Distance Map
Compute the distance map of an object, and return it as a pixel image. Generic.
distmap(X, ...)
X |
Any suitable dataset representing a two-dimensional
object, such as a point pattern (object of class |
... |
Arguments passed to |
The “distance map” of a set of points A is the function
f whose value f(x) is defined for any two-dimensional
location x as the shortest distance from x to A.
This function computes the distance map of the set X
and returns the distance map as a pixel image.
This is generic. Methods are provided for
point patterns (distmap.ppp),
line segment patterns (distmap.psp)
and windows (distmap.owin).
A pixel image (object of class "im") whose grey scale values
are the values of the distance map.
Adrian Baddeley Adrian.Baddeley@curtin.edu.au
and Rolf Turner r.turner@auckland.ac.nz
data(cells)
U <- distmap(cells)
V <- distmap(letterR)
if(interactive()) {
plot(U)
plot(V)
}Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.