# runifpointOnLines

From spatstat v1.31-3
by Adrian Baddeley

##### 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.

##### 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.

`n`

is a single integer, the result is an unmarked point
pattern containing `n`

points.
If `n`

is a vector of integers, the result is a marked point
pattern, with `m`

different types of points, where
`m = length(n)`

,
in which there are `n[j]`

points of type `j`

.
##### Value

- A point pattern (object of class
`"ppp"`

) with the same window as`L`

.

##### See Also

##### Examples

```
X <- psp(runif(10), runif(10), runif(10), runif(10), window=owin())
Y <- runifpointOnLines(20, X)
plot(X, main="")
plot(Y, add=TRUE)
Z <- runifpointOnLines(c(5,5), X)
```

*Documentation reproduced from package spatstat, version 1.31-3, License: GPL (>= 2)*

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