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sp (version 0.9-90)

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

0.9-90

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

October 17th, 2011

Functions in sp (0.9-90)

compassRose

Display a compass rose.
read.asciigrid

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

consistent spatial overlay for points, grids and polygons
geometry-methods

Methods for retrieving the geometry from a composite (geometry + attributes) object
mapasp

Calculate aspect ratio for plotting geographic maps
panel.spplot

panel and panel utility functions for spplot
Line-class

Class "Line"
surfaceArea

Compute surface area of a digital elevation model.
Line

create objects of class Line or Lines
flip

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

find point pairs with equal spatial coordinates
select.spatial

select points spatially
point.in.polygon

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

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

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

Class "Lines"
Spatial-class

Class "Spatial"
DMS-class

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

Class "CRS" of coordinate reference system arguments
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
Rlogo

Rlogo jpeg image
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
Polygon-class

Class "Polygon"
GridTopology-class

Class "GridTopology"
SpatialGrid-class

Class "SpatialGrid"
char2dms

Convert character vector to DMS-class object
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
SpatialPixels

define spatial grid
SpatialPixelsDataFrame

define spatial grid with attribute data
meuse

Meuse river data set
loadMeuse

load the Meuse data set
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
SpatialLinesDataFrame-class

a class for spatial lines with attributes
meuse.grid

Prediction Grid for Meuse Data Set
dimensions-methods

retrieve spatial dimensions from spatial data
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
gridlines

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

spatial overlay for points, grids and polygons
spplot

Plot methods for spatial data with attributes
sp

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

a class for spatial lines
bpy.colors

blue-pink-yellow color scheme that prints well on black/white printers
image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image
SpatialPoints-class

Class "SpatialPoints"
meuse.riv

River Meuse outline
bubble

Create a bubble plot of spatial data
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
Polygons-class

Class "Polygons"
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
coordnames-methods

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

constructs SpatialXxxDataFrame from geometry and attributes
meuse.grid_ll

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

specify spatial data as being gridded, or find out whether they are
spDistsN1

Euclidean or Great Circle distance between points
polygons

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
overlay-methods

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

change feature IDs in spatial objects
SpatialPixels-class

Class "SpatialPixels"
bbox-methods

retrieve bbox from spatial data
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
nowrapSpatialLines

Split SpatialLines components at offset
recenter-methods

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

Retrieve polygons from SpatialPolygonsDataFrame object
SpatialPolygons-class

Class "SpatialPolygons"
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"
degAxis

axis with degrees
coordinates-methods

retrieve (or set) spatial coordinates
coordinates

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

Sets or retrieves projection attributes on classes extending SpatialData