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单词 Cassini projection
释义

Cassini projection

英语百科

Cassini projection

Cassini projection of the world
Cassini projection of the world modeled as a highly oblated ellipsoid with flattening 1:2 (= eccentricy √3⁄2)

The Cassini projection is a map projection described by César-François Cassini de Thury in 1745. It is the transverse aspect of the equirectangular projection, in that the globe is first rotated so the central meridian becomes the "equator", and then the normal equirectangular projection is applied. Considering the earth as a sphere, the projection is composed of these operations:

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