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sp (version 0.9-74)

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

0.9-74

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

November 29th, 2010

Functions in sp (0.9-74)

DMS-class

Class "DMS" for degree, minute, decimal second values
SpatialPolygons-class

Class "SpatialPolygons"
bbox-methods

retrieve bbox from spatial data
SpatialLines-class

a class for spatial lines
CRS-class

Class "CRS" of coordinate reference system arguments
read.asciigrid

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

create objects of class Line or Lines
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
SpatialGrid-class

Class "SpatialGrid" ~~~
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
SpatialLinesDataFrame-class

a class for spatial lines with attributes
Rlogo

Rlogo jpeg image
SpatialPixels-class

Class "SpatialPixels" ~~~
sp

A package providing classes and methods for spatial data: points, lines, polygons and grids
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
bpy.colors

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

define spatial grid with attribute data
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
SpatialPoints-class

Class "SpatialPoints" ~~~
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
GridTopology-class

Class "GridTopology" ~~~
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
bubble

Create a bubble plot of spatial data
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
Spatial-class

Class "Spatial"
Lines-class

Class "Lines"
SpatialPixels

define spatial grid
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~
Polygon-class

Class "Polygon"
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
gridded-methods

specify spatial data as being gridded, or find out whether they are
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
image.SpatialGridDataFrame

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

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

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
spsample

sample point locations in (or on) a spatial object
degAxis

axis with degrees
overlay

spatial overlay for points, grids and polygons
Line-class

Class "Line"
Polygons-class

Class "Polygons"
flip

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

Meuse river data set
coordnames-methods

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

consistent spatial overlay for points, grids and polygons
meuse.riv

River Meuse outline
zerodist

find point pairs with equal spatial coordinates
panel.spplot

panel and panel utility functions for spplot
char2dms

Convert character vector to DMS-class object
select.spatial

select points spatially
recenter-methods

Methods for Function recenter in Package `sp'
gridlines

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

retrieve (or set) spatial coordinates
point.in.polygon

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

Display a compass rose.
spDistsN1

Euclidean or Great Circle distance between points
surfaceArea

Compute surface area of a digital elevation model.
mapasp

Calculate aspect ratio for plotting geographic maps
dimensions-methods

retrieve spatial dimensions from spatial data
loadMeuse

load the Meuse data set
stack

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
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
meuse.grid

Prediction Grid for Meuse Data Set
nowrapSpatialLines

Split SpatialLines components at offset
spplot

Plot methods for spatial data with attributes
spChFIDs-methods

change feature IDs in spatial objects