Winkel Tripel

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The Winkel Tripel projection is a modified azimuthal map projection created by Oswald Winkel in 1921. It is currently widely used for world maps, replacing the Robinson projection as the preferred projection used by world map publishers such as the National Geographic Society. The Winkel Tripel projection is calculated based on a spheroid, rather than an ellipsoid.

The projection is neither conformal nor equal-area. Scales are constant only along the Equator and true along the central meridian. Parallels are curved except at for the equator and the poles. The distortion of area and size is moderate, but increases toward the poles.

Winkel Tripel world map projection

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