clamp {raster} | R Documentation |
Clamp values
Description
Clamp values to a minimum and maximum value. That is, all values below the lower clamp value and above the upper clamp value become NA (or the lower/upper value if useValue=TRUE
)
Usage
## S4 method for signature 'Raster'
clamp(x, lower=-Inf, upper=Inf, useValues=TRUE, filename="", ...)
## S4 method for signature 'numeric'
clamp(x, lower=-Inf, upper=Inf, ...)
Arguments
x |
RasterLayer, or numeric vector |
lower |
numeric. lowest value |
upper |
numeric. highest value |
useValues |
logical. If |
filename |
character. Filename for the output RasterLayer (optional) |
... |
additional arguments as for |
Value
Raster object
See Also
Examples
r <- raster(ncols=12, nrows=12)
values(r) <- 1:ncell(r)
rc <- clamp(r, 25, 75)
rc
[Package raster version 3.6-26 Index]