\Header{readImageneHeaders}{Read Imagene Header Information}
\keyword{file}{readImageneHeaders}
\begin{Description}\relax
Read the header information from an Imagene image analysis output file.
This function is used internally by \code{read.maimages} and is not usually called directly by users.
\end{Description}
\begin{Usage}
\begin{verbatim}
readImageneHeaders(file)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{file}] character string giving file name, including path if not in current working directory
\end{ldescription}
\end{Arguments}
\begin{Details}\relax
Output files produced by the image analysis software Imagene include a number of lines of header which contain information about the printing process.
This function extracts that information and locates the line where the intensity data begins.
\end{Details}
\begin{Value}
A list with components
\begin{ldescription}
\item[\code{Begin.Raw.Data}] line number immediately before intensity data begins
\item[\code{Version}] version number of Imagene software
\item[\code{Date}] character string giving time and data that array was scanned
\item[\code{Image.File}] character string giving original file name to which data was written by Imagene
\item[\code{Inverted}] logical
\item[\code{Field.Dimension}] list with components \code{Field} containing a character string,
\code{Metarows} containing number of grid rows,
\code{Metacols} containing number of grid columns,
\code{Rows} containing number of spot rows in each grid,
\code{Cols} containing number of spot columns in each grid
\item[\code{Measurement.Parameters}] list with numerical components \code{Signal.Low}, \code{Signal.High}, \code{Background.Low}, \code{Background.High}, \code{Background.Buffer} and \code{Background.Width}
\end{ldescription}
\end{Value}
\begin{Author}\relax
Gordon Smyth
\end{Author}
\begin{References}\relax
\url{http://www.biodiscovery.com/imagene.asp}
\end{References}
\begin{SeeAlso}\relax
\code{\Link{read.imagene}}

An overview of LIMMA functions to read data is given in \link{3.ReadingData}.\end{SeeAlso}
\begin{Examples}
\begin{ExampleCode}
## Not run: 
This function is not intended to be called by users.
There is an example of use in the code for function read.imagene.
## End(Not run)
print(read.imagene)
\end{ExampleCode}
\end{Examples}

