videos:geopolitics
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videos:geopolitics [2025/06/19 05:51] – jhagstrand | videos:geopolitics [2025/07/09 00:26] (current) – [Map Projections] jhagstrand | ||
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observer at the center | observer at the center | ||
- | horizon, a plane 5 km in diameter tangential to the observer | + | * horizon, a plane 5 km in diameter tangential to the observer |
- | zenith - directly over the observer' | + | |
- | celestial meridian - the circle describing the plane containing the observer, the zenith, and North | + | |
+ | |||
+ | Projections chronological | ||
+ | * Orthographic | ||
+ | * Equirectangular | ||
+ | * 1100 Azimuthal Equidistant | ||
+ | * 1569 Mercator | ||
+ | * 1772 Lambert Azimuthal equal-area | ||
+ | * 1805 Albers equal-area conic | ||
+ | * 1885 Gall-Peters | ||
+ | * 1889 Aitoff | ||
+ | * 1898 Van der Grinten | ||
+ | * 1963 Robinson | ||
+ | * 1921 Winkel Tripel | ||
+ | * 1923 Goode Homolosine | ||
+ | * 1954 Fuller Dymaxian Polyhedron | ||
+ | * 1996 Waterman Butterfly | ||
+ | |||
+ | projection sequence | ||
+ | * Equirectangular | ||
+ | * Mercator | ||
+ | * Aitoff | ||
+ | * Fuller | ||
+ | |||
+ | wall chart - the whole globe on one page | ||
+ | * centered on Prime Meridian | ||
+ | * centered on Anti Meridian | ||
+ | * centered on a pole | ||
+ | * add an orthographic with 4 hemispheres | ||
===== geosketch cheatsheet ===== | ===== geosketch cheatsheet ===== |
videos/geopolitics.1750326678.txt.gz · Last modified: 2025/06/19 05:51 by jhagstrand