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sp (version 0.9-24)

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

0.9-24

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

February 1st, 2025

Functions in sp (0.9-24)

Class "CRS" of coordinate reference system arguments

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

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

Class "Polygons"

SpatialLines-class

a class for spatial lines

SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame

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

SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"

SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~

coordinates-methods

retrieve (or set) spatial coordinates

SpatialPolygons-class

Class "SpatialPolygons"

create objects of class SpatialPoints or SpatialPointsDataFrame

SpatialPoints-class

Class "SpatialPoints" ~~~

SpatialPixelsDataFrame

define spatial grid with attribute data

create objects of class Line or Lines

as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects

Class "Polygon"

Rlogo jpeg image

read/write to/from (ESRI) asciigrid format

SpatialGrid-class

Class "SpatialGrid" ~~~

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"

Create a bubble plot of spatial data

GridTopology-class

Class "GridTopology" ~~~

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

Calculate aspect ratio for plotting geographic maps

Prediction Grid for Meuse Data Set

retrieve bbox from spatial data

Euclidean or Great Circle distance between points

River Meuse outline

SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"

SpatialPixels-class

Class "SpatialPixels" ~~~

polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object

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

point.in.polygon

do point(s) fall in a given polygon?

Sets or retrieves projection attributes on classes extending SpatialData

as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object

panel and panel utility functions for spplot

recenter-methods

Methods for Function recenter in Package `sp'

Class "Spatial"

image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image

select points spatially

create objects of class SpatialLines or SpatialLinesDataFrame

find point pairs with equal spatial coordinates

nowrapSpatialLines

Split SpatialLines components at offset

Convert character vector to DMS-class object

overlay-methods

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

Meuse river data set

spatial overlay for points, grids and polygons

axis with degrees

define spatial grid

SpatialLinesDataFrame-class

a class for spatial lines with attributes

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

Plot methods for spatial data with attributes

coordnames-methods

retrieve or assign coordinate names for classes in sp

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

sample point locations in (or on) a spatial object

dimensions-methods

retrieve spatial dimensions from spatial data

gridded-methods

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