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\name{grid.show.layout}
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\name{grid.show.layout}
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\alias{grid.show.layout}
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\alias{grid.show.layout}
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%- Also NEED an `\alias' for EACH other topic documented here.
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\title{Draw a Diagram of a Grid Layout}
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\title{Draw a Diagram of a Grid Layout}
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\description{
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\description{
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  This function uses Grid graphics to draw a diagram of a
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  This function uses Grid graphics to draw a diagram of a
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  Grid layout.
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  Grid layout.
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}
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}
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\usage{
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\usage{
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grid.show.layout(l, newpage=TRUE,
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grid.show.layout(l, newpage=TRUE,
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             cell.border = "blue", cell.fill = "light blue",
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             cell.border = "blue", cell.fill = "light blue",
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             cell.label = TRUE, vp = NULL)
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             cell.label = TRUE, vp = NULL)
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}
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}
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%- maybe also `usage' for other objects documented here.
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\arguments{
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\arguments{
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  \item{l}{A Grid layout object.}
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  \item{l}{A Grid layout object.}
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  \item{newpage}{A logical value indicating whether to move on
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  \item{newpage}{A logical value indicating whether to move on
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    to a new page before drawing the diagram.}
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    to a new page before drawing the diagram.}
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  \item{cell.border}{The colour used to draw the borders of the cells
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  \item{cell.border}{The colour used to draw the borders of the cells
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  \code{\link{viewport}},
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  \code{\link{viewport}},
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  \code{\link{grid.layout}}
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  \code{\link{grid.layout}}
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}
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}
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\examples{
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\examples{
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# Diagram of a simple layout
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## Diagram of a simple layout
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grid.show.layout(grid.layout(4,2,
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grid.show.layout(grid.layout(4,2,
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                     heights=unit(rep(1, 4),
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                     heights=unit(rep(1, 4),
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                                  c("lines", "lines", "lines", "null")),
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                                  c("lines", "lines", "lines", "null")),
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                     widths=unit(c(1, 1), "inches")))
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                     widths=unit(c(1, 1), "inches")))
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}
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}
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\keyword{ dplot }%-- one or more ...
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\keyword{dplot}