runifsphere {globe}

Random Points on a Sphere

Description

These functions generate random points on a sphere using different rules.

Usage

 runifsphere(n)
 runifsphere.wrong(n)

Arguments

n

The number of points to be simulated.

Details

runifsphere generates uniformly-distributed random points on the sphere.

runifsphere.wrong generates random points which are uniformly distributed in (longitude, latitude) coordinates. These are not uniformly distributed on the sphere.

Value

A data frame containing two columns of coordinates: the first column for longitude, the second column for latitude.

Author(s)

Adrian Baddeley and Tom Lawrence

Examples

  runifsphere(10)
  runifsphere.wrong(10)