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Bonne - Projection Map Projection sample-map
graphic16.10.2025
graphic

Pseudoconic, Equal Area
Developed by the French cartographer and mathematician Rigobert Bonne, he developed this heart- shaped projection of the entire Earth in 1752.
Usage
Formula
References
Usage
Bonne Projection used in Switzerland Switzerland
graphic
Bonne projection as used in Switzerland for the Dufour Map and the Siegfried Map
related information
CH1840 - Bonne Projection
Formula Formula
[Snyder 1987, p. 138graphic], [Kuntz 1990, p. 151fgraphic]
References
related information
Bottomley 2003: Between the Sinusoidal projection and the Werner: an alternative to the Bonne.
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