maptools v0.9-3

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