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