Eckert IV Projection

sc_projections_eckertiv.png

 

A pseudocylindrical, equal area projection.

 

Scale

 

True along latitudes 40°30’ North and South.

 

Scale is constant along any given latitude and the same for the latitude of opposite sign.

 

Distortion

 

Free of distortion only at latitudes 40°30’ North and South at the central meridian.

 

Usage

 

Thematic and other world maps in numerous atlases and textbooks and for sheet maps.

 

Origin

 

Presented by Max Eckert (1868-1938) of Germany in 1906.

 

Options

 

Specify the center longitude parameter to center the map projection.