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sp (version 0.9-17)

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

0.9-17

License

GPL (>= 2)

Maintainer

Edzer Pebesma

Last Published

February 1st, 2025

Functions in sp (0.9-17)

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

Class "CRS" of coordinate reference system arguments

Rlogo jpeg image

coordnames-methods

retrieve or assign coordinate names for classes in sp

axis with degrees

SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~

create objects of class Line or Lines

read/write to/from (ESRI) asciigrid format

GridTopology-class

Class "GridTopology" ~~~

create objects of class SpatialPoints or SpatialPointsDataFrame

Class "Spatial"

SpatialLines-class

a class for spatial lines

recenter-methods

Methods for Function recenter in Package `sp'

Convert character vector to DMS-class object

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"

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

find point pairs with equal spatial coordinates

Calculate aspect ratio for plotting geographic maps

create objects of class SpatialLines or SpatialLinesDataFrame

define spatial grid

SpatialGrid-class

Class "SpatialGrid" ~~~

coordinates-methods

retrieve (or set) spatial coordinates

SpatialPixels-class

Class "SpatialPixels" ~~~

SpatialPixelsDataFrame

define spatial grid with attribute data

overlay-methods

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

SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame

spatial overlay for points, grids and polygons

River Meuse outline

sample point locations in (or on) a spatial object

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

SpatialPoints-class

Class "SpatialPoints" ~~~

Sets or retrieves projection attributes on classes extending SpatialData

panel and panel utility functions for spplot

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

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

Plot methods for spatial data with attributes

Prediction Grid for Meuse Data Set

nowrapSpatialLines

Split SpatialLines components at offset

as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects

gridded-methods

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

point.in.polygon

do point(s) fall in a given polygon?

SpatialPolygons-class

Class "SpatialPolygons"

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

SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"

image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image

Meuse river data set

Create a bubble plot of spatial data

select points spatially

SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"

Class "Polygons"

as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object

retrieve bbox from spatial data

Euclidean or Great Circle distance between points

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

dimensions-methods

retrieve spatial dimensions from spatial data

polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object

Class "Polygon"

SpatialLinesDataFrame-class

a class for spatial lines with attributes