distVincentySphere

0th

Percentile

'Vincenty' (sphere) great circle distance

The shortest distance between two points (i.e., the 'great-circle-distance' or 'as the crow flies'), according to the 'Vincenty (sphere)' method. This method assumes a spherical earth, ignoring ellipsoidal effects and it is less accurate then the distVicentyEllipsoid method.

Keywords
spatial
Usage
distVincentySphere(p1, p2, r=6378137)
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
r
radius of the earth; default = 6378137 m
Value

  • Distance value in the same unit as r (default is meters)

References

http://en.wikipedia.org/wiki/Great_circle_distance

See Also

distVincentyEllipsoid, distHaversine, distCosine

Aliases
  • distVincentySphere
Examples
distVincentySphere(c(0,0),c(90,90))
Documentation reproduced from package geosphere, version 1.2-15, License: GPL

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