42Clay tablet with map of the Babylonian city of Nippur (c. 1400 BC) (from History of cartography)
Image 43World map Theatrum Orbis Terrarum by Ortelius (1570) (from History of cartography)
Image 44Blaeu's world map, originally prepared by Joan Blaeu for his Atlas Maior, published in the first book of the Atlas Van Loon (1664) (from History of cartography)
Image 45The Mercator 1569 world map (from History of cartography)
Image 46The Tabula Rogeriana, drawn by Muhammad al-Idrisi for Roger II of Sicily in 1154. Note that the north is at the bottom, and so the map appears "upside down" compared to modern cartographic conventions. (from History of cartography)
Image 47Infinitesimal elements on the sphere and a normal cylindrical projection (from Scale (map))
Image 48Illustrated map (from Cartographic design)
Image 49A portrait of a Dutch mapmaker looking up intently from his charts and holding a caliper, 1714. (from History of cartography)
Image 50A bar scale with the nominal scale expressed as "1:600 000", meaning 1 cm on the map corresponds to 600,000 cm=6 km on the ground. (from Scale (map))
Image 51The world according to Hekatæus, 500 BC (from History of cartography)
Image 52Universalis Cosmographia, the Waldseemüller wall map dated 1507, depicts the Americas, Africa, Europe, Asia, and the Pacific Ocean separating Asia from the Americas, by the Italian Amerigo Vespucci. (from History of cartography)
Image 53Lambert's normal cylindrical equal-area projection with Tissot's indicatrix of deformation (from Scale (map))

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“

I wanna hang a map of the world in my house. Then I'm gonna put pins into all the locations that I've traveled to. But first, I'm gonna have to travel to the top two corners of the map so it won't fall down.

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— Mitch Hedberg

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One of Molyneux's celestial globes, which is displayed in Middle Temple Library – from the frontispiece of the Hakluyt Society's 1889 reprint of A Learned Treatise of Globes, both Cœlestiall and Terrestriall, one of the English editions of Robert Hues' Latin work Tractatus de Globis (1594)

Emery Molyneux (/ˈɛməri ˈmɒlɪnoʊ/ EM-ər-ee MOL-in-oh; died June 1598) was an English Elizabethan maker of globes, mathematical instruments and ordnance. His terrestrial and celestial globes, first published in 1592, were the first to be made in England and the first to be made by an Englishman.

Molyneux was known as a mathematician and maker of mathematical instruments such as compasses and hourglasses. He became acquainted with many prominent men of the day, including the writer Richard Hakluyt and the mathematicians Robert Hues and Edward Wright. He also knew the explorers Thomas Cavendish, Francis Drake, Walter Raleigh and John Davis. Davis probably introduced Molyneux to his own patron, the London merchant William Sanderson, who largely financed the construction of the globes. When completed, the globes were presented to Elizabeth I. Larger globes were acquired by royalty, noblemen and academic institutions, while smaller ones were purchased as practical navigation aids for sailors and students. The globes were the first to be made in such a way that they were unaffected by the humidity at sea, and they came into general use on ships. (Full article...)

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Credit: Robert Wilkinson

18th century hand-coloured engraved map of the Iberian Peninsula depicting various topographical features of the land, as published in Robert Wilkinson's General Atlas, circa 1794.

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