sp v0.8-19

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

Date 2006-09-15
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 Sep 15 10:16:40 2006; edzer

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