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sp (version 1.0-0)

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

1.0-0

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

September 30th, 2012

Functions in sp (1.0-0)

Polygons-class

Class "Polygons"
SpatialPoints-class

Class "SpatialPoints"
Line-class

Class "Line"
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
SpatialPixels

define spatial grid
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
SpatialLinesDataFrame-class

a class for spatial lines with attributes
CRS-class

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

Class "Spatial"
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
gridlines

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

Class "SpatialPixelsDataFrame"
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
SpatialLines-class

a class for spatial lines
select.spatial

select points spatially
Polygon-class

Class "Polygon"
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
SpatialPixelsDataFrame

define spatial grid with attribute data
sp

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

Calculate aspect ratio for plotting geographic maps
meuse

Meuse river data set
SpatialPolygons-class

Class "SpatialPolygons"
geometry-methods

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

load the Meuse data set
Line

create objects of class Line or Lines
addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes
meuse.grid_ll

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

Class "SpatialGridDataFrame"
GridTopology-class

Class "GridTopology"
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
DMS-class

Class "DMS" for degree, minute, decimal second values
overlay-methods

Methods for spatially overlay-ing points (grids) and polygons layers
bpy.colors

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

retrieve bbox from spatial data
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
polygons

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
meuse.grid

Prediction Grid for Meuse Data Set
point.in.polygon

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

River Meuse outline
nowrapSpatialLines

Split SpatialLines components at offset
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
image.SpatialGridDataFrame

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

Compute surface area of a digital elevation model.
bubble

Create a bubble plot of spatial data
spDistsN1

Euclidean or Great Circle distance between points
spplot

Plot methods for spatial data with attributes
gridIndex2nb

create neighbourhood (nb) object from grid geometry
degAxis

axis with degrees
flip

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

spatial overlay for points, grids and polygons
Rlogo

Rlogo jpeg image
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
stack

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

read/write to/from (ESRI) asciigrid format
SpatialPixels-class

Class "SpatialPixels"
SpatialGrid-class

Class "SpatialGrid"
dimensions-methods

retrieve spatial dimensions from spatial data
recenter-methods

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

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

retrieve or assign coordinate names for classes in sp
Lines-class

Class "Lines"
panel.spplot

panel and panel utility functions for spplot
spChFIDs-methods

change feature IDs in spatial objects
zerodist

find point pairs with equal spatial coordinates
coordinates-methods

retrieve (or set) spatial coordinates
char2dms

Convert character vector to DMS-class object
compassRose

Display a compass rose.
spsample

sample point locations in (or on) a spatial object