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2. Waterman butterfly projection - Wikipedia

   en.wikipedia.org/wiki/Waterman_butterfly_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 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

3. List of map projections - Wikipedia

   en.wikipedia.org/wiki/List_of_map_projections

   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

4. File:Waterman Butterfly with Tissot's Indicatrices of ...

   en.wikipedia.org/wiki/File:Waterman_Butterfly...

   Waterman Butterfly map of the world – coastlines, graticule, and indicatrices: Image title: A map of the world, showing all landmasses with 10° graticule and Tissot's indicatrices of diameter 1,000 km and spacing 30°. Coastlines precise to 110 km. Width: 1600: Height: 897.998

5. Polyhedral map projection - Wikipedia

   en.wikipedia.org/wiki/Polyhedral_map_projection

   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.

6. Bernard J. S. Cahill - Wikipedia

   en.wikipedia.org/wiki/Bernard_J._S._Cahill

   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 ...

7. Tissot's indicatrix - Wikipedia

   en.wikipedia.org/wiki/Tissot's_indicatrix

   The Behrmann projection with Tissot's indicatrices The Mercator projection with Tissot's indicatrices. In cartography, a Tissot's indicatrix (Tissot indicatrix, Tissot's ellipse, Tissot ellipse, ellipse of distortion) (plural: "Tissot's indicatrices") is a mathematical contrivance presented by French mathematician Nicolas Auguste Tissot in 1859 and 1871 in order to characterize local ...

8. Equirectangular projection - Wikipedia

   en.wikipedia.org/wiki/Equirectangular_projection

   Equirectangular projection of the world; the standard parallel is the equator (plate carrée projection). Equirectangular projection with Tissot's indicatrix of deformation and with the standard parallels lying on the equator True-colour satellite image of Earth in equirectangular projection Height map of planet Earth at 2km per pixel, including oceanic bathymetry information, normalized as 8 ...

9. Interruption (map projection) - Wikipedia

   en.wikipedia.org/wiki/Interruption_(map_projection)

   The Cahill butterfly projection divides the world into octahedral sections. [3] More generally, any mapping onto polyhedral faces becomes an interrupted map when laid flat. Buckminster Fuller proposed his "dymaxion" map in 1943, using a modified icosahedral interruption scheme to divide the oceans up in a way that shows the continents in a ...