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sp (version 0.9-62)

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

198,490

Version

0.9-62

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

April 18th, 2010

Functions in sp (0.9-62)

CRS-class

Class "CRS" of coordinate reference system arguments
nowrapSpatialLines

Split SpatialLines components at offset
Lines-class

Class "Lines"
compassRose

Display a compass rose.
SpatialPolygons-class

Class "SpatialPolygons"
DMS-class

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

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

find point pairs with equal spatial coordinates
bpy.colors

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

define spatial grid with attribute data
SpatialLinesDataFrame-class

a class for spatial lines with attributes
SpatialPixels-class

Class "SpatialPixels" ~~~
SpatialPoints-class

Class "SpatialPoints" ~~~
GridTopology-class

Class "GridTopology" ~~~
coordinates-methods

retrieve (or set) spatial coordinates
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
polygons

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

Create a bubble plot of spatial data
select.spatial

select points spatially
SpatialPixels

define spatial grid
sp

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

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

Class "Line"
SpatialLines-class

a class for spatial lines
char2dms

Convert character vector to DMS-class object
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
Line

create objects of class Line or Lines
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
loadMeuse

load the Meuse data set
coordnames-methods

retrieve or assign coordinate names for classes in sp
Rlogo

Rlogo jpeg image
point.in.polygon

do point(s) fall in a given polygon?
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
Polygons-class

Class "Polygons"
meuse

Meuse river data set
degAxis

axis with degrees
Polygon-class

Class "Polygon"
panel.spplot

panel and panel utility functions for spplot
flip

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

Plot methods for spatial data with attributes
image.SpatialGridDataFrame

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

change feature IDs in spatial objects
spDistsN1

Euclidean or Great Circle distance between points
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
mapasp

Calculate aspect ratio for plotting geographic maps
meuse.grid

Prediction Grid for Meuse Data Set
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~
read.asciigrid

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

specify spatial data as being gridded, or find out whether they are
overlay-methods

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

retrieve bbox from spatial data
gridlines

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

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

Retrieve polygons from SpatialPolygonsDataFrame object
recenter-methods

Methods for Function recenter in Package `sp'
spsample

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

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

spatial overlay for points, grids and polygons
SpatialGrid-class

Class "SpatialGrid" ~~~
Spatial-class

Class "Spatial"
dimensions-methods

retrieve spatial dimensions from spatial data
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
meuse.riv

River Meuse outline
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame