maptools v0.6-17

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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
map2SpatialPolygons Convert map objects to sp classes
gzAzimuth Find azimuth for geographical coordinates
GE_SpatialGrid Create SpatialGrid for PNG output to GE
readShapePoints Read points shape files into SpatialPointsDataFrame objects
checkPolygonsHoles Check holes in Polygons objects
plot.Map Plot a Map object (deprecated)
ContourLines2SLDF Converter functions to build SpatialLinesDataFrame objects
Map2poly Create polygon lists and bounding boxes from imported shapefiles
readAsciiGrid read/write to/from (ESRI) asciigrid format
get.Pcent Polygon centroids
pointLabel Label placement for points to avoid overlaps
readShapeLines Read arc shape files into SpatialLinesDataFrame objects
as.ppp coercion between sp objects and spatstat objects
read.shape Read shapefile into Map object
readGPS GPSbabel read interface
maptools Report version information and changes
readShapePoly Read polygon shape files into SpatialPolygonsDataFrame objects
pal2SpatialPolygons Making SpatialPolygons objects from RArcInfo input
Rgshhs Read GSHHS polygons into SpatialPolygons object
spCbind-methods cbind for spatial objects
write.pointShape Write a point-type shapefile
symbolsInPolys Place grids of points over polygons
plot.polylist Plot polygons
sp2Mondrian write map data for Mondrian
kmlOverlay Create and write KML file for PNG image overlay
ppp-class Virtual class "ppp"
gcDestination Find destination in geographical coordinates
gpcholes Hisaji Ono's lake/hole problem
subset.polylist Subset polygon list objects
write.polylistShape Write a polygon-type shapefile
sp2tmap Convert SpatialPolygons object for Stata tmap command
sp2WB Export SpatialPolygons object as S-Plus map for WinBUGS
SpatialLines2PolySet Convert sp line and polygon objects to PBSmapping PolySet objects
spChFIDs-methods change feature IDs in spatial objects
spRbind-methods rbind for spatial objects
sun-methods Methods for sun ephemerides calculations
dotsInPolys Put dots in polygons
write.linelistShape Write a arc-type shapefile
elide-methods Methods for Function elide in Package `maptools'
unionSpatialPolygons Aggregate Polygons in a SpatialPolygons object
nowrapRecenter Break polygons at meridian for recentering
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Details

Date 2007-10-01
Encoding latin1
License GPL version 2 or later (R and interface code), MIT (shapelib code)
Packaged Wed Oct 10 08:25:15 2007; rsb

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