Learn R Programming
retistruct (version 0.6.3)

azimuthal.equalarea: Lambert azimuthal equal area projection

Description

Lambert azimuthal equal area projection

Usage

azimuthal.equalarea(r, ...)

Arguments

r

2-column Matrix of spherical coordinates of points on sphere. Column names are phi and lambda.

...

Arguments not used by this projection.

Value

2-column Matrix of Cartesian coordinates of points on polar projection. Column names should be x and y.

References

http://en.wikipedia.org/wiki/Map_projection, http://mathworld.wolfram.com/LambertAzimuthalEqual-AreaProjection.html Fisher, N. I., Lewis, T., and Embleton, B. J. J. (1987). Statistical analysis of spherical data. Cambridge University Press, Cambridge, UK.