proj-string: +proj=lagrng



All parameters are optional for the projection.


The factor +W is the ratio of the difference in longitude from the central meridian to the a circular meridian to 90. +W must be a positive value.

Defaults to 2.0


Longitude of projection center.

Defaults to 0.0.


First standard parallel.

Defaults to 0.0.


See proj -le for a list of available ellipsoids.

Defaults to “GRS80”.


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


False easting.

Defaults to 0.0.


False northing.

Defaults to 0.0.