maptools v0.6-14

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

Date 2007-07-18
Encoding latin1
License GPL version 2 or later (R and interface code), MIT (shapelib code)
Packaged Mon Jul 23 20:35:37 2007; rsb

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