maptools v0.8-39


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