Transition-extract-replace {gdistance} | R Documentation |
Extracting and replacing: class Transition
Description
Methods for functions [
and [<-
for object of
the class TransitionLayer.
Usage
transitionMatrix(x) <- value
Arguments
x |
an object of class |
value |
the value to assign |
Details
Methods for functions [[
and [[<-
for object of
the class TransitionStack.
Also see adjacencyFromTransition
.
Examples
#Create a new raster and set all its values to unity.
r <- raster(nrows=18, ncols=36)
r <- setValues(r,rep(1,ncell(r)))
#Create TransitionLayer objects
tr1 <- transition(r,mean,4)
tr2 <- tr1
#Extracting and replacing
tr1[cbind(1:9,1:9)] <- tr2[cbind(1:9,1:9)]
tr1[1:9,1:9] <- tr2[1:9,1:9]
tr1[1:5,1:5]
[Package gdistance version 1.6.4 Index]