dotsInPolys             Put dots in polygons
get.Pcent               Polygon centroids
gpcholes                Hisaji Ono's lake/hole problem
Map2poly                Create polygon lists and bounding boxes from
                        imported shapefiles
maptools                Report version information and changes
plot.Map                Plot a Map object
plot.polylist           Plot polygons
readAsciiGrid           read/write to/from (ESRI) asciigrid format
read.shape              Read shapefile into Map object
readShapeLines          Read arc shape files into
                        SpatialLinesDataFrame objects
readShapePoints         Read points shape files into
                        SpatialPointsDataFrame objects
readShapePoly           Read polygon shape files into
                        SpatialPolygonsDataFrame objects
subset.polylist         Subset polygon list objects
symbolsInPolys          Place grids of points over polygons
write.linelistShape     Write a arc-type shapefile
write.pointShape        Write a point-type shapefile
write.polylistShape     Write a polygon-type shapefile
