sp v0.9-3


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by Edzer Pebesma

classes and methods for spatial data

A package that provides classes and methods for spatial data. The classes document where the spatial location information resides, for 2D or 3D data. Utility functions are provided, e.g. for plotting data as maps, spatial selection, as well as methods for retrieving coordinates, for subsetting, print, summary, etc.

Functions in sp

Name Description
SpatialGrid-class Class "SpatialGrid" ~~~
SpatialPixels define spatial grid
point.in.polygon do point(s) fall in a given polygon?
SpatialPixels-class Class "SpatialPixels" ~~~
SpatialLines-class a class for spatial lines
bpy.colors blue-pink-yellow color scheme that prints well on black/white printers
overlay spatial overlay for points, grids and polygons
CRS-class Class "CRS" of coordinate reference system arguments
Spatial-class Class "Spatial" ~~~
Line-class Class "Line"
SpatialLines create objects of class SpatialLines or SpatialLinesDataFrame
sp A package providing classes and methods for spatial data: points, lines, polygons and grids
SpatialGridDataFrame-class Class "SpatialGridDataFrame"
coordinates-methods retrieve (or set) spatial coordinates
SpatialPixelsDataFrame-class Class "SpatialPixelsDataFrame" ~~~
coordinates sets spatial coordinates to create spatial data, or retrieves spatial coordinates
Rlogo Rlogo jpeg image
Polygon-class Class "Polygon"
SpatialPixelsDataFrame define spatial grid with attribute data
gridlines Create N-S and E-W grid lines over a geographic region
SpatialPointsDataFrame-class Class "SpatialPointsDataFrame"
SpatialPolygonsDataFrame-class Class "SpatialPolygonsDataFrame"
bbox-methods retrieve bbox from spatial data
Lines-class Class "Lines"
Polygons-class Class "Polygons"
bubble Create a bubble plot of spatial data
recenter-methods Methods for Function recenter in Package `sp'
DMS-class Class "DMS" for degree, minute, decimal second values
meuse.grid Prediction Grid for Meuse Data Set
as.SpatialPolygons.PolygonsList Making SpatialPolygons objects
image.SpatialGridDataFrame image gridded spatial data, or convert to format for image
contourLines2SLDF Converter functions to build SpatialLinesDataFrame objects
polygons-methods Retrieve polygons from SpatialPolygonsDataFrame object
SpatialLinesDataFrame-class a class for spatial lines with attributes
SpatialPoints-class Class "SpatialPoints" ~~~
zerodist find point pairs with equal spatial coordinates
read.asciigrid read/write to/from (ESRI) asciigrid format
as.SpatialPolygons.GridTopology Make SpatialPolygons object from GridTopology object
is.projected Sets or retrieves projection attributes on classes extending SpatialData
polygons sets spatial coordinates to create spatial data, or retrieves spatial coordinates
dimensions-methods retrieve spatial dimensions from spatial data
GridTopology-class Class "GridTopology" ~~~
mapasp Calculate aspect ratio for plotting geographic maps
spsample sample point locations in (or on) a spatial object
SpatialPoints create objects of class SpatialPoints or SpatialPointsDataFrame
degAxis axis with degrees
coordnames-methods retrieve or assign coordinate names for classes in sp
meuse Meuse river data set
transform-methods place holder for transform methods in library spproj
gridded-methods specify spatial data as being gridded, or find out whether they are
panel.spplot panel and panel utility functions for spplot
meuse.grid_ll Prediction Grid for Meuse Data Set, geographical coordinates
select.spatial select points spatially
SpatialPolygons create objects of class SpatialPolygons or SpatialPolygonsDataFrame
char2dms Convert character vector to DMS-class object
nowrapSpatialLines Split SpatialLines components at offset
spDistsN1 Euclidean or Great Circle distance between points
overlay-methods Methods for spatially overlay-ing points (grids) and polygons layers
Line create objects of class Line or Lines
spplot Plot methods for spatial data with attributes
stack rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
SpatialPolygons-class Class "SpatialPolygons"
meuse.riv River Meuse outline
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Last month downloads


Date 2006-10-07
License GPL version 2 or later
URL http://r-spatial.sourceforge.net/
LazyLoad yes
Collate AAA.R Class-CRS.R CRS-methods.R Class-Spatial.R Spatial-methods.R projected.R Class-SpatialPoints.R SpatialPoints-methods.R Class-SpatialPointsDataFrame.R SpatialPointsDataFrame-methods.R Class-GridTopology.R Class-SpatialGrid.R Class-SpatialGridDataFrame.R Class-SpatialLines.R SpatialLines-methods.R Class-SpatialLinesDataFrame.R SpatialLinesDataFrame-methods.R Class-SpatialPolygons.R Class-SpatialPolygonsDataFrame.R SpatialPolygons-methods.R SpatialPolygonsDataFrame-methods.R GridTopology-methods.R SpatialGrid-methods.R SpatialGridDataFrame-methods.R SpatialPolygons-internals.R point.in.polygon.R SpatialPolygons-displayMethods.R zerodist.R image.R stack.R bpy.colors.R bubble.R mapasp.R select.spatial.R gridded.R asciigrid.R spplot.R overlay.R spsample.R recenter.R dms.R gridlines.R spdists.R
Packaged Tue Oct 17 12:46:34 2006; edzer

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