Crossing Points in a Line Segment Pattern
Finds any crossing points between the line segments in a line segment pattern.
selfcrossing.psp(A)
A |
Line segment pattern (object of class |
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.
Point pattern (object of class "ppp").
Adrian Baddeley Adrian.Baddeley@curtin.edu.au
and Rolf Turner r.turner@auckland.ac.nz
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")
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