Wagner III

Parameters: Standard parallel

Classifications

pseudocylindric

Graticule

Meridians: Central meridian is a straight line half as long as the equator. Other meridians are equally spaced portions of sinusoids concave toward the central meridian.
Parallels: Equally spaced straight parallel lines. Perpendicular to the central meridian.
Poles: Lines half as long as the equator.
Symmetry: About the central meridian or the equator.

Scale

Constant along any given latitude; same for the latitude of opposite sign.

Distortion

Free of distortion at 30°N/S on the central meridian. Distortion is generally low in the band along the equator and along the central meridian up to mid latitudes. Remaining distortion is largely in the form of angular deformation.

Similar projections

Wagner I is equal-area and is scaled slightly smaller.
Eckert V is very close but scaled slightly smaller.
Putniṇš P3´ has parabolic meridians, parallels with constant spacing, and is scaled slightly larger.

Origin

Presented by Karlheinz Wagner of Germany in 1932.

Description ©2010–2020 Mapthematics LLC.