sp v0.9-9

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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" ~~~
SpatialLinesDataFrame-class a class for spatial lines with attributes
Spatial-class Class "Spatial"
sp A package providing classes and methods for spatial data: points, lines, polygons and grids
as.SpatialPolygons.GridTopology Make SpatialPolygons object from GridTopology object
SpatialGridDataFrame-class Class "SpatialGridDataFrame"
gridlines Create N-S and E-W grid lines over a geographic region
SpatialPoints create objects of class SpatialPoints or SpatialPointsDataFrame
polygons-methods Retrieve polygons from SpatialPolygonsDataFrame object
overlay-methods Methods for spatially overlay-ing points (grids) and polygons layers
GridTopology-class Class "GridTopology" ~~~
Line-class Class "Line"
spsample sample point locations in (or on) a spatial object
gridded-methods specify spatial data as being gridded, or find out whether they are
SpatialLines create objects of class SpatialLines or SpatialLinesDataFrame
DMS-class Class "DMS" for degree, minute, decimal second values
Lines-class Class "Lines"
coordnames-methods retrieve or assign coordinate names for classes in sp
select.spatial select points spatially
addAttrToGeom-methods constructs SpatialXxxDataFrame from geometry and attributes
bbox-methods retrieve bbox from spatial data
as.SpatialPolygons.PolygonsList Making SpatialPolygons objects
SpatialPolygons create objects of class SpatialPolygons or SpatialPolygonsDataFrame
meuse Meuse river data set
SpatialPixels define spatial grid
coordinates-methods retrieve (or set) spatial coordinates
SpatialPixelsDataFrame-class Class "SpatialPixelsDataFrame" ~~~
Polygon-class Class "Polygon"
read.asciigrid read/write to/from (ESRI) asciigrid format
zerodist find point pairs with equal spatial coordinates
overlay spatial overlay for points, grids and polygons
CRS-class Class "CRS" of coordinate reference system arguments
spplot Plot methods for spatial data with attributes
bpy.colors blue-pink-yellow color scheme that prints well on black/white printers
SpatialPolygons-class Class "SpatialPolygons"
dimensions-methods retrieve spatial dimensions from spatial data
char2dms Convert character vector to DMS-class object
panel.spplot panel and panel utility functions for spplot
meuse.grid Prediction Grid for Meuse Data Set
Rlogo Rlogo jpeg image
polygons sets spatial coordinates to create spatial data, or retrieves spatial coordinates
SpatialPixels-class Class "SpatialPixels" ~~~
SpatialPixelsDataFrame define spatial grid with attribute data
stack rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
mapasp Calculate aspect ratio for plotting geographic maps
degAxis axis with degrees
meuse.grid_ll Prediction Grid for Meuse Data Set, geographical coordinates
Line create objects of class Line or Lines
SpatialPoints-class Class "SpatialPoints" ~~~
Polygons-class Class "Polygons"
SpatialPointsDataFrame-class Class "SpatialPointsDataFrame"
geometry-methods Methods for retrieving the geometry from a composite (geometry + attributes) object
SpatialPolygonsDataFrame-class Class "SpatialPolygonsDataFrame"
point.in.polygon do point(s) fall in a given polygon?
bubble Create a bubble plot of spatial data
spDistsN1 Euclidean or Great Circle distance between points
compassRose Display a compass rose.
coordinates sets spatial coordinates to create spatial data, or retrieves spatial coordinates
nowrapSpatialLines Split SpatialLines components at offset
meuse.riv River Meuse outline
spChFIDs-methods change feature IDs in spatial objects
is.projected Sets or retrieves projection attributes on classes extending SpatialData
SpatialLines-class a class for spatial lines
surfaceArea Compute surface area of a digital elevation model.
loadMeuse load the Meuse data set
over-methods consistent spatial overlay for points, grids and polygons
flip rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
image.SpatialGridDataFrame image gridded spatial data, or convert to format for image
recenter-methods Methods for Function recenter in Package `sp'
gridIndex2nb create neighbourhood (nb) object from grid geometry
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Details

Date 2007-02-27
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 rbind.R
Packaged Mon Mar 12 10:15:33 2007; edzer

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