unique {raster} | R Documentation |
This function returns the unique values in a RasterLayer, or the unique combinations of values in a multi-layer raster object.
## S4 method for signature 'RasterLayer,missing' unique(x, incomparables=FALSE, ...) ## S4 method for signature 'RasterStackBrick,missing' unique(x, incomparables=FALSE, ...)
x |
Raster object |
incomparables |
ignored. Must be missing |
... |
additional arguments. One implemented: |
vector or matrix
r <- raster(ncol=10, nrow=10) r[] <- round(runif(ncell(r))*10) unique(r) unique(stack(r, round(r/2)))