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sp (version 0.9-86)

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

0.9-86

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

September 11th, 2011

Functions in sp (0.9-86)

SpatialPixels

define spatial grid
point.in.polygon

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

axis with degrees
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
Line-class

Class "Line"
SpatialLines-class

a class for spatial lines
surfaceArea

Compute surface area of a digital elevation model.
Polygons-class

Class "Polygons"
geometry-methods

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

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

rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
char2dms

Convert character vector to DMS-class object
meuse.grid_ll

Prediction Grid for Meuse Data Set, geographical coordinates
dimensions-methods

retrieve spatial dimensions from spatial data
spplot

Plot methods for spatial data with attributes
overlay

spatial overlay for points, grids and polygons
coordnames-methods

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

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

consistent spatial overlay for points, grids and polygons
bpy.colors

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

Class "SpatialPolygonsDataFrame"
coordinates-methods

retrieve (or set) spatial coordinates
SpatialPixelsDataFrame

define spatial grid with attribute data
nowrapSpatialLines

Split SpatialLines components at offset
SpatialPoints-class

Class "SpatialPoints"
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"
meuse.grid

Prediction Grid for Meuse Data Set
gridlines

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

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

Class "GridTopology"
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
meuse.riv

River Meuse outline
overlay-methods

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

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

find point pairs with equal spatial coordinates
image.SpatialGridDataFrame

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

constructs SpatialXxxDataFrame from geometry and attributes
stack

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

Class "Lines"
Polygon-class

Class "Polygon"
SpatialLinesDataFrame-class

a class for spatial lines with attributes
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
Line

create objects of class Line or Lines
spChFIDs-methods

change feature IDs in spatial objects
bubble

Create a bubble plot of spatial data
spDistsN1

Euclidean or Great Circle distance between points
mapasp

Calculate aspect ratio for plotting geographic maps
polygons

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

Class "SpatialGrid"
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
panel.spplot

panel and panel utility functions for spplot
meuse

Meuse river data set
CRS-class

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

Class "SpatialPolygons"
select.spatial

select points spatially
SpatialPixels-class

Class "SpatialPixels"
read.asciigrid

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

Rlogo jpeg image
loadMeuse

load the Meuse data set
bbox-methods

retrieve bbox from spatial data
recenter-methods

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

Retrieve polygons from SpatialPolygonsDataFrame object
Spatial-class

Class "Spatial"
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
compassRose

Display a compass rose.
spsample

sample point locations in (or on) a spatial object