sp v0.9-24

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

Date 2008-03-14
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 Fri Mar 14 17:21:57 2008; edzer

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