Hello, Maybe this will help:
There is "rgeos" package with gContains, gCovers, etc. It is a full implementation of Java Topology Suite http://cran.r-project.org/web/packages/rgeos/rgeos.pdf -- Kind regards, Antonio Rodriges ______________________________________________ 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.