Function reference • sp

All functions
`sp`	A package providing classes and methods for spatial data: points, lines, polygons and grids
`CRS()` `identicalCRS()`	Class "CRS" of coordinate reference system arguments
`DMS-class`	Class "DMS" for degree, minute, decimal second values
`GridTopology-class`	Class "GridTopology"
`Line-class`	Class "Line"
`Line()` `Lines()`	create objects of class Line or Lines
`Lines-class`	Class "Lines"
`Polygon-class`	Class "Polygon"
`Polygons-class`	Class "Polygons"
`Rlogo`	Rlogo jpeg image
`Spatial()` `subset(<Spatial>)`	Class "Spatial"
`SpatialGrid-class`	Class "SpatialGrid"
`GridTopology()` `SpatialPixels()` `SpatialGrid()` `coordinatevalues()` `points2grid()` `getGridIndex()` `getGridTopology()` `areaSpatialGrid()`	define spatial grid
`SpatialGridDataFrame-class`	Class "SpatialGridDataFrame"
`SpatialPixelsDataFrame()` `SpatialGridDataFrame()`	define spatial grid with attribute data
`SpatialLines-class`	a class for spatial lines
`SpatialLines()` `SpatialLinesDataFrame()` `as.SpatialLines.SLDF()` `getSpatialLinesMidPoints()` `LineLength()` `LinesLength()` `SpatialLinesLengths()`	create objects of class SpatialLines or SpatialLinesDataFrame
`SpatialLinesDataFrame-class`	a class for spatial lines with attributes
`SpatialMultiPoints-class`	Class "SpatialMultiPoints"
`SpatialMultiPoints()` `SpatialMultiPointsDataFrame()`	create objects of class SpatialMultiPoints or SpatialMultiPointsDataFrame
`[`(<SpatialMultiPointsDataFrame>) `coerce(<SpatialMultiPointsDataFrame>,<data.frame>)` `coordinates(<SpatialMultiPointsDataFrame>)` `show(<SpatialMultiPointsDataFrame>)` `points(<SpatialMultiPointsDataFrame>)`	Class "SpatialMultiPointsDataFrame"
`SpatialPixels-class`	Class "SpatialPixels"
`SpatialPixelsDataFrame-class`	Class "SpatialPixelsDataFrame"
`SpatialPoints-class`	Class "SpatialPoints"
`SpatialPoints()` `SpatialPointsDataFrame()`	create objects of class SpatialPoints or SpatialPointsDataFrame
`[`(<SpatialPointsDataFrame>) `coerce(<SpatialPointsDataFrame>,<SpatialPoints>)` `coerce(<SpatialPointsDataFrame>,<data.frame>)` `coordinates(<SpatialPointsDataFrame>)` `show(<SpatialPointsDataFrame>)` `points(<SpatialPointsDataFrame>)` `rbind(<SpatialPointsDataFrame>)`	Class "SpatialPointsDataFrame"
`SpatialPolygons-class`	Class "SpatialPolygons"
`Polygon()` `Polygons()` `SpatialPolygons()` `SpatialPolygonsDataFrame()` `getSpatialPolygonsLabelPoints()`	create objects of class SpatialPolygons or SpatialPolygonsDataFrame
`SpatialPolygonsDataFrame-class`	Class "SpatialPolygonsDataFrame"
`addAttrToGeom()`	constructs SpatialXxxDataFrame from geometry and attributes
`aggregate(<Spatial>)`	aggregation of spatial objects
`as.SpatialPolygons.GridTopology()` `IDvaluesGridTopology()` `as.SpatialPolygons.SpatialPixels()` `IDvaluesSpatialPixels()` `HexPoints2SpatialPolygons()`	Make SpatialPolygons object from GridTopology object
`as.SpatialPolygons.PolygonsList()`	Making SpatialPolygons objects
`read.asciigrid()` `write.asciigrid()`	read/write to/from (ESRI) asciigrid format
`bbox()`	retrieve bbox from spatial data
`bpy.colors()`	blue-pink-yellow color scheme, which also prints well on black/white printers
`bubble()`	Create a bubble plot of spatial data
`char2dms()` `dd2dms()`	Convert character vector to DMS-class object
`compassRose()`	Display a compass rose.
`coordinates-methods`	retrieve (or set) spatial coordinates
`coordinates()` `coordinates<-`()	set spatial coordinates to create a Spatial object, or retrieve spatial coordinates from a Spatial object
