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sp (version 0.9-56)

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

187,279

Version

0.9-56

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

January 13th, 2010

Functions in sp (0.9-56)

SpatialPoints-class

Class "SpatialPoints" ~~~
SpatialPixels-class

Class "SpatialPixels" ~~~
Lines-class

Class "Lines"
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~
Line

create objects of class Line or Lines
SpatialPixelsDataFrame

define spatial grid with attribute data
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
DMS-class

Class "DMS" for degree, minute, decimal second values
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
spChFIDs-methods

change feature IDs in spatial objects
Spatial-class

Class "Spatial"
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
SpatialPolygons-class

Class "SpatialPolygons"
SpatialGrid-class

Class "SpatialGrid" ~~~
image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image
bbox-methods

retrieve bbox from spatial data
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
Polygon-class

Class "Polygon"
Line-class

Class "Line"
spsample

sample point locations in (or on) a spatial object
coordnames-methods

retrieve or assign coordinate names for classes in sp
mapasp

Calculate aspect ratio for plotting geographic maps
bubble

Create a bubble plot of spatial data
meuse.grid

Prediction Grid for Meuse Data Set
meuse.riv

River Meuse outline
SpatialPixels

define spatial grid
polygons

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

Split SpatialLines components at offset
coordinates

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

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

a class for spatial lines
is.projected

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

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

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

Rlogo jpeg image
overlay

spatial overlay for points, grids and polygons
read.asciigrid

read/write to/from (ESRI) asciigrid format
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
recenter-methods

Methods for Function recenter in Package `sp'
degAxis

axis with degrees
bpy.colors

blue-pink-yellow color scheme that prints well on black/white printers
char2dms

Convert character vector to DMS-class object
point.in.polygon

do point(s) fall in a given polygon?
coordinates-methods

retrieve (or set) spatial coordinates
Polygons-class

Class "Polygons"
meuse

Meuse river data set
spplot

Plot methods for spatial data with attributes
spDistsN1

Euclidean or Great Circle distance between points
dimensions-methods

retrieve spatial dimensions from spatial data
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
select.spatial

select points spatially
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
zerodist

find point pairs with equal spatial coordinates
SpatialLinesDataFrame-class

a class for spatial lines with attributes
gridlines

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

specify spatial data as being gridded, or find out whether they are
GridTopology-class

Class "GridTopology" ~~~
panel.spplot

panel and panel utility functions for spplot
sp

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

Retrieve polygons from SpatialPolygonsDataFrame object
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
stack

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