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sp (version 0.9-91)

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

0.9-91

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

October 23rd, 2011

Functions in sp (0.9-91)

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

Meuse river data set

Plot methods for spatial data with attributes

addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes

River Meuse outline

load the Meuse data set

create objects of class SpatialLines or SpatialLinesDataFrame

SpatialPoints-class

Class "SpatialPoints"

create objects of class Line or Lines

SpatialPixelsDataFrame

define spatial grid with attribute data

SpatialLinesDataFrame-class

a class for spatial lines with attributes

as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object

SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"

geometry-methods

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

Convert character vector to DMS-class object

SpatialPolygons-class

Class "SpatialPolygons"

SpatialLines-class

a class for spatial lines

image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image

Class "Polygon"

sample point locations in (or on) a spatial object

Sets or retrieves projection attributes on classes extending SpatialData

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

consistent spatial overlay for points, grids and polygons

Compute surface area of a digital elevation model.

Class "CRS" of coordinate reference system arguments

coordinates-methods

retrieve (or set) spatial coordinates

create objects of class SpatialPoints or SpatialPointsDataFrame

SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame

GridTopology-class

Class "GridTopology"

Calculate aspect ratio for plotting geographic maps

polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"

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

Class "Spatial"

find point pairs with equal spatial coordinates

read/write to/from (ESRI) asciigrid format

Prediction Grid for Meuse Data Set

spatial overlay for points, grids and polygons

overlay-methods

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

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

SpatialGrid-class

Class "SpatialGrid"

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

as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects

Prediction Grid for Meuse Data Set, geographical coordinates

select points spatially

retrieve bbox from spatial data

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

SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"

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

nowrapSpatialLines

Split SpatialLines components at offset

recenter-methods

Methods for Function recenter in Package `sp'

panel and panel utility functions for spplot

gridded-methods

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

Euclidean or Great Circle distance between points

point.in.polygon

do point(s) fall in a given polygon?

Display a compass rose.

Rlogo jpeg image

Class "Polygons"

axis with degrees

coordnames-methods

retrieve or assign coordinate names for classes in sp

dimensions-methods

retrieve spatial dimensions from spatial data

spChFIDs-methods

change feature IDs in spatial objects

SpatialPixels-class

Class "SpatialPixels"

SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"

Create a bubble plot of spatial data

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

define spatial grid