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\name{setExtent}
\alias{setExtent}
\alias{extent<-}
\title{Set the extent of a RasterLayer}
\description{
setExtent sets the extent of a Raster* object. Either by providing a new Extent object or by setting the extreme
coordinates one by one.
}
\usage{
setExtent(x, ext, keepres=FALSE, snap=FALSE)
extent(x) <- value
}
\arguments{
\item{x}{A Raster* object}
\item{ext}{ An object of class Extent (which you can create with \code{\link[raster]{extent}}, or an object that has an extent (e.g. a Raster* or Spatial* object) ) }
\item{keepres}{logical. If \code{TRUE}, the resolution of the cells will stay the same after adjusting the bounding box (by adjusting the number of rows and columns).
If \code{FALSE}, the number of rows and columns will stay the same, and the resolution will be adjusted.
}
\item{snap}{logical. If \code{TRUE}, the extent is adjusted so that the cells of the input and output RasterLayer are aligned}
\item{value}{An object of class Extent (which you can create with \code{\link[raster]{extent}} )}
}
\value{
a Raster* object
}
\seealso{ \code{\link[raster]{extent}}, \code{\link[raster]{Extent-class}} }
\examples{
r <- raster()
bb <- extent(-10, 10, -20, 20)
extent(r) <- bb
r <- setExtent(r, bb, keepres=TRUE)
}
\keyword{spatial}
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