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sp (version 0.9-79)

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

0.9-79

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

March 14th, 2011

Functions in sp (0.9-79)

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
nowrapSpatialLines

Split SpatialLines components at offset
Polygon-class

Class "Polygon"
SpatialGrid-class

Class "SpatialGrid"
loadMeuse

load the Meuse data set
dimensions-methods

retrieve spatial dimensions from spatial data
CRS-class

Class "CRS" of coordinate reference system arguments
bpy.colors

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

Class "SpatialPointsDataFrame"
meuse

Meuse river data set
Spatial-class

Class "Spatial"
over-methods

consistent spatial overlay for points, grids and polygons
SpatialPolygons-class

Class "SpatialPolygons"
bubble

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

Make SpatialPolygons object from GridTopology object
mapasp

Calculate aspect ratio for plotting geographic maps
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
image.SpatialGridDataFrame

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

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

Class "Lines"
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
geometry-methods

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

spatial overlay for points, grids and polygons
Rlogo

Rlogo jpeg image
zerodist

find point pairs with equal spatial coordinates
sp

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

define spatial grid with attribute data
coordnames-methods

retrieve or assign coordinate names for classes in sp
Line

create objects of class Line or Lines
SpatialPixels-class

Class "SpatialPixels"
bbox-methods

retrieve bbox from spatial data
Polygons-class

Class "Polygons"
meuse.riv

River Meuse outline
surfaceArea

Compute surface area of a digital elevation model.
spplot

Plot methods for spatial data with attributes
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
select.spatial

select points spatially
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
coordinates

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
char2dms

Convert character vector to DMS-class object
coordinates-methods

retrieve (or set) spatial coordinates
point.in.polygon

do point(s) fall in a given polygon?
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
SpatialPixels

define spatial grid
meuse.grid

Prediction Grid for Meuse Data Set
SpatialLines-class

a class for spatial lines
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
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
spDistsN1

Euclidean or Great Circle distance between points
DMS-class

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

Display a compass rose.
SpatialLinesDataFrame-class

a class for spatial lines with attributes
read.asciigrid

read/write to/from (ESRI) asciigrid format
panel.spplot

panel and panel utility functions for spplot
flip

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

axis with degrees
recenter-methods

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

Methods for spatially overlay-ing points (grids) and polygons layers
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
spsample

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

Class "GridTopology"
stack

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

Class "Line"
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
SpatialPoints-class

Class "SpatialPoints"
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"
spChFIDs-methods

change feature IDs in spatial objects