# sp v0.9-9

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## 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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## Last month downloads

## 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 |

depends | base (>= 2.4.0) , methods , R (>= 2.4.0) |

imports | grid , lattice , utils |

suggests | RColorBrewer |

Contributors | Roger Bivand, Edzer Pebesma |

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