man/selectArea.rd
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 \name{selectArea}
 \alias{selectArea}
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 \title{
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 Select an area in the heatmap
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 }
 \description{
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 Select an area in the heatmap
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 }
 \usage{
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 selectArea(mark = TRUE)
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 \arguments{
 
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   \item{mark}{whether mark the selected area as a rectangle}
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 }
 \details{
 Users can use mouse to click two positions on the heatmap, the function
 will return the row index and column index for the selected region in the selected matrix.
 
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 This function only works under interactive graphical environment.
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 }
 \value{
 A list containing row index and column index corresponding to the selected region.
 }
 \author{
 Zuguang Gu <z.gu@dkfz.de>
 }
 \examples{
 # No example for this function
 NULL
 }