runif_annulus {ashapesampler}

Uniform Sampling from Annulus

Description

Returns points uniformly sampled from annulus in plane

Usage

runif_annulus(n, rmax = 1, rmin = 0.5)

Arguments

n

number of points to sample

rmax

radius of outer circle of annulus

rmin

radius of inner circle of annulus

Value

n by 2 matrix of points sampled

Examples

# Sample 100 points from annulus with rmax=1 and rmin=0.5
runif_annulus(100)
# Sample 100 points from annulus with rmax=0.75 and rmin=0.25
runif_annulus(100, 0.75, 0.25)