maptools v0.9-2


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