maptools v0.8-22

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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
readAsciiGrid read/write to/from (ESRI) asciigrid format
Rgshhs Read GSHHS data into sp object
SplashDams Data for Splash Dams in western Oregon
CCmaps Conditioned choropleth maps
dotsInPolys Put dots in polygons
GE_SpatialGrid Create SpatialGrid for PNG output to GE
ContourLines2SLDF Converter functions to build SpatialLinesDataFrame objects
map2SpatialPolygons Convert map objects to sp classes
gpcholes Hisaji Ono's lake/hole problem
SpatialLines2PolySet Convert sp line and polygon objects to PBSmapping PolySet objects
gcDestination Find destination in geographical coordinates
readGPS GPSbabel read interface
readShapePoly Read polygon shape files into SpatialPolygonsDataFrame objects
as.ppp coercion between sp objects and spatstat objects
nearestPointOnLine Get the nearest point on a line to a given point
read.shape Read shapefile into Map object
write.linelistShape Write a arc-type shapefile
readShapeLines Read arc shape files into SpatialLinesDataFrame objects
write.pointShape Write a point-type shapefile
thinnedSpatialPoly Douglas-Peuker line generalization for Spatial Polygons
kmlOverlay Create and write KML file for PNG image overlay
ppp-class Virtual class "ppp"
lineLabel Line label placement with spplot and lattice.
unionSpatialPolygons Aggregate Polygons in a SpatialPolygons object
write.polylistShape Write a polygon-type shapefile
panel.pointLabel Label placement with spplot and lattice.
elide-methods Methods for Function elide in Package `maptools'
sun-methods Methods for sun ephemerides calculations
pointLabel Label placement for points to avoid overlaps
snapPointsToLines Snap a set of points to a set of lines
state.vbm US State Visibility Based Map
nowrapRecenter Break polygons at meridian for recentering
kmlPolygon Create and write a KML file on the basis of a given Polygons object
gzAzimuth Find azimuth for geographical coordinates
pal2SpatialPolygons Making SpatialPolygons objects from RArcInfo input
plot.Map Plot a Map object (deprecated)
wrld_simpl Simplified world country polygons
sp2WB Export SpatialPolygons object as S-Plus map for WinBUGS
symbolsInPolys Place grids of points over polygons
checkPolygonsHoles Check holes in Polygons objects
plot.polylist Plot polygons
getKMLcoordinates Get a list of coordinates out of a KML file
readSplus Read exported WinBUGS maps
leglabs Make legend labels
SpatialLinesMidPoints Line midpoints
kmlLine Create and write a KML file on the basis of a given Lines object
getinfo.shape Get shapefile header information
readShapePoints Read points shape files into SpatialPointsDataFrame objects
readShapeSpatial Read shape files into Spatial*DataFrame objects
spRbind-methods rbind for spatial objects
Map2poly Create polygon lists and bounding boxes from imported shapefiles
nearestPointOnSegment Get the nearest point on a segment to a given point
sp2tmap Convert SpatialPolygons object for Stata tmap command
spCbind-methods cbind for spatial objects
get.Pcent Polygon centroids
kmlPoints Create and write a KML file on the basis of a given Points object
sp2Mondrian write map data for Mondrian
subset.polylist Subset polygon list objects
maptools Report version information and changes
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Date 2013-01-16
Encoding UTF-8
License GPL (>= 2)
URL http://r-forge.r-project.org/projects/maptools/
Packaged 2013-01-16 09:26:49 UTC; rsb
Repository CRAN
Date/Publication 2013-01-16 10:43:26

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