CreateDistMatrix        Create a Distance Matrix Between Two Spatial
                        Objects
CreateGrid              Create a Regularly Spaced Points Grid
SpatialPosition         Spatial Position Package
hospital                Public Hospitals
huff                    Huff Catchment Areas
isopoly                 Create Spatial Polygons Contours from a Raster
mcStewart               Stewart Potentials Parallel
paris                   Paris Polygon
plotHuff                Plot a Huff Raster
plotReilly              Plot a Reilly Raster
plotStewart             Plot a Stewart Raster
quickStewart            Create Polygons of Potentials Contours
rasterHuff              Create a Raster from a Huff
                        SpatialPointsDataFrame
rasterReilly            Create a Raster from a Reilly Regular Grid
rasterStewart           Create a Raster from a Stewart Regular Grid
reilly                  Reilly Catchment Areas
smoothy                 Stewart Smooth
stewart                 Stewart Potentials
