Winkel tripel projection

Winkel tripel projection of the world, 15° graticule
The Winkel tripel projection with Tissot's indicatrix of deformation
The Winkel tripel projection with Tissot's indicatrix of deformation

The Winkel tripel projection (Winkel III), a modified azimuthal[1] map projection of the world, is one of three projections proposed by German cartographer Oswald Winkel (7 January 1874 – 18 July 1953) in 1921. The projection is the arithmetic mean of the equirectangular projection and the Aitoff projection:[2] The name tripel (German for 'triple') refers to Winkel's goal of minimizing three kinds of distortion: area, direction, and distance.[3]

  1. ^ Snyder, John P. (1989). An album of map projections. USGS Professional Paper 1453. Washington, D.C.: Government Printing Office. p. 164.
  2. ^ Cite error: The named reference Snyder was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference winkel.org was invoked but never defined (see the help page).

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