A package providing classes and methods for spatial data: points,
lines, polygons and grids
create objects of class SpatialPolygons or SpatialPolygonsDataFrame
retrieve (or set) spatial coordinates
retrieve or assign coordinate names for classes in sp
select points spatially
Class "CRS" of coordinate reference system arguments
Class "SpatialGrid" ~~~
as.SpatialPolygons.GridTopology
Make SpatialPolygons object from GridTopology object
SpatialPixelsDataFrame-class
Class "SpatialPixelsDataFrame" ~~~
retrieve spatial dimensions from spatial data
blue-pink-yellow color scheme that prints well on black/white printers
Class "SpatialPoints" ~~~
SpatialLinesDataFrame-class
a class for spatial lines with attributes
axis with degrees
Convert character vector to DMS-class object
Rlogo jpeg image
Prediction Grid for Meuse Data Set, geographical coordinates
image.SpatialGridDataFrame
image gridded spatial data, or convert to format for image
Prediction Grid for Meuse Data Set
Euclidean or Great Circle distance between points
do point(s) fall in a given polygon?
Meuse river data set
Create N-S and E-W grid lines over a geographic region
Create a bubble plot of spatial data
read/write to/from (ESRI) asciigrid format
Retrieve polygons from SpatialPolygonsDataFrame object
SpatialGridDataFrame-class
Class "SpatialGridDataFrame"
specify spatial data as being gridded, or find out whether they are
define spatial grid with attribute data
Calculate aspect ratio for plotting geographic maps
create objects of class Line or Lines
Methods for Function recenter in Package `sp'
sets spatial coordinates to create spatial data, or retrieves
spatial coordinates
Class "SpatialPixels" ~~~
a class for spatial lines
spatial overlay for points, grids and polygons
Class "SpatialPolygons"
find point pairs with equal spatial coordinates
Class "GridTopology" ~~~
retrieve bbox from spatial data
SpatialPolygonsDataFrame-class
Class "SpatialPolygonsDataFrame"
Methods for spatially overlay-ing points (grids) and polygons layers
as.SpatialPolygons.PolygonsList
Making SpatialPolygons objects
SpatialPointsDataFrame-class
Class "SpatialPointsDataFrame"
Class "Line"
panel and panel utility functions for spplot
Plot methods for spatial data with attributes
create objects of class SpatialPoints or SpatialPointsDataFrame
River Meuse outline
Class "Spatial"
create objects of class SpatialLines or SpatialLinesDataFrame
sample point locations in (or on) a spatial object
Class "DMS" for degree, minute, decimal second values
Class "Lines"
Class "Polygons"
Split SpatialLines components at offset
define spatial grid
rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame
for plotting with spplot (levelplot/xyplot wrapper)
Class "Polygon"
Sets or retrieves projection attributes on classes extending
SpatialData
sets spatial coordinates to create spatial data, or retrieves
spatial coordinates