R (>= 2.5.0), RGtk2, plotAndPlayGTK (>= 0.8.23), lattice (>= 0.16), maps, maptools, akima
RGtk2, gWidgets, reshape, grid, grDevices, stats, utils
sp, rgdal, maptools, tripack, gpclib, akima, maps, oz, mapdata
sp, rgdal, tripack, gpclib, akima, oz, maps, mapdata, maptools