1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
## clusterfunctions.R
##
## Contains methods for the generic functions
## - clusterkernel
## - clusterfield
## - clusterradius.
##
## $Revision: 1.11 $ $Date: 2022/02/21 02:24:34 $
##
## The generic clusterkernel() is now in spatstat.random
clusterkernel.kppm <- function(model, ...) {
kernelR <- Kpcf.kppm(model, what = "kernel")
f <- function(x, y = 0, ...){
kernelR(sqrt(x^2+y^2))
}
return(f)
}
## The generic clusterradius() is now in spatstat.random
clusterfield.kppm <- function(model, locations = NULL, ...) {
f <- clusterkernel(model)
if(is.null(locations)){
if(!is.stationary(model))
stop("The model is non-stationary. The argument ",
sQuote("locations"), " must be given.")
locations <- centroid.owin(Window(model), as.ppp = TRUE)
}
clusterfield.function(f, locations, ..., mu = model$mu)
}
## The generic clusterradius is defined in spatstat.random
clusterradius.kppm <- function(model, ..., thresh = NULL, precision = FALSE){
a <- list(model = model$clusters,
thresh = thresh,
precision = precision)
a <- append(a, as.list(c(model$clustpar, model$clustargs)))
do.call(clusterradius.character, a)
}
|
