\name{anno_oncoprint_barplot}
 \alias{anno_oncoprint_barplot}
 \title{

 Barplot Annotation for oncoPrint

 }
 \description{

 Barplot Annotation for oncoPrint

 }
 \usage{

 anno_oncoprint_barplot(type = NULL, which = c("column", "row"),

     bar_width = 0.6, beside = FALSE, ylim = NULL, show_fraction = FALSE, axis = TRUE,

     axis_param = if(which == "column") default_axis_param("column") else list(side = "top", labels_rot = 0),
     width = NULL, height = NULL, border = FALSE)

 }

 \arguments{
 

   \item{type}{A vector of the alteration types in the data. It can be a subset of all alteration types if you don't want to show them all.}
   \item{which}{Is it a row annotation or a column annotation?}

   \item{bar_width}{Width of the bars.}

   \item{beside}{Will bars be stacked or be positioned beside each other?}

   \item{ylim}{Data range.}

   \item{show_fraction}{Whether to show the numbers or the fractions?}

   \item{axis}{Whether draw axis?}
   \item{axis_param}{Parameters for controlling axis.}

   \item{width}{Width of the annotation.}

   \item{height}{Height of the annotation.}
   \item{border}{Whether draw the border?}

 }
 \details{

 This annotation function should always be used with \code{\link{oncoPrint}}.

 }
 \author{
 Zuguang Gu <z.gu@dkfz.de>
 }
 \examples{
 # There is no example
 NULL

 }