\HeaderA{coordinates-methods}{retrieves spatial coordinates}{coordinates.Rdash.methods}
\aliasA{coordinates,data.frame-method}{coordinates-methods}{coordinates,data.frame.Rdash.method}
\aliasA{coordinates,GridTopology-method}{coordinates-methods}{coordinates,GridTopology.Rdash.method}
\aliasA{coordinates,Line-method}{coordinates-methods}{coordinates,Line.Rdash.method}
\aliasA{coordinates,Lines-method}{coordinates-methods}{coordinates,Lines.Rdash.method}
\aliasA{coordinates,list-method}{coordinates-methods}{coordinates,list.Rdash.method}
\aliasA{coordinates,matrix-method}{coordinates-methods}{coordinates,matrix.Rdash.method}
\aliasA{coordinates,SpatialGrid-method}{coordinates-methods}{coordinates,SpatialGrid.Rdash.method}
\aliasA{coordinates,SpatialGridDataFrame-method}{coordinates-methods}{coordinates,SpatialGridDataFrame.Rdash.method}
\aliasA{coordinates,SpatialLines-method}{coordinates-methods}{coordinates,SpatialLines.Rdash.method}
\aliasA{coordinates,SpatialPixels-method}{coordinates-methods}{coordinates,SpatialPixels.Rdash.method}
\aliasA{coordinates,SpatialPixelsDataFrame-method}{coordinates-methods}{coordinates,SpatialPixelsDataFrame.Rdash.method}
\aliasA{coordinates,SpatialPoints-method}{coordinates-methods}{coordinates,SpatialPoints.Rdash.method}
\aliasA{coordinates,SpatialPointsDataFrame-method}{coordinates-methods}{coordinates,SpatialPointsDataFrame.Rdash.method}
\aliasA{coordinates<-,data.frame-method}{coordinates-methods}{coordinates<.Rdash.,data.frame.Rdash.method}
\keyword{methods}{coordinates-methods}
\begin{Description}\relax
retrieves spatial coordinates from spatial data
\end{Description}
\begin{Section}{Methods}
\describe{
\item[obj = "list"] list with (at least) two numeric components of equal length 
\item[obj = "data.frame"] data.frame with at least two numeric components 
\item[obj = "matrix"] numeric matrix with at least two columns 
\item[obj = "SpatialPoints"] object of, or deriving from, SpatialPoints 
\item[obj = "SpatialPointsDataFrame"] object of, or deriving from, 
SpatialPointsDataFrame 
\item[obj = "Line"] object of class Line; returned value is matrix 
\item[obj = "Lines"] object of class Lines; returned value is list of matrices 
\item[obj = "SpatialLines"] object of, or deriving from, SpatialLines; returned
value is list of lists of matrices 
\item[obj = "GridTopology"] object of, or deriving from, GridTopology 
\item[obj = "GridTopology"] object of, or deriving from, GridTopology 
\item[obj = "SpatialPixels"] object of, or deriving from, SpatialPixels 
\item[obj = "SpatialPixelsDataFrame"] object of, or deriving from, SpatialPixelsDataFrame 
\item[obj = "SpatialGrid"] object of, or deriving from, SpatialGrid 
\item[obj = "SpatialGridDataFrame"] object of, or deriving from, SpatialGridDataFrame 
}
\end{Section}
\begin{Section}{Methods for "coordinates<-"}
\item[object = "data.frame", value="ANY"] promote data.frame to object of class
\LinkA{SpatialPointsDataFrame-class}{SpatialPointsDataFrame.Rdash.class}, by specifying coordinates; see \LinkA{coordinates}{coordinates}
\end{Section}

