Revision 6ebd6ff5fb7707ef87961f50ee794d8eb7143d0a authored by Adrian Baddeley on 10 August 2005, 00:00:00 UTC, committed by Gabor Csardi on 10 August 2005, 00:00:00 UTC
1 parent 5493ce5
is.im.Rd
\name{is.im}
\alias{is.im}
\title{Test Whether An Object Is A Pixel Image}
\description{
Tests whether its argument is a pixel image
(object of class \code{"im"}).
}
\usage{
is.im(x)
}
\arguments{
\item{x}{Any object.}
}
\details{
This function tests whether the argument \code{x} is a
pixel image object of class \code{"im"}. For details of this
class, see \code{\link{im.object}}.
The object is determined to be an image if it inherits from
class \code{"im"}.
}
\value{
\code{TRUE} if \code{x} is a pixel image, otherwise \code{FALSE}.
}
\author{Adrian Baddeley
\email{adrian@maths.uwa.edu.au}
\url{http://www.maths.uwa.edu.au/~adrian/}
and Rolf Turner
\email{rolf@math.unb.ca}
\url{http://www.math.unb.ca/~rolf}
}
\keyword{spatial}
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