A compromise projection developed in 1889 for use with world maps.
Modified azimuthal. Meridians are equally spaced and concave toward the central meridian. The central meridian is a straight line and half the length of the equator. Parallels are equally spaced curves, concave toward the poles.
The equator and the central meridian.
Distortion is moderate.
The equator and central meridian are at true scale.
Neither conformal nor equal area. Useful only for world maps.
- False Easting
- False Northing
- Central Meridian
- Radius of the sphere of reference
- Longitude of Central Meridian
- False Easting (meters)
- False Northing (meters)