Invert raster
Inverts (flip) the values of a raster
raster.invert(x)
x |
raster object |
raster class object with inverted (flipped) raster values
Inverts raster values using the formula: (((x - max(x)) * -1) + min(x)
Jeffrey S. Evans <jeffrey_evans@tnc.org>
library(raster)
r <- raster(nrows=500, ncols=500, xmn=571823, xmx=616763,
ymn=4423540, ymx=4453690)
r[] <- runif(ncell(r), 1, 100)
r <- focal(r, focalWeight(r, 150, "Gauss") )
r.inv <- raster.invert(r)
opar <- par(no.readonly=TRUE)
par(mfrow=c(1,2))
plot(r, main="original raster")
plot(r.inv, main="inverted raster")
par(opar)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.