\name{grobWidth}
\alias{grobWidth}
\alias{grobHeight}
\title{Create a Unit Describing the Width of a Grob}
\description{
  These functions create a unit object describing the width or height of
  a grob.  They are generic.
}
\usage{
grobWidth(x)
grobHeight(x)
}
\arguments{
  \item{x}{A grob object.}
}
\value{
  A unit object. 
}
\author{Paul Murrell}
\seealso{
  \code{\link{unit}} and
  \code{\link{stringWidth}}
}
\keyword{dplot}