For the smallest choices of the parameters chosen for this projection, the sphere may be mapped either to a single diamond, a pair of squares, or a triangle. The projection is used in the polar areas as part of the HEALPix spherical projection, which is widely used in physical cosmology in making maps of the cosmic microwave background, in particular by the WMAP and Planck space missions.
- Pseudocylindrical Projections: Collignon Projection, Carlos A. Furuti
- Projection COLLIGNON à méridiens et parallèles rectilignes, Manuel Luque, Giuseppe Matarazzo
- An interactive Java Applet to study the metric deformations of the Collignon Projection.
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