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sp (version 0.9-78)

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

172,974

Version

0.9-78

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

February 23rd, 2011

Functions in sp (0.9-78)

GridTopology-class

Class "GridTopology"
CRS-class

Class "CRS" of coordinate reference system arguments
gridlines

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

Prediction Grid for Meuse Data Set
Polygon-class

Class "Polygon"
spsample

sample point locations in (or on) a spatial object
Line-class

Class "Line"
bubble

Create a bubble plot of spatial data
coordinates-methods

retrieve (or set) spatial coordinates
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
SpatialGrid-class

Class "SpatialGrid"
recenter-methods

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

retrieve spatial dimensions from spatial data
Polygons-class

Class "Polygons"
Line

create objects of class Line or Lines
Lines-class

Class "Lines"
select.spatial

select points spatially
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
SpatialLines-class

a class for spatial lines
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
coordinates

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
overlay

spatial overlay for points, grids and polygons
spChFIDs-methods

change feature IDs in spatial objects
loadMeuse

load the Meuse data set
over-methods

consistent spatial overlay for points, grids and polygons
SpatialPixels

define spatial grid
SpatialPixelsDataFrame

define spatial grid with attribute data
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
coordnames-methods

retrieve or assign coordinate names for classes in sp
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"
read.asciigrid

read/write to/from (ESRI) asciigrid format
char2dms

Convert character vector to DMS-class object
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
mapasp

Calculate aspect ratio for plotting geographic maps
compassRose

Display a compass rose.
meuse.riv

River Meuse outline
degAxis

axis with degrees
polygons

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
image.SpatialGridDataFrame

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

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

create objects of class SpatialPoints or SpatialPointsDataFrame
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
sp

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

panel and panel utility functions for spplot
spDistsN1

Euclidean or Great Circle distance between points
surfaceArea

Compute surface area of a digital elevation model.
zerodist

find point pairs with equal spatial coordinates
meuse

Meuse river data set
nowrapSpatialLines

Split SpatialLines components at offset
stack

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

Class "SpatialPoints"
DMS-class

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

Class "Spatial"
bpy.colors

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

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
bbox-methods

retrieve bbox from spatial data
SpatialLinesDataFrame-class

a class for spatial lines with attributes
point.in.polygon

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

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

Rlogo jpeg image
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
geometry-methods

Methods for retrieving the geometry from a composite (geometry + attributes) object
gridded-methods

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

Plot methods for spatial data with attributes
SpatialPixels-class

Class "SpatialPixels"
SpatialPolygons-class

Class "SpatialPolygons"
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"