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A family of map projections that includes as special cases Mollweide projection, Collignon projection, and the various cylindrical equal-area projections. 1932 Wagner VI: Pseudocylindrical Compromise K. H. Wagner: Equivalent to Kavrayskiy VII vertically compressed by a factor of /. c. 1865: Collignon
Def. "Pseudo-cylindrical projections" are result of efforts to minimize the distortion of the polar regions of the cylindrical projections by bending the meridians toward the center of the map as a funtion of longitude while maintaining the cylindrical characteristic of parallel parallels. Pseudo-cyl-projections; Computations & Sources
Mollweide projection of the world The Mollweide projection with Tissot's indicatrix of deformation. The Mollweide projection is an equal-area, pseudocylindrical map projection generally used for maps of the world or celestial sphere. It is also known as the Babinet projection, homalographic projection, homolographic projection, and elliptical ...
Tobler hyperelliptical projection of the world; α = 0, γ = 1.18314, k = 2.5 The Tobler hyperelliptical projection with Tissot's indicatrix of deformation; α = 0, k = 3 The Tobler hyperelliptical projection is a family of equal-area pseudocylindrical projections that may be used for world maps .
Robinson projection of the world The Robinson projection with Tissot's indicatrix of deformation Map of the world created by the Central Intelligence Agency, with standard parallels 38°N and 38°S. The Robinson projection is a map projection of a world map that shows the entire world at once. It was specifically created in an attempt to find a ...
The Collignon projection is an equal-area pseudocylindrical map projection first known to be published by Édouard Collignon in 1865 and subsequently cited by A. Tissot in 1881. 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.
Eckert IV projection of the world. Eckert IV projection with Tissot's indicatrices of distortion. The Eckert IV projection is an equal-area pseudocylindrical map projection. The length of the polar lines is half that of the equator, and lines of longitude are semiellipses, or portions of ellipses. It was first described by Max Eckert in 1906 as ...
{{Map projections | state = expanded}} will show the template expanded, i.e. fully visible. {{Map projections | state = autocollapse}} will show the template autocollapsed, i.e. if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar, but if not, it is ...