Description Usage Arguments Details Value Author(s) Examples
These functions generate random points on a sphere using different rules.
1 2 | runifsphere(n)
runifsphere.wrong(n)
|
n |
The number of points to be simulated. |
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.
A data frame containing two columns of coordinates: the first column for longitude, the second column for latitude.
Adrian Baddeley and Tom Lawrence
1 2 | runifsphere(10)
runifsphere.wrong(10)
|
lon lat
1 97.76848 20.32291
2 -33.30475 14.65160
3 -23.31677 -33.12787
4 68.80180 -10.92769
5 -35.47525 20.28427
6 115.37504 61.40645
7 -151.69676 11.83529
8 42.55497 -64.21494
9 -137.82906 22.76947
10 167.49941 -29.97833
lon lat
1 -86.39803 -10.125280
2 -69.75103 -74.803175
3 70.56025 -37.413075
4 -75.42396 -69.448177
5 -150.68669 35.131133
6 151.01050 -2.487126
7 -70.26517 -48.944248
8 -17.46330 -5.085002
9 -25.22578 -39.451255
10 142.52303 63.329046
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