sp v0.8-8

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

Date 2006-01-20
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 spdists.R
Packaged Fri Jan 20 20:44:18 2006; edzer

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