retrieve (or set) spatial coordinates
retrieve (or set) spatial coordinates from (for) spatial data
methods
Methods
- obj = "list": list with (at least) two numeric components of equal length
- obj = "data.frame": data.frame with at least two numeric components
- obj = "matrix": numeric matrix with at least two columns
- obj = "SpatialPoints": object of, or deriving from, SpatialPoints
- obj = "SpatialPointsDataFrame": object of, or deriving from, SpatialPointsDataFrame
- obj = "SpatialPolygons": object of, or deriving from, SpatialPolygons
- obj = "SpatialPolygonsDataFrame": object of, or deriving from, SpatialPolygonsDataFrame
- obj = "Line": object of class Line; returned value is matrix
- obj = "Lines": object of class Lines; returned value is list of matrices
- obj = "SpatialLines": object of, or deriving from, SpatialLines; returned value is list of lists of matrices
- obj = "GridTopology": object of, or deriving from, GridTopology
- obj = "GridTopology": object of, or deriving from, GridTopology
- obj = "SpatialPixels": object of, or deriving from, SpatialPixels
- obj = "SpatialPixelsDataFrame": object of, or deriving from, SpatialPixelsDataFrame
- obj = "SpatialGrid": object of, or deriving from, SpatialGrid
- obj = "SpatialGridDataFrame": object of, or deriving from, SpatialGridDataFrame
Methods for "coordinates<-"
- object = "data.frame", value="ANY": promote data.frame to object of class SpatialPointsDataFrame-class , by specifying coordinates; see coordinates