Equal Earth

Classification: Pseudo cylindrical

Available forms: Forward and inverse, spherical and ellipsoidal projection

Defined area: Global

Alias: eqearth

Domain: 2D

Input type: Geodetic coordinates

Output type: Projected coordinates

Projection String

+proj=eqearth
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Usage

The Equal Earth projection is designed for world maps and retains the relative size of areas. It was inspired by the Robinson projection.

Example:

$ echo 122 47 | proj +proj=eqearth +R=1
1.55    0.89
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Parameters

Note: All parameters for this projection are optional.

Optional

• +lon_0 (Central meridian)
• +ellps (Ellipsoid name)
• +R (Radius of the sphere)
• +x_0 (False easting)
• +y_0 (False northing)

Further Reading

• The Equal Earth map projection by Bojan Savric, Tom Patterson & Bernhard Jenny (2018)