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