sp v0.9-25

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

Date 2008-04-08
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 Tue Apr 8 08:34:59 2008; edzer

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