maptools v0.9-4


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Tools for Handling Spatial Objects

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