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sp (version 1.0-17)

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

1.0-17

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

January 8th, 2015

Functions in sp (1.0-17)

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

Class "CRS" of coordinate reference system arguments

Class "Polygon"

SpatialPolygons-class

Class "SpatialPolygons"

addAttrToGeom-methods

constructs SpatialXxxDataFrame from geometry and attributes

create objects of class SpatialPoints or SpatialPointsDataFrame

coordinates-methods

retrieve (or set) spatial coordinates

blue-pink-yellow color scheme, which also prints well on black/white printers

Class "Spatial"

Compute surface area of a digital elevation model.

Rlogo jpeg image

set spatial coordinates to create a Spatial object, or retrieve spatial coordinates from a Spatial object

retrieve bbox from spatial data

GridTopology-class

Class "GridTopology"

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"

select points spatially

read/write to/from (ESRI) asciigrid format

Create a bubble plot of spatial data

create objects of class Line or Lines

Prediction Grid for Meuse Data Set

SpatialPixelsDataFrame

define spatial grid with attribute data

as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object

geometry-methods

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

SpatialLines-class

a class for spatial lines

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

Class "Polygons"

create neighbourhood (nb) object from grid geometry

River Meuse outline

SpatialPixels-class

Class "SpatialPixels"

axis with degrees

SpatialLinesDataFrame-class

a class for spatial lines with attributes

define spatial grid

SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"

Convert character vector to DMS-class object

Display a compass rose.

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

Plot methods for spatial data with attributes

consistent spatial overlay for points, grids and polygons

SpatialPoints-class

Class "SpatialPoints"

Sets or retrieves projection attributes on classes extending SpatialData

dimensions-methods

retrieve spatial dimensions from spatial data

spTransform for map projection and datum transformation

SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame"

recenter-methods

Methods for Function recenter in Package `sp'

SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame

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

SpatialGrid-class

Class "SpatialGrid"

Deprecated functions in sp

Meuse river data set

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

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

Prediction Grid for Meuse Data Set, geographical coordinates

disaggregate-methods

disaggregate SpatialLines, SpatialLinesDataFrame, SpatialPolygons, or SpatialPolygonsDataFrame objects

polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object

nowrapSpatialLines

Split SpatialLines components at offset

point.in.polygon

do point(s) fall in a given polygon?

gridded-methods

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

deprecated function to load the Meuse data set

spChFIDs-methods

change feature IDs in spatial objects

find point pairs with equal spatial coordinates

panel and panel utility functions for spplot

as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects

create objects of class SpatialLines or SpatialLinesDataFrame

aggregation of spatial objects

image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image

coordnames-methods

retrieve or assign coordinate names for classes in sp

Euclidean or Great Circle distance between points

Merge a Spatial* object having attributes with a data.frame

SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"

sample point locations in (or on) a spatial object

Calculate aspect ratio for plotting geographic maps; create nice degree axis labels