runifpointOnLines

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Generate N Uniform Random Points On Line Segments

Given a line segment pattern, generate a random point pattern consisting of n points uniformly distributed on the line segments.

Keywords
spatial, datagen
Usage
runifpointOnLines(n, L)
Arguments
n
Number of points to generate.
L
Line segment pattern (object of class "psp") on which the points should lie.
Details

This command generates a point pattern consisting of n independent random points, each point uniformly distributed on the line segment pattern. This means that, for each random point,

  • the probability of falling on a particular segment is proportional to the length of the segment; and
  • given that the point falls on a particular segment, it has uniform probability density along that segment.

Value

  • A point pattern (object of class "ppp") with the same window as L.

See Also

psp, ppp, pointsOnLines, runifpoint

Aliases
  • runifpointOnLines
Examples
X <- psp(runif(10), runif(10), runif(10), runif(10),  window=owin())
  Y <- runifpointOnLines(20, X)
  plot(X, main="")
  plot(Y, add=TRUE)
Documentation reproduced from package spatstat, version 1.18-4, License: GPL (>= 2)

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