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sp (version 0.9-84)

classes and methods for spatial data

Description

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.

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Version

Install

install.packages('sp')

Monthly Downloads

251,963

Version

0.9-84

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

July 23rd, 2011

Functions in sp (0.9-84)

bubble

Create a bubble plot of spatial data
meuse

Meuse river data set
geometry-methods

Methods for retrieving the geometry from a composite (geometry + attributes) object
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
char2dms

Convert character vector to DMS-class object
coordnames-methods

retrieve or assign coordinate names for classes in sp
nowrapSpatialLines

Split SpatialLines components at offset
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
Lines-class

Class "Lines"
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
SpatialPoints-class

Class "SpatialPoints"
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
over-methods

consistent spatial overlay for points, grids and polygons
select.spatial

select points spatially
flip

rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
overlay-methods

Methods for spatially overlay-ing points (grids) and polygons layers
GridTopology-class

Class "GridTopology"
gridlines

Create N-S and E-W grid lines over a geographic region
overlay

spatial overlay for points, grids and polygons
read.asciigrid

read/write to/from (ESRI) asciigrid format
SpatialPixelsDataFrame

define spatial grid with attribute data
mapasp

Calculate aspect ratio for plotting geographic maps
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"
compassRose

Display a compass rose.
SpatialPolygons-class

Class "SpatialPolygons"
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
coordinates-methods

retrieve (or set) spatial coordinates
image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image
Spatial-class

Class "Spatial"
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
SpatialPixels-class

Class "SpatialPixels"
SpatialLinesDataFrame-class

a class for spatial lines with attributes
degAxis

axis with degrees
spDistsN1

Euclidean or Great Circle distance between points
meuse.riv

River Meuse outline
DMS-class

Class "DMS" for degree, minute, decimal second values
surfaceArea

Compute surface area of a digital elevation model.
Line-class

Class "Line"
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
gridded-methods

specify spatial data as being gridded, or find out whether they are
stack

rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
coordinates

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
SpatialPixels

define spatial grid
zerodist

find point pairs with equal spatial coordinates
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
recenter-methods

Methods for Function recenter in Package `sp'
dimensions-methods

retrieve spatial dimensions from spatial data
loadMeuse

load the Meuse data set
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
Line

create objects of class Line or Lines
point.in.polygon

do point(s) fall in a given polygon?
polygons

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
bbox-methods

retrieve bbox from spatial data
Polygons-class

Class "Polygons"
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
CRS-class

Class "CRS" of coordinate reference system arguments
SpatialGrid-class

Class "SpatialGrid"
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
Polygon-class

Class "Polygon"
meuse.grid

Prediction Grid for Meuse Data Set
spplot

Plot methods for spatial data with attributes
spChFIDs-methods

change feature IDs in spatial objects
SpatialLines-class

a class for spatial lines
sp

A package providing classes and methods for spatial data: points, lines, polygons and grids
panel.spplot

panel and panel utility functions for spplot
bpy.colors

blue-pink-yellow color scheme that prints well on black/white printers
Rlogo

Rlogo jpeg image
spsample

sample point locations in (or on) a spatial object