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maptools (version 0.8-23)

Tools for reading and handling spatial objects

Description

Set of tools for manipulating and reading geographic data, in particular ESRI shapefiles; C code used from shapelib. It includes binary access to GSHHS shoreline files. The package also provides interface wrappers for exchanging spatial objects with packages such as PBSmapping, spatstat, maps, RArcInfo, Stata tmap, WinBUGS, Mondrian, and others.

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Version

Install

install.packages('maptools')

Monthly Downloads

1,546

Version

0.8-23

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

February 10th, 2013

Functions in maptools (0.8-23)

getinfo.shape

Get shapefile header information
readAsciiGrid

read/write to/from (ESRI) asciigrid format
kmlPoints

Create and write a KML file on the basis of a given Points object
kmlOverlay

Create and write KML file for PNG image overlay
gzAzimuth

Find azimuth for geographical coordinates
nearestPointOnSegment

Get the nearest point on a segment to a given point
symbolsInPolys

Place grids of points over polygons
thinnedSpatialPoly

Douglas-Peuker line generalization for Spatial Polygons
Rgshhs

Read GSHHS data into sp object
sp2Mondrian

write map data for Mondrian
readShapeLines

Read arc shape files into SpatialLinesDataFrame objects
readShapePoints

Read points shape files into SpatialPointsDataFrame objects
sun-methods

Methods for sun ephemerides calculations
gpcholes

Hisaji Ono's lake/hole problem
checkPolygonsHoles

Check holes in Polygons objects
ppp-class

Virtual class "ppp"
snapPointsToLines

Snap a set of points to a set of lines
SpatialLines2PolySet

Convert sp line and polygon objects to PBSmapping PolySet objects
ContourLines2SLDF

Converter functions to build SpatialLinesDataFrame objects
dotsInPolys

Put dots in polygons
sp2tmap

Convert SpatialPolygons object for Stata tmap command
spCbind-methods

cbind for spatial objects
SplashDams

Data for Splash Dams in western Oregon
readGPS

GPSbabel read interface
leglabs

Make legend labels
unionSpatialPolygons

Aggregate Polygons in a SpatialPolygons object
wrld_simpl

Simplified world country polygons
readSplus

Read exported WinBUGS maps
pointLabel

Label placement for points to avoid overlaps
elide-methods

Methods for Function elide in Package `maptools'
pal2SpatialPolygons

Making SpatialPolygons objects from RArcInfo input
readShapeSpatial

Read shape files into Spatial*DataFrame objects
map2SpatialPolygons

Convert map objects to sp classes
as.ppp

coercion between sp objects and spatstat objects
readShapePoly

Read polygon shape files into SpatialPolygonsDataFrame objects
panel.pointLabel

Label placement with spplot and lattice.
SpatialLinesMidPoints

Line midpoints
kmlPolygon

Create and write a KML file on the basis of a given Polygons object
nowrapRecenter

Break polygons at meridian for recentering
spRbind-methods

rbind for spatial objects
CCmaps

Conditioned choropleth maps
getKMLcoordinates

Get a list of coordinates out of a KML file
nearestPointOnLine

Get the nearest point on a line to a given point
state.vbm

US State Visibility Based Map
lineLabel

Line label placement with spplot and lattice.
gcDestination

Find destination in geographical coordinates
GE_SpatialGrid

Create SpatialGrid for PNG output to GE
sp2WB

Export SpatialPolygons object as S-Plus map for WinBUGS
kmlLine

Create and write a KML file on the basis of a given Lines object