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The Gall–Peters projection of the world map. The Gall–Peters projection is a rectangular, equal-area map projection. Like all equal-area projections, it distorts most shapes. It is a cylindrical equal-area projection with latitudes 45° north and south as the regions on the map that have no distortion.
Gall–Peters = Gall orthographic = Peters: Cylindrical Equal-area James Gall (Arno Peters) Cylindrical equal-area projection with standard parallels at 45°N/S and an aspect ratio of π/2 ≈ 1.571. Similar is Balthasart with standard parallels at 50°N/S and Tobler’s world in a square with standard parallels around 55.66°N/S.
Gall–Peters = Gall orthographic = Peters James Gall, Promoted by Arno Peters as his own invention 1855 (Gall), 1967 (Peters) cos 2 (50°) ≈ 0.4132 π ·cos 2 (50°) ≈ 1.298 50° Balthasart M. Balthasart 1935 1 / π ≈ 0.3183 1 ≈ 55°39 ′ 14″ ≈ 55.6540° Tobler's world in a square
The Gall–Peters projection of the world map Carrubbers Close Mission Moray Free Church, Holyrood Road, Edinburgh James Gall's grave, Grange Cemetery. James Gall (27 September 1808 – 7 February 1895) was a Scottish clergyman who founded the Carrubbers Close Mission. [1] He was also a cartographer, publisher, sculptor, astronomer and author.
Arno Peters (22 May 1916 – 2 December 2002) was a German historian who developed the Peters world map, based on the Gall–Peters projection. Biography [ edit ]
This projection has many named specializations differing only in the scaling constant, such as the Gall–Peters or Gall orthographic (undistorted at the 45° parallels), Behrmann (undistorted at the 30° parallels), and Lambert cylindrical equal-area (undistorted at the equator). Since this projection scales north-south distances by the ...
Others have created alternative projections over the years that tried to do better justice to the Earth’s geographical scale. In recent years, many have advocated for the Gall-Peters projection, which depicts the size of each continent more accurately — but creates more unfamiliar shapes: Credit: Strebe / Wikimedia Commons
Gall stereographic projection of the world. 15° graticule. Gall stereographic projection with 1,000 km indicatrices of distortion. The Gall stereographic projection, presented by James Gall in 1855, is a cylindrical projection. It is neither equal-area nor conformal but instead tries to balance the distortion inherent in any projection.