> If readShapePoly() (deprecated - use readShapeSpatial() instead) says that > the data are not polygons, then they are not. If you want to fill > administrative boundaries polygons, you need polygons, not lines. The source > you are using is based on OpenStreetMaps, so more likely to be lines, and as > the website says, not authorised. You need to locate an appropriate source > of boundary data first for your geographical features of interest. There are > very few national mapping agencies that make these data available free (the > US led on this, some others are understanding too, slowly).
http://gadm.org/country seems to provide this data for very many countries - and in sp objects too! Hadley -- http://had.co.nz/ ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
