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The Adams hemisphere-in-a-square is a conformal
The Adams hemisphere-in-a-square is a conformal map projection
In cartography, a map projection is any of a broad set of Transformation (function) , transformations employed to represent the curved two-dimensional Surface (mathematics), surface of a globe on a Plane (mathematics), plane. In a map projection, ...
for a hemisphere. It is a transverse version of the Peirce quincuncial projection
The Peirce quincuncial projection is the conformal map projection from the sphere to an unfolded square dihedron, developed by Charles Sanders Peirce in 1879. Each octant (solid geometry), octant projects onto an Special right triangle#45-45-90 ...
, and is named after American cartographer Oscar S. Adams, who published it in 1925.. When it is used to represent the entire sphere it is known as the Adams doubly periodic projection. Like many conformal projections, conformality fails at certain points, in this case at the four corners.
See also
*List of map projections
This is a summary of map projections that have articles of their own on Wikipedia or that are otherwise WP:NOTABLE, notable. Because there is no limit to the number of possible map projections,
there can be no comprehensive list.
Table of proj ...
* Guyou hemisphere-in-a-square projection
* Doubly periodic function In mathematics, a doubly periodic function is a function defined on the complex plane and having two "periods", which are complex numbers ''u'' and ''v'' that are linearly independent as vectors over the field of real numbers. That ''u'' and ''v'' ...
References
Conformal projections {{geometry-stub