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sp (version 0.9-77)

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

0.9-77

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

February 21st, 2011

Functions in sp (0.9-77)

as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
coordinates

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

Class "SpatialPointsDataFrame"
CRS-class

Class "CRS" of coordinate reference system arguments
nowrapSpatialLines

Split SpatialLines components at offset
meuse.grid

Prediction Grid for Meuse Data Set
meuse.riv

River Meuse outline
bpy.colors

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

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

Retrieve polygons from SpatialPolygonsDataFrame object
loadMeuse

load the Meuse data set
GridTopology-class

Class "GridTopology" ~~~
Polygons-class

Class "Polygons"
point.in.polygon

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

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

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
SpatialGrid-class

Class "SpatialGrid" ~~~
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~
Polygon-class

Class "Polygon"
Line

create objects of class Line or Lines
SpatialLinesDataFrame-class

a class for spatial lines with attributes
dimensions-methods

retrieve spatial dimensions from spatial data
SpatialPoints-class

Class "SpatialPoints" ~~~
Rlogo

Rlogo jpeg image
Line-class

Class "Line"
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
spplot

Plot methods for spatial data with attributes
SpatialPolygons-class

Class "SpatialPolygons"
panel.spplot

panel and panel utility functions for spplot
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
SpatialPixels-class

Class "SpatialPixels" ~~~
read.asciigrid

read/write to/from (ESRI) asciigrid format
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
Lines-class

Class "Lines"
bubble

Create a bubble plot of spatial data
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
compassRose

Display a compass rose.
gridlines

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

find point pairs with equal spatial coordinates
recenter-methods

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

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

Class "SpatialPolygonsDataFrame"
coordinates-methods

retrieve (or set) spatial coordinates
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
stack

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

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

retrieve or assign coordinate names for classes in sp
spDistsN1

Euclidean or Great Circle distance between points
SpatialPixels

define spatial grid
over-methods

consistent spatial overlay for points, grids and polygons
degAxis

axis with degrees
select.spatial

select points spatially
overlay

spatial overlay for points, grids and polygons
image.SpatialGridDataFrame

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

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

Convert character vector to DMS-class object
surfaceArea

Compute surface area of a digital elevation model.
mapasp

Calculate aspect ratio for plotting geographic maps
spChFIDs-methods

change feature IDs in spatial objects
spsample

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

Class "Spatial"
SpatialLines-class

a class for spatial lines
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
SpatialPixelsDataFrame

define spatial grid with attribute data
bbox-methods

retrieve bbox from spatial data
geometry-methods

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

Meuse river data set
gridded-methods

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