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sp (version 0.8-8)

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

198,490

Version

0.8-8

License

GPL version 2 or later

Maintainer

Edzer Pebesma

Last Published

February 1st, 2025

Functions in sp (0.8-8)

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sp

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

create objects of class Line or Lines
dimensions-methods

retrieve spatial dimensions from spatial data
select.spatial

select points spatially
image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image
overlay

spatial overlay for points, grids and polygons
overlay-methods

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

Class "SpatialPoints" ~~~
SpatialPixelsDataFrame

define spatial grid with attribute data
char2dms

Convert character vector to DMS-class object
SpatialPixels

define spatial grid
DMS-class

Class "DMS" for degree, minute, decimal second values
spDistsN1

Euclidean or Great Circle distance between points
SpatialPixels-class

Class "SpatialPixels" ~~~
transform-methods

place holder for transform methods in library spproj
nowrapSpatialLines

Split SpatialLines components at offset
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
read.asciigrid

read/write to/from (ESRI) asciigrid format
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
bpy.colors

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

axis with degrees
bbox-methods

retrieve bbox from spatial data
SpatialGrid-class

Class "SpatialGrid" ~~~
AttributeList-class

Class "AttributeList"
point.in.polygon

do point(s) fall in a given polygon?
Spatial-class

Class "Spatial" ~~~
SpatialLines-class

a class for spatial lines
SpatialGridDataFrame-class

Class "SpatialGridDataFrame"
coordnames-methods

retrieve or assign coordinate names for classes in sp
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
gridded-methods

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

retrieve (or set) spatial coordinates
Line-class

Class "Line"
SpatialPolygons-class

Class "SpatialPolygons"
Polygons-class

Class "Polygons"
panel.spplot

panel and panel utility functions for spplot
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
recenter-methods

Methods for Function recenter in Package `sp'
SpatialPointsDataFrame-class

Class "SpatialPointsDataFrame"
zerodist

find point pairs with equal spatial coordinates
gridlines

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

sample point locations in (or on) a spatial object
polygons

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

Calculate aspect ratio for plotting geographic maps
spplot

Plot methods for spatial data with attributes
Polygon-class

Class "Polygon"
CRS-class

Class "CRS" of coordinate reference system arguments
GridTopology-class

Class "GridTopology" ~~~
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
bubble

Create a bubble plot of spatial data
contourLines2SLDF

Converter functions to build SpatialLinesDataFrame objects
SpatialLinesDataFrame-class

a class for spatial lines with attributes
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~
meuse

Meuse river data set
Lines-class

Class "Lines"
stack

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

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
meuse.riv

River Meuse outline
meuse.grid

Prediction Grid for Meuse Data Set