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sp (version 0.9-36)

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

0.9-36

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

April 29th, 2009

Functions in sp (0.9-36)

GridTopology-class

Class "GridTopology" ~~~

Class "Spatial"

Rlogo jpeg image

panel and panel utility functions for spplot

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

retrieve bbox from spatial data

Convert character vector to DMS-class object

coordnames-methods

retrieve or assign coordinate names for classes in sp

Prediction Grid for Meuse Data Set, geographical coordinates

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

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"

as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects

read/write to/from (ESRI) asciigrid format

SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"

SpatialLines-class

a class for spatial lines

dimensions-methods

retrieve spatial dimensions from spatial data

SpatialPixelsDataFrame

define spatial grid with attribute data

Create a bubble plot of spatial data

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

select points spatially

SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame

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

polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object

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

SpatialPixels-class

Class "SpatialPixels" ~~~

Calculate aspect ratio for plotting geographic maps

River Meuse outline

find point pairs with equal spatial coordinates

Euclidean or Great Circle distance between points

overlay-methods

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

SpatialGrid-class

Class "SpatialGrid" ~~~

axis with degrees

recenter-methods

Methods for Function recenter in Package `sp'

create objects of class Line or Lines

image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image

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

SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~

Sets or retrieves projection attributes on classes extending SpatialData

create objects of class SpatialPoints or SpatialPointsDataFrame

sample point locations in (or on) a spatial object

define spatial grid

SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"

nowrapSpatialLines

Split SpatialLines components at offset

Meuse river data set

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

Prediction Grid for Meuse Data Set

SpatialLinesDataFrame-class

a class for spatial lines with attributes

SpatialPolygons-class

Class "SpatialPolygons"

gridded-methods

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

Class "Polygons"

create objects of class SpatialLines or SpatialLinesDataFrame

coordinates-methods

retrieve (or set) spatial coordinates

Class "CRS" of coordinate reference system arguments

Class "Polygon"

spatial overlay for points, grids and polygons

SpatialPoints-class

Class "SpatialPoints" ~~~

as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object

point.in.polygon

do point(s) fall in a given polygon?

Plot methods for spatial data with attributes