sp v0.9-23

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

Date 2008-02-18
License GPL (>= 2)
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 rbind.R
Packaged Mon Feb 18 19:44:32 2008; rsb

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