maptools v0.7-16

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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
Map2poly Create polygon lists and bounding boxes from imported shapefiles
SpatialLines2PolySet Convert sp line and polygon objects to PBSmapping PolySet objects
ContourLines2SLDF Converter functions to build SpatialLinesDataFrame objects
as.ppp coercion between sp objects and spatstat objects
spChFIDs-methods change feature IDs in spatial objects
readShapeLines Read arc shape files into SpatialLinesDataFrame objects
gpcholes Hisaji Ono's lake/hole problem
gcDestination Find destination in geographical coordinates
kmlOverlay Create and write KML file for PNG image overlay
readAsciiGrid read/write to/from (ESRI) asciigrid format
spRbind-methods rbind for spatial objects
sp2WB Export SpatialPolygons object as S-Plus map for WinBUGS
Rgshhs Read GSHHS data into sp object
get.Pcent Polygon centroids
nowrapRecenter Break polygons at meridian for recentering
checkPolygonsHoles Check holes in Polygons objects
write.pointShape Write a point-type shapefile
readShapeSpatial Read shape files into Spatial*DataFrame objects
map2SpatialPolygons Convert map objects to sp classes
symbolsInPolys Place grids of points over polygons
readGPS GPSbabel read interface
readShapePoly Read polygon shape files into SpatialPolygonsDataFrame objects
sp2tmap Convert SpatialPolygons object for Stata tmap command
ppp-class Virtual class "ppp"
dotsInPolys Put dots in polygons
elide-methods Methods for Function elide in Package `maptools'
plot.Map Plot a Map object (deprecated)
read.shape Read shapefile into Map object
gzAzimuth Find azimuth for geographical coordinates
maptools Report version information and changes
plot.polylist Plot polygons
readShapePoints Read points shape files into SpatialPointsDataFrame objects
pal2SpatialPolygons Making SpatialPolygons objects from RArcInfo input
subset.polylist Subset polygon list objects
pointLabel Label placement for points to avoid overlaps
spCbind-methods cbind for spatial objects
write.polylistShape Write a polygon-type shapefile
unionSpatialPolygons Aggregate Polygons in a SpatialPolygons object
sun-methods Methods for sun ephemerides calculations
GE_SpatialGrid Create SpatialGrid for PNG output to GE
sp2Mondrian write map data for Mondrian
write.linelistShape Write a arc-type shapefile
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Date 2008-11-12
Encoding latin1
License GPL (>= 2)
Packaged Wed Nov 12 16:05:17 2008; rsb

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