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sp (version 0.9-75)

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

0.9-75

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

December 13th, 2010

Functions in sp (0.9-75)

Line-class

Class "Line"
Rlogo

Rlogo jpeg image
Line

create objects of class Line or Lines
nowrapSpatialLines

Split SpatialLines components at offset
char2dms

Convert character vector to DMS-class object
coordinates

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

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

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

Class "Polygon"
SpatialLines-class

a class for spatial lines
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
mapasp

Calculate aspect ratio for plotting geographic maps
gridlines

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

Class "CRS" of coordinate reference system arguments
point.in.polygon

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

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
SpatialPixelsDataFrame

define spatial grid with attribute data
SpatialPixels-class

Class "SpatialPixels" ~~~
panel.spplot

panel and panel utility functions for spplot
sp

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

Class "SpatialPolygonsDataFrame"
coordnames-methods

retrieve or assign coordinate names for classes in sp
meuse.grid_ll

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

Class "SpatialPoints" ~~~
SpatialLinesDataFrame-class

a class for spatial lines with attributes
compassRose

Display a compass rose.
stack

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

Class "SpatialGridDataFrame"
spsample

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

retrieve bbox from spatial data
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
meuse.riv

River Meuse outline
image.SpatialGridDataFrame

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

Class "SpatialGrid" ~~~
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
geometry-methods

Methods for retrieving the geometry from a composite (geometry + attributes) object
GridTopology-class

Class "GridTopology" ~~~
DMS-class

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

Plot methods for spatial data with attributes
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
overlay

spatial overlay for points, grids and polygons
Spatial-class

Class "Spatial"
Lines-class

Class "Lines"
select.spatial

select points spatially
SpatialPolygons-class

Class "SpatialPolygons"
overlay-methods

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

define spatial grid
dimensions-methods

retrieve spatial dimensions from spatial data
meuse

Meuse river data set
recenter-methods

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

change feature IDs in spatial objects
degAxis

axis with degrees
surfaceArea

Compute surface area of a digital elevation model.
spDistsN1

Euclidean or Great Circle distance between points
loadMeuse

load the Meuse data set
Polygons-class

Class "Polygons"
bubble

Create a bubble plot of spatial data
zerodist

find point pairs with equal spatial coordinates
read.asciigrid

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

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

create objects of class SpatialLines or SpatialLinesDataFrame
meuse.grid

Prediction Grid for Meuse Data Set
coordinates-methods

retrieve (or set) spatial coordinates
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~
flip

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

consistent spatial overlay for points, grids and polygons