sp v0.9-7

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

Date 2007-01-19
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
Packaged Thu Feb 1 11:50:35 2007; rsb

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