\HeaderA{position\_apply}{Position apply}{position.Rul.apply}
\keyword{hplot}{position\_apply}
\keyword{internal}{position\_apply}
\begin{Description}\relax
Apply a function to x and y position scales.
\end{Description}
\begin{Usage}
\begin{verbatim}position_apply(scales, f, ...)\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{scales}] scales
\item[\code{f}] function to apply
\item[\code{...}] other arguments to pass to f
\end{ldescription}
\end{Arguments}
\begin{Details}\relax
This is a convience method because position scales can
be made up of two separate scales, or one scale that provides
both x and y position mappings.
\end{Details}
\begin{Author}\relax
Hadley Wickham <h.wickham@gmail.com>
\end{Author}
\begin{Examples}
\begin{ExampleCode}\end{ExampleCode}
\end{Examples}

