maptools v0.6-5

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by Roger Bivand

Tools for reading and handling spatial objects

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

Functions in maptools

Name Description
Rgshhs Read GSHHS polygons into SpatialPolygons object
checkPolygonsHoles Check holes in Polygons objects
as.ppp coercion from sp objects to spatstat objects
get.Pcent Polygon centroids
SpatialLines2PolySet Convert sp line and polygon objects to PBSmapping PolySet objects
map2SpatialPolygons Convert map objects to sp classes
nowrapRecenter Break polygons at meridian for recentering
crepuscule-methods Crepuscule methods
readAsciiGrid read/write to/from (ESRI) asciigrid format
gpcholes Hisaji Ono's lake/hole problem
Map2poly Create polygon lists and bounding boxes from imported shapefiles
dotsInPolys Put dots in polygons
plot.polylist Plot polygons
read.shape Read shapefile into Map object
maptools Report version information and changes
pal2SpatialPolygons Making SpatialPolygons objects from RArcInfo input
readShapeLines Read arc shape files into SpatialLinesDataFrame objects
readShapePoly Read polygon shape files into SpatialPolygonsDataFrame objects
sunriset-methods Sunriset methods
solarnoon-methods Solarnoon methods
subset.polylist Subset polygon list objects
ppp-class Virtual class "ppp"
spCbind-methods cbind for spatial objects
spRbind-methods rbind for spatial objects
sp2Mondrian write map data for Mondrian
plot.Map Plot a Map object (deprecated)
sp2tmap Convert SpatialPolygons object for Stata tmap command
readShapePoints Read points shape files into SpatialPointsDataFrame objects
sp2WB Export SpatialPolygons object as S-Plus map for WinBUGS
gzAzimuth Find azimuth for geographical coordinates
write.linelistShape Write a arc-type shapefile
write.pointShape Write a point-type shapefile
ContourLines2SLDF Converter functions to build SpatialLinesDataFrame objects
symbolsInPolys Place grids of points over polygons
unionSpatialPolygons Aggregate Polygons in a SpatialPolygons object
spChFIDs-methods change feature IDs in spatial objects
solarpos-methods Solar position methods
write.polylistShape Write a polygon-type shapefile
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Details

Date 2006-11-22
License GPL version 2 or later (R and interface code), MIT (shapelib code)
Packaged Sat Dec 2 22:24:33 2006; rsb

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