greatCircle

0th

Percentile

Great circle

Get points on a great circle as defined by the shortest distance between two specified points

Keywords
spatial
Usage
greatCircle(p1, p2, n=360, sp=FALSE)
Arguments
p1
longitude/latitude of point(s). Can be a vector of two numbers, a matrix of 2 columns (first one is longitude, second is latitude) or a SpatialPoints* object
p2
as above
n
The requested number of points on the Great Circle
sp
Logical. Return a SpatialLines object?
Value

  • A matrix of points, or a list of such matrices (e.g., if multiple bearings are supplied)

References

http://williams.best.vwh.net/avform.htm#Int

Aliases
  • greatCircle
Examples
greatCircle(c(5,52), c(-120,37), n=36)
Documentation reproduced from package geosphere, version 1.2-15, License: GPL

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