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sp (version 0.8-3)

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

0.8-3

License

GPL version 2 or later

Maintainer

Edzer Pebesma

Last Published

February 1st, 2025

Functions in sp (0.8-3)

create objects of class Line or Lines

create objects of class SpatialLines or SpatialLinesDataFrame

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

read/write to/from (ESRI) asciigrid format

axis with degrees

dimensions-methods

retrieve spatial dimensions from spatial data

SpatialPixels-class

Class "SpatialPixels" ~~~

Class "Polygon"

Calculate aspect ratio for plotting geographic maps

as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects

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

Plot methods for spatial data with attributes

sample point locations in (or on) a spatial object

coordnames-methods

retrieve or assign coordinate names for classes in sp

Create a bubble plot of spatial data

point.in.polygon

do point(s) fall in a given polygon?

SpatialGrid-class

Class "SpatialGrid" ~~~

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

spatial overlay for points, grids and polygons

create objects of class SpatialPoints or SpatialPointsDataFrame

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

SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~

Class "Spatial" ~~~

SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"

find point pairs with equal spatial coordinates

contourLines2SLDF

Converter functions to build SpatialLinesDataFrame objects

panel and panel utility functions for spplot

gridded-methods

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

AttributeList-class

Class "AttributeList"

SpatialGridDataFrame-class

Class "SpatialGridDataFrame"

SpatialLinesDataFrame-class

a class for spatial lines with attributes

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

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

recenter-methods

Methods for Function recenter in Package `sp'

polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object

Class "CRS" of coordinate reference system arguments

retrieve bbox from spatial data

define spatial grid

transform-methods

place holder for transform methods in library spproj

as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object

SpatialLines-class

a class for spatial lines

coordinates-methods

retrieves spatial coordinates

image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image

GridTopology-class

Class "GridTopology" ~~~

SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame

Sets or retrieves projection attributes on classes extending SpatialData

nowrapSpatialLines

Split SpatialLines components at offset

Convert character vector to DMS-class object

Class "Polygons"

SpatialPoints-class

Class "SpatialPoints" ~~~

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

overlay-methods

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

Rlogo jpeg image

SpatialPixelsDataFrame

define spatial grid with attribute data

SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"

SpatialPolygons-class

Class "SpatialPolygons"

select points spatially

Meuse river data set

River Meuse outline

Prediction Grid for Meuse Data Set