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sp (version 0.8-14)

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

0.8-14

License

GPL version 2 or later

Maintainer

Edzer Pebesma

Last Published

February 1st, 2025

Functions in sp (0.8-14)

Polygons-class

Class "Polygons"
overlay

spatial overlay for points, grids and polygons
SpatialPolygons

create objects of class SpatialPolygons or SpatialPolygonsDataFrame
image.SpatialGridDataFrame

image gridded spatial data, or convert to format for image
SpatialPolygonsDataFrame-class

Class "SpatialPolygonsDataFrame"
dimensions-methods

retrieve spatial dimensions from spatial data
SpatialGrid-class

Class "SpatialGrid" ~~~
Rlogo

Rlogo jpeg image
GridTopology-class

Class "GridTopology" ~~~
degAxis

axis with degrees
zerodist

find point pairs with equal spatial coordinates
SpatialLines

create objects of class SpatialLines or SpatialLinesDataFrame
is.projected

Sets or retrieves projection attributes on classes extending SpatialData
bbox-methods

retrieve bbox from spatial data
read.asciigrid

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

Class "SpatialPointsDataFrame"
stack

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

place holder for transform methods in library spproj
polygons

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
SpatialPixelsDataFrame-class

Class "SpatialPixelsDataFrame" ~~~
contourLines2SLDF

Converter functions to build SpatialLinesDataFrame objects
DMS-class

Class "DMS" for degree, minute, decimal second values
as.SpatialPolygons.PolygonsList

Making SpatialPolygons objects
SpatialPixelsDataFrame

define spatial grid with attribute data
CRS-class

Class "CRS" of coordinate reference system arguments
select.spatial

select points spatially
SpatialLinesDataFrame-class

a class for spatial lines with attributes
Spatial-class

Class "Spatial" ~~~
gridlines

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

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

a class for spatial lines
polygons-methods

Retrieve polygons from SpatialPolygonsDataFrame object
bubble

Create a bubble plot of spatial data
nowrapSpatialLines

Split SpatialLines components at offset
mapasp

Calculate aspect ratio for plotting geographic maps
Line-class

Class "Line"
Lines-class

Class "Lines"
spDistsN1

Euclidean or Great Circle distance between points
SpatialPoints

create objects of class SpatialPoints or SpatialPointsDataFrame
spplot

Plot methods for spatial data with attributes
AttributeList-class

Class "AttributeList"
recenter-methods

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

Class "Polygon"
point.in.polygon

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

Class "SpatialPolygons"
coordinates

sets spatial coordinates to create spatial data, or retrieves spatial coordinates
coordnames-methods

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

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

create objects of class Line or Lines
spsample

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

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

Class "SpatialGridDataFrame"
SpatialPoints-class

Class "SpatialPoints" ~~~
SpatialPixels-class

Class "SpatialPixels" ~~~
meuse

Meuse river data set
char2dms

Convert character vector to DMS-class object
coordinates-methods

retrieve (or set) spatial coordinates
SpatialPixels

define spatial grid
as.SpatialPolygons.GridTopology

Make SpatialPolygons object from GridTopology object
gridded-methods

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

panel and panel utility functions for spplot
meuse.riv

River Meuse outline
meuse.grid

Prediction Grid for Meuse Data Set