maptools v0.7-12

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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. It includes binary access to GSHHS 1.5 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.

Functions in maptools

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

Date 2008-04-14
Encoding latin1
License GPL (>= 2)
Packaged Tue Apr 15 10:40:24 2008; s1155

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