maptools v0.7-18

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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 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
readShapePoints Read points shape files into SpatialPointsDataFrame objects
checkPolygonsHoles Check holes in Polygons objects
gcDestination Find destination in geographical coordinates
kmlOverlay Create and write KML file for PNG image overlay
Map2poly Create polygon lists and bounding boxes from imported shapefiles
pal2SpatialPolygons Making SpatialPolygons objects from RArcInfo input
write.linelistShape Write a arc-type shapefile
map2SpatialPolygons Convert map objects to sp classes
readShapeLines Read arc shape files into SpatialLinesDataFrame objects
SpatialLines2PolySet Convert sp line and polygon objects to PBSmapping PolySet objects
readAsciiGrid read/write to/from (ESRI) asciigrid format
Rgshhs Read GSHHS data into sp object
dotsInPolys Put dots in polygons
pointLabel Label placement for points to avoid overlaps
as.ppp coercion between sp objects and spatstat objects
GE_SpatialGrid Create SpatialGrid for PNG output to GE
ppp-class Virtual class "ppp"
readGPS GPSbabel read interface
sp2WB Export SpatialPolygons object as S-Plus map for WinBUGS
gzAzimuth Find azimuth for geographical coordinates
read.shape Read shapefile into Map object
write.pointShape Write a point-type shapefile
readShapePoly Read polygon shape files into SpatialPolygonsDataFrame objects
nowrapRecenter Break polygons at meridian for recentering
write.polylistShape Write a polygon-type shapefile
symbolsInPolys Place grids of points over polygons
spRbind-methods rbind for spatial objects
sp2Mondrian write map data for Mondrian
ContourLines2SLDF Converter functions to build SpatialLinesDataFrame objects
spChFIDs-methods change feature IDs in spatial objects
get.Pcent Polygon centroids
plot.Map Plot a Map object (deprecated)
maptools Report version information and changes
plot.polylist Plot polygons
elide-methods Methods for Function elide in Package `maptools'
sp2tmap Convert SpatialPolygons object for Stata tmap command
subset.polylist Subset polygon list objects
sun-methods Methods for sun ephemerides calculations
gpcholes Hisaji Ono's lake/hole problem
spCbind-methods cbind for spatial objects
readShapeSpatial Read shape files into Spatial*DataFrame objects
unionSpatialPolygons Aggregate Polygons in a SpatialPolygons object
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Date 2009-01-20
Encoding latin1
License GPL (>= 2)
Packaged Tue Jan 20 21:59:04 2009; rsb

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