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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 is an unfolding of a polyhedral globe with the shape of a truncated octahedron, evoking the butterfly map principle first developed by Bernard J.S. Cahill (1866–1944) in 1909
Waterman butterfly projection: Polyhedral Compromise Steve Waterman: Projects the globe onto a truncated octahedron with symmetrical components and contiguous land masses that may be displayed in various arrangements. 1973 Quadrilateralized spherical cube: Polyhedral Equal-area F. Kenneth Chan, E. M. O'Neill 1943 Dymaxion map: Polyhedral Compromise
In the same work as the hemisphere-in-a-square projection, Adams created maps depicting the entire globe in a rhombus, hexagon, and hexagram. [7] [8] Bernard J. S. Cahill invented the "butterfly map", based on the octahedron, in 1909. This was generalized into the Cahill–Keyes projection in 1975 and the Waterman butterfly projection in 1996.
Polaris Fashion Place is a two level shopping mall and surrounding retail plaza serving Columbus, Ohio, United States.The mall, owned locally by Washington Prime Group, is located off Interstate 71 on Polaris Parkway in Delaware County just to the north of the boundary between Delaware and Franklin County.
Cahill butterfly, conformal version of the projection. 15° graticule, 157°30′E central meridian. From cover of 1919 pamphlet by Cahill, "The Butterfly Map" , 8 p. Bernard Joseph Stanislaus Cahill ( London , January 30, 1866 - Alameda County , October 4, 1944 [ 1 ] [ 2 ] ), American cartographer and architect , was the inventor of the ...
Equal Earth projection; Equal-area projection; G. ... Waterman butterfly projection; Well-known text representation of coordinate reference systems; Winkel I projection;
The octant projection [1] [2] [3] or octants projection, is a type of map projection [4] proposed the first time, in 1508, by Leonardo da Vinci in his Codex Atlanticus. [5] Leonardo's authorship would be demonstrated by Christopher Tyler , who stated "For those projections dated later than 1508, [ 6 ] his drawings should be effectively ...
But meanwhile, Waterman's butterfly projection has been published and in print since 1996, with newer versions being issued. Meanwhile, the completed Waterman maps of 1996 and 2010 are on my wall, adjacent to my outdated 1975 Replogle globe, and outdated Dymaxion maps of 1954, 1967, and 1980 -- which were also evolving and in progress, by the way.