selfcrossing.psp {spatstat.geom} | R Documentation |
Crossing Points in a Line Segment Pattern
Description
Finds any crossing points between the line segments in a line segment pattern.
Usage
selfcrossing.psp(A)
Arguments
A |
Line segment pattern (object of class |
Details
This function finds any crossing points between
different line segments in the line segment pattern A
.
A crossing point occurs whenever one of the line segments in A
intersects another line segment in A
, at a nonzero
angle of intersection.
Value
Point pattern (object of class "ppp"
).
Author(s)
Adrian Baddeley Adrian.Baddeley@curtin.edu.au
and Rolf Turner rolfturner@posteo.net
See Also
crossing.psp
,
psp.object
,
ppp.object
.
Examples
a <- psp(runif(10), runif(10), runif(10), runif(10), window=owin())
plot(a, col="green", main="selfcrossing.psp")
P <- selfcrossing.psp(a)
plot(P, add=TRUE, col="red")
[Package spatstat.geom version 3.3-2 Index]