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sp (version 0.9-99)

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

0.9-99

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

May 2nd, 2012

Functions in sp (0.9-99)

SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"
SpatialLines-class

a class for spatial lines
SpatialPixelsDataFrame

define spatial grid with attribute data
read.asciigrid

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

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

retrieve (or set) spatial coordinates
zerodist

find point pairs with equal spatial coordinates
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
stack

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

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

axis with degrees
SpatialPixels-class

Class "SpatialPixels"
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
SpatialPixels

define spatial grid
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
bbox-methods

retrieve bbox from spatial data
char2dms

Convert character vector to DMS-class object
dimensions-methods

retrieve spatial dimensions from spatial data
Line

create objects of class Line or Lines
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
panel.spplot

panel and panel utility functions for spplot
coordinates

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

Class "Line"
point.in.polygon

do point(s) fall in a given polygon?
Polygon-class

Class "Polygon"
CRS-class

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

Class "SpatialGridDataFrame"
select.spatial

select points spatially
Rlogo

Rlogo jpeg image
SpatialLinesDataFrame-class

a class for spatial lines with attributes
SpatialGrid-class

Class "SpatialGrid"
mapasp

Calculate aspect ratio for plotting geographic maps
meuse.grid

Prediction Grid for Meuse Data Set
overlay

spatial overlay for points, grids and polygons
Polygons-class

Class "Polygons"
SpatialPolygons-class

Class "SpatialPolygons"
gridIndex2nb

create neighbourhood (nb) object from grid geometry
overlay-methods

Methods for spatially overlay-ing points (grids) and polygons layers
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
polygons

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

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

Display a compass rose.
GridTopology-class

Class "GridTopology"
image.SpatialGridDataFrame

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

Methods for Function recenter in Package `sp'
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
coordnames-methods

retrieve or assign coordinate names for classes in sp
bubble

Create a bubble plot of spatial data
geometry-methods

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

consistent spatial overlay for points, grids and polygons
spplot

Plot methods for spatial data with attributes
Spatial-class

Class "Spatial"
spChFIDs-methods

change feature IDs in spatial objects
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
gridded-methods

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

Meuse river data set
sp

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

Class "Lines"
meuse.riv

River Meuse outline
loadMeuse

load the Meuse data set
SpatialPoints-class

Class "SpatialPoints"
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
flip

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

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

Compute surface area of a digital elevation model.
nowrapSpatialLines

Split SpatialLines components at offset
spDistsN1

Euclidean or Great Circle distance between points