orthographic: Orthographic projection

Description Usage Arguments Value Author(s) References

View source: R/projections.R

Description

Orthographic projection

Usage

1
orthographic(r, proj.centre = cbind(phi = 0, lambda = 0), ...)

Arguments

r

Latitude-longitude coordinates in a matrix with columns labelled phi (latitude) and lambda (longitude)

proj.centre

Location of centre of projection as matrix with column names phi (elevation) and lambda (longitude).

...

Arguments not used by this projection.n

Value

Two-column matrix with columns labelled x and y of locations of projection of coordinates on plane

Author(s)

David Sterratt

References

http://en.wikipedia.org/wiki/Map_projection, http://mathworld.wolfram.com/OrthographicProjection.html


retistruct documentation built on April 4, 2020, 5:08 p.m.