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\alias{deviceLoc}
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\alias{deviceLoc}
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\alias{deviceDim}
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\alias{deviceDim}
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\title{ Convert Viewport Location to Device Location }
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\title{ Convert Viewport Location to Device Location }
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\description{
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\description{
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  These functions take a pair of unit objects and convert
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  These functions take a pair of unit objects and convert
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  them to a pair of device locations (or dimensions) in inches.
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  them to a pair of device locations (or dimensions) in inches
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  (or native device coordinates).
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}
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}
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\usage{
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\usage{
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deviceLoc(x, y, valueOnly = FALSE)
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deviceLoc(x, y, valueOnly = FALSE, device = FALSE)
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deviceDim(w, h, valueOnly = FALSE)
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deviceDim(w, h, valueOnly = FALSE, device = FALSE)
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}
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}
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\arguments{
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\arguments{
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  \item{x, y, w, h}{ A unit object. }
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  \item{x, y, w, h}{ A unit object. }
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  \item{valueOnly}{ A logical indicating.  If \code{TRUE} then
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  \item{valueOnly}{ A logical indicating.  If \code{TRUE} then
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    the function does not return a unit object, but rather only the
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    the function does not return a unit object, but rather only the
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    converted numeric values. }
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    converted numeric values. }
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  \item{device}{ A logical indicating whether the returned values should
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    be in inches or native device units. }
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}
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}
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\details{
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\details{
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  These functions differ from the functions like \code{convertX()}
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  These functions differ from the functions like \code{convertX()}
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  because they convert from the coordinate systems within a viewport
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  because they convert from the coordinate systems within a viewport
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  to inches on the device (i.e., from one viewport to another) and
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  to inches on the device (i.e., from one viewport to another) and