`R/Transition-methods.R`

`ArithMath-methods.Rd`

Standard arithmetic operators for computations with `Transition*`

objects and numeric values. Transition objects must have the same extent
and resolution. All arithmetic and mathematical operations that work on
the sparse matrices are available for `Transition*`

objects.

# S4 method for TransitionLayer,TransitionLayer Arith(e1, e2)

e1 | objects |
---|---|

e2 | objects |

`Transition*`

object or numeric.

#create a new raster and set all its values to unity. raster <- raster(nrows=18, ncols=36) raster <- setValues(raster,rep(1,ncell(raster))) #create TransitionLayer objects tr1 <- transition(raster,mean,4) tr2 <- tr1 #arithmetic operations tr3 <- tr1 * tr2 tr4 <- tr3 * 4 #mathematical operations tr5 <- sqrt(tr4)