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sp (version 0.9-32)

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

0.9-32

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

February 1st, 2025

Functions in sp (0.9-32)

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

SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame

coordinates-methods

retrieve (or set) spatial coordinates

coordnames-methods

retrieve or assign coordinate names for classes in sp

select points spatially

Class "CRS" of coordinate reference system arguments

SpatialGrid-class

Class "SpatialGrid" ~~~

as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object

SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~

dimensions-methods

retrieve spatial dimensions from spatial data

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

SpatialPoints-class

Class "SpatialPoints" ~~~

SpatialLinesDataFrame-class

a class for spatial lines with attributes

axis with degrees

Convert character vector to DMS-class object

Rlogo jpeg image

Prediction Grid for Meuse Data Set, geographical coordinates

image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image

Prediction Grid for Meuse Data Set

Euclidean or Great Circle distance between points

point.in.polygon

do point(s) fall in a given polygon?

Meuse river data set

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

Create a bubble plot of spatial data

read/write to/from (ESRI) asciigrid format

polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"

gridded-methods

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

SpatialPixelsDataFrame

define spatial grid with attribute data

Calculate aspect ratio for plotting geographic maps

create objects of class Line or Lines

recenter-methods

Methods for Function recenter in Package `sp'

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

SpatialPixels-class

Class "SpatialPixels" ~~~

SpatialLines-class

a class for spatial lines

spatial overlay for points, grids and polygons

SpatialPolygons-class

Class "SpatialPolygons"

find point pairs with equal spatial coordinates

GridTopology-class

Class "GridTopology" ~~~

retrieve bbox from spatial data

SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"

overlay-methods

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

as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects

SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"

panel and panel utility functions for spplot

Plot methods for spatial data with attributes

create objects of class SpatialPoints or SpatialPointsDataFrame

River Meuse outline

Class "Spatial"

create objects of class SpatialLines or SpatialLinesDataFrame

sample point locations in (or on) a spatial object

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

Class "Polygons"

nowrapSpatialLines

Split SpatialLines components at offset

define spatial grid

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

Class "Polygon"

Sets or retrieves projection attributes on classes extending SpatialData

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