Interrupted Mollweide (Oceanic View)

Classification	Pseudocylindrical
Available forms	Forward and inverse, spherical projection
Defined area	Global
Alias	imoll_o
Domain	2D
Input type	Geodetic coordinates
Output type	Projected coordinates

The Interrupted Mollweide (Oceanic View) projection is an equal-area projection intended for making maps of the Earth's oceans. The projection is comprised of six separate Mollweide (homolographic) projection regions. In contrast with the Interrupted Goode Homolosine (Oceanic View) projection, there is no transition latitude, which gives greater continuity at the cost of greater equatorial distortion. The lobes in this projection are chosen to emphasize the ocean area of the Earth when used with a central longitude of -160 degrees. This projection was first published in 1919 by J. P. Goode [Goode1919].

Parameters

Note

All parameters are optional for the projection. A value of +lon_0=-160 is recommended.

+lon_0=<value>

Central meridian/longitude of natural origin, longitude of origin or longitude of false origin (naming and meaning depend on the projection method).

Defaults to 0.0.

Note

The default convention is to interpret this value as decimal degrees. To specify radians instead, follow the value with the "r" character.

Example: +lon_0=1.570796r

See Projection Units for more information.

+R=<value>

Radius of the sphere, given in meters. If used in conjunction with +ellps, +R takes precedence.

See Ellipsoid size parameters for more information.

+x_0=<value>

False easting, easting at false origin or easting at projection centre (naming and meaning depend on the projection method). Always in meters.

Defaults to 0.0.

+y_0=<value>

False northing, northing at false origin or northing at projection centre (naming and meaning depend on the projection method). Always in meters.

Defaults to 0.0.