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