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sp (version 0.9-94)

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

189,773

Version

0.9-94

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

February 1st, 2012

Functions in sp (0.9-94)

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
SpatialPixelsDataFrame

define spatial grid with attribute data
sp

A package providing classes and methods for spatial data: points, lines, polygons and grids
compassRose

Display a compass rose.
SpatialPoints-class

Class "SpatialPoints"
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
bpy.colors

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

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

axis with degrees
spDistsN1

Euclidean or Great Circle distance between points
SpatialPixels-class

Class "SpatialPixels"
coordinates

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
read.asciigrid

read/write to/from (ESRI) asciigrid format
gridded-methods

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

define spatial grid
surfaceArea

Compute surface area of a digital elevation model.
coordinates-methods

retrieve (or set) spatial coordinates
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
meuse.riv

River Meuse outline
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
coordnames-methods

retrieve or assign coordinate names for classes in sp
dimensions-methods

retrieve spatial dimensions from spatial data
loadMeuse

load the Meuse data set
overlay

spatial overlay for points, grids and polygons
mapasp

Calculate aspect ratio for plotting geographic maps
bbox-methods

retrieve bbox from spatial data
image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image
spsample

sample point locations in (or on) a spatial object
point.in.polygon

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

create objects of class Line or Lines
Line-class

Class "Line"
stack

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

Methods for retrieving the geometry from a composite (geometry + attributes) object
meuse.grid

Prediction Grid for Meuse Data Set
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
SpatialPolygons-class

Class "SpatialPolygons"
recenter-methods

Methods for Function recenter in Package `sp'
bubble

Create a bubble plot of spatial data
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
char2dms

Convert character vector to DMS-class object
DMS-class

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

Meuse river data set
Polygon-class

Class "Polygon"
SpatialLines-class

a class for spatial lines
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
select.spatial

select points spatially
SpatialGrid-class

Class "SpatialGrid"
Polygons-class

Class "Polygons"
polygons

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
CRS-class

Class "CRS" of coordinate reference system arguments
spChFIDs-methods

change feature IDs in spatial objects
Rlogo

Rlogo jpeg image
over-methods

consistent spatial overlay for points, grids and polygons
nowrapSpatialLines

Split SpatialLines components at offset
flip

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

a class for spatial lines with attributes
zerodist

find point pairs with equal spatial coordinates
spplot

Plot methods for spatial data with attributes
panel.spplot

panel and panel utility functions for spplot
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
Lines-class

Class "Lines"
overlay-methods

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

Class "GridTopology"
Spatial-class

Class "Spatial"
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"