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maptools (version 0.8-3)

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

1,089

Version

0.8-3

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

March 21st, 2011

Functions in maptools (0.8-3)

ContourLines2SLDF

Converter functions to build SpatialLinesDataFrame objects

checkPolygonsHoles

Check holes in Polygons objects

Get shapefile header information

Polygon centroids

Label placement for points to avoid overlaps

coercion between sp objects and spatstat objects

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

Create SpatialGrid for PNG output to GE

Report version information and changes

map2SpatialPolygons

Convert map objects to sp classes

write.pointShape

Write a point-type shapefile

Read polygon shape files into SpatialPolygonsDataFrame objects

write.linelistShape

Write a arc-type shapefile

Read exported WinBUGS maps

spCbind-methods

cbind for spatial objects

Read shapefile into Map object

Hisaji Ono's lake/hole problem

Methods for sun ephemerides calculations

Plot a Map object (deprecated)

Make legend labels

Virtual class "ppp"

spRbind-methods

rbind for spatial objects

SpatialLines2PolySet

Convert sp line and polygon objects to PBSmapping PolySet objects

Read arc shape files into SpatialLinesDataFrame objects

Break polygons at meridian for recentering

unionSpatialPolygons

Aggregate Polygons in a SpatialPolygons object

Simplified world country polygons

write map data for Mondrian

Find destination in geographical coordinates

write.polylistShape

Write a polygon-type shapefile

Find azimuth for geographical coordinates

Create and write KML file for PNG image overlay

SpatialLinesMidPoints

readShapeSpatial

Read shape files into Spatial*DataFrame objects

readShapePoints

Read points shape files into SpatialPointsDataFrame objects

GPSbabel read interface

Create and write a KML file on the basis of a given Polygons object or list of Polygons or SpatialPolygonsDataFrame

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

pal2SpatialPolygons

Making SpatialPolygons objects from RArcInfo input

Methods for Function elide in Package `maptools'

thinnedSpatialPoly

Douglas-Peuker line generalization for Spatial Polygons

Conditioned choropleth maps

panel.pointLabel

Label placement with spplot and lattice.

Convert SpatialPolygons object for Stata tmap command

read/write to/from (ESRI) asciigrid format

Put dots in polygons

getKMLcoordinates

Get a list of coordinates out of a KML file

Data for Splash Dams in western Oregon

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

Create polygon lists and bounding boxes from imported shapefiles

Line label placement with spplot and lattice.

nearestPointOnSegment

Get the nearest point on a segment to a given point

nowrapSpatialLines

Split SpatialLines components at offset

subset.polylist

Subset polygon list objects

Place grids of points over polygons

snapPointsToLines

Snap a set of points to a set of lines

Export SpatialPolygons object as S-Plus map for WinBUGS

US State Visibility Based Map

Read GSHHS data into sp object

nearestPointOnLine

Get the nearest point on a line to a given point

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