maptools v0.8-41

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