sp v0.8-18

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

Date 2006-07-10
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 Mon Jul 10 09:37:59 2006; edzer

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