Hammer projection
Proyección de Hammer
- Date
- 1892 · confidence high
- Place
- Stuttgart, Baden-Württemberg, Germany
- Credited to
- Ernst Hammer
- Field
- Cosmos & Earth
What it is
An equal-area map projection with the same 2:1 elliptical shape as Mollweide's, described by Ernst Hammer in 1892 to reduce the extreme distortion Mollweide's shows at the outer meridians.
What it led to
- Basis for later projections such as the reversed Aitoff-Hammer
- Use in thematic equal-area world maps
- Influence on the development of 20th-century compromise projections