`coordnames-methods`	retrieve or assign coordinate names for classes in sp
`degAxis()`	axis with degrees
`dimensions()`	retrieve spatial dimensions from spatial data
`disaggregate()`	disaggregate SpatialLines, SpatialLinesDataFrame, SpatialPolygons, or SpatialPolygonsDataFrame objects
`flipHorizontal()` `flipVertical()`	rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
`geometry()` `geometry<-`()	Methods for retrieving the geometry from a composite (geometry + attributes) object
`gridded()` `gridded<-`() `fullgrid()` `fullgrid<-`() `gridparameters()`	specify spatial data as being gridded, or find out whether they are
`gridIndex2nb()`	create neighbourhood (nb) object from grid geometry
`gridlines()` `gridat()` `labels(<SpatialLines>)` `text(<SpatialPointsDataFrame>)`	Create N-S and E-W grid lines over a geographic region
`image(<SpatialGridDataFrame>)` `image(<SpatialPixelsDataFrame>)` `image(<SpatialPixels>)` `contour(<SpatialGridDataFrame>)` `contour(<SpatialPixelsDataFrame>)` `as.image.SpatialGridDataFrame()` `image2Grid()`	Image or contour method for gridded spatial data; convert to and from image data structure
`is.projected()` `proj4string()` `proj4string<-`() `wkt()` `get_ll_warn()` `get_ll_TOL()` `get_ReplCRS_warn()` `set_ll_warn()` `set_ll_TOL()` `set_ReplCRS_warn()`	Sets or retrieves projection attributes on classes extending SpatialData
`loadMeuse()`	deprecated function to load the Meuse data set
`mapasp()` `degreeLabelsEW()` `degreeLabelsNS()`	Calculate aspect ratio for plotting geographic maps; create nice degree axis labels
`merge(<Spatial>,<data.frame>)`	Merge a Spatial* object having attributes with a data.frame
`meuse`	Meuse river data set
`meuse.grid`	Prediction Grid for Meuse Data Set
`meuse.grid_ll`	Prediction Grid for Meuse Data Set, geographical coordinates
`meuse.riv` `meuse.area`	River Meuse outline
`over()` `%over%`	consistent spatial overlay for points, grids and polygons
`spplot.key()` `SpatialPolygonsRescale()` `sp.lines()` `sp.points()` `sp.polygons()` `sp.grid()` `sp.text()` `sp.panel.layout()` `bbexpand()`	panel and panel utility functions for spplot
`point.in.polygon()`	do point(s) fall in a given polygon?
`polygons-methods`	Retrieve polygons from SpatialPolygonsDataFrame object
`polygons()` `polygons<-`()	sets spatial coordinates to create spatial data, or retrieves spatial coordinates
`recenter-methods`	Methods for Function recenter in Package `sp'
`select.spatial()`	select points spatially
`sp-deprecated`	Deprecated functions in sp
`spChFIDs-methods`	change feature IDs in spatial objects
`spDistsN1()` `spDists()`	Euclidean or Great Circle distance between points
`spTransform()`	spTransform for map projection and datum transformation
`spplot()` `spplot.grid()` `spplot.polygons()` `spplot.points()` `mapLegendGrob()` `sp.theme()` `layout.north.arrow()` `layout.scale.bar()` `spplot.locator()` `set_col_regions()` `get_col_regions()`	Plot methods for spatial data with attributes
`spsample()` `makegrid()`	sample point locations in (or on) a spatial object
`spmap.to.lev()` `stack(<SpatialPointsDataFrame>)` `stack(<SpatialGridDataFrame>)`	rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
`surfaceArea()` `surfaceArea.matrix()`	Compute surface area of a digital elevation model.
`zerodist()` `zerodist2()` `remove.duplicates()`	find point pairs with equal spatial coordinates

Reference

All functions