Directory of Map Projections

What is a projection?

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Cabot

Parameters: Cabot 1544 Map:

Classifications

pseudocylindric

Graticule

Meridians: Elliptic curves.
Parallels: Equally spaced straight parallel lines, with spacing greater than earth’s reality. Perpendicular to the central meridian.
Poles: Points.
Symmetry: About the central meridian and the equator.

Distortion

Undistorted nowhere. Neither areal inflation nor angular deformation dominate.

Parameters

One enumeration to select which ratio to use for height to width: 3:4 as inferred, or measurements as given in Shirley’s The Mapping of the World.

Similar projections

Winkel II has similar parallel spacing and similar meridional curves, but its pole lines are longer.

Origin

Appears in the 1544 map by Sebastian Cabot.

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