maptools v0.6-13

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

Date 2007-06-10
License GPL version 2 or later (R and interface code), MIT (shapelib code)
Packaged Sun Jun 10 22:46:20 2007; rsb

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