Rectangular polyconic projection: Difference between revisions

Revision as of 01:48, 16 January 2018

Revision as of 01:48, 16 January 2018

Line 1:

{{refimprove|date=January 2018}}

[[File:Rectangular polyconic projection SW.jpg|300px|thumb|Rectangular polyconic projection of the world, with correct scale along the equator.]]

The '''rectangular polyconic''' projection is a [[map projection]] was first mentioned in 1853 by the [[U.S. Coast Survey]], where it was developed and used for portions of the U.S. exceeding about one square degree. It belongs to the [[polyconic projection class]], which consists of map projections whose parallels are non-concentric circular arcs except for the equator, which is straight. Sometimes the rectangular polyconic is called the '''War Office''' projection due to its use by the British [[War Office]] for topographic maps.<ref name = "Flattening">