maptools v0.8-36


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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 GSHHG 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
getinfo.shape Get shapefile header information
SpatialLinesMidPoints Line midpoints
kmlPoints Create and write a KML file on the basis of a given Points object
GE_SpatialGrid Create SpatialGrid for PNG output to GE
elide-methods Methods for Function elide in Package `maptools'
nearestPointOnSegment Get the nearest point on a segment to a given point
as.ppp coercion between sp objects and spatstat objects
SplashDams Data for Splash Dams in western Oregon
readAsciiGrid read/write to/from (ESRI) asciigrid format
CCmaps Conditioned choropleth maps
kmlLine Create and write a KML file on the basis of a given Lines object
readShapeSpatial Read shape files into Spatial*DataFrame objects
state.vbm US State Visibility Based Map
spCbind-methods cbind for spatial objects
nowrapRecenter Break polygons at meridian for recentering
checkPolygonsHoles Check holes in Polygons objects
readShapePoly Read polygon shape files into SpatialPolygonsDataFrame objects
gcDestination Find destination in geographical coordinates
readSplus Read exported WinBUGS maps
symbolsInPolys Place grids of points over polygons
dotsInPolys Put dots in polygons
nearestPointOnLine Get the nearest point on a line to a given point
SpatialLines2PolySet Convert sp line and polygon objects to PBSmapping PolySet objects
lineLabel Line label placement with spplot and lattice.
unionSpatialPolygons Aggregate Polygons in a SpatialPolygons object
spRbind-methods rbind for spatial objects
kmlPolygons Create and write a KML file on the basis of a given Polygons object or list of Polygons or SpatialPolygonsDataFrame
ppp-class Virtual class "ppp"
map2SpatialPolygons Convert map objects to sp classes
kmlOverlay Create and write KML file for PNG image overlay
kmlLines Create and write a KML file on the basis of a given Lines object
getKMLcoordinates Get a list of coordinates out of a KML file
pointLabel Label placement for points to avoid overlaps
sp2WB Export SpatialPolygons object as S-Plus map for WinBUGS
pal2SpatialPolygons Making SpatialPolygons objects from RArcInfo input
gpcholes Hisaji Ono's lake/hole problem
readShapePoints Read points shape files into SpatialPointsDataFrame objects
sp2tmap Convert SpatialPolygons object for Stata tmap command
kmlPolygon Create and write a KML file on the basis of a given Polygons object
Rgshhs Read GSHHS data into sp object
ContourLines2SLDF Converter functions to build SpatialLinesDataFrame objects
sun-methods Methods for sun ephemerides calculations
wrld_simpl Simplified world country polygons
readGPS GPSbabel read interface
readShapeLines Read arc shape files into SpatialLinesDataFrame objects
sp2Mondrian write map data for Mondrian
gzAzimuth Find azimuth for geographical coordinates
thinnedSpatialPoly Douglas-Peuker line generalization for Spatial Polygons
leglabs Make legend labels
panel.pointLabel Label placement with spplot and lattice.
snapPointsToLines Snap a set of points to a set of lines
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