van der Grinten IV

Classification

Miscellaneous

Available forms

Forward spherical projection

Defined area

Global

Alias

vandg4

Domain

2D

Input type

Geodetic coordinates

Output type

Projected coordinates

van der Grinten IV

proj-string: +proj=vandg4

Parameters

Note

All parameters are optional for the projection.

+lon_0=<value>

Longitude of projection center.

Defaults to 0.0.

+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.

Defaults to 0.0.

+y_0=<value>

False northing.

Defaults to 0.0.