sp v0.8-2

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

Date 2005-09-09
License GPL version 2 or later
URL http://r-spatial.sourceforge.net/
SaveImage 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-AttributeList.R AttributeList-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
Packaged Sun Sep 11 23:04:58 2005; edzer

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