i
is a vector of cell numbers, a Raster*, Extent, or Spatial* object.
These are shorthand methods that only work for relatively small Raster* objects. In other cases you can use functions such as calc and rasterize
.x[i] <- value
x[i,j] <- value
Arguments
x
a Raster* object
i
cell number(s), row number(s), Extent, Spatial* object
j
columns number(s) (only available if i is (are) a row number(s))
value
new cell value(s)
}r <- raster(ncol=10, nrow=5)
r[] <- 1:ncell(r) * 2
r[1,] <- 1
r[,1] <- 2
r[1,1] <- 3
s <- stack(r, sqrt(r))
s[s<5] <- NA
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