You might try R-Sig-Geo for the reasons, but you need to include the UTM zone to convert:
SP<-SpatialPoints(cbind(126.59,-14.30),proj4string=CRS("+proj=longlat")) SP SpatialPoints: coords.x1 coords.x2 [1,] 126.59 -14.3 Coordinate Reference System (CRS) arguments: +proj=longlat +ellps=WGS84 coordinatesUTM<-spTransform(SP,CRS("+proj=utm +zone=52")) coordinatesUTM SpatialPoints: coords.x1 coords.x2 [1,] 240015.6 -1582256 Coordinate Reference System (CRS) arguments: +proj=utm +zone=52 +ellps=WGS84 ---------------------------------------------- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77843-4352 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of Boris Beranger > Sent: Tuesday, June 05, 2012 3:29 AM > To: R-help@r-project.org > Subject: [R] Converiting longitude/latitude to utm > > Dear all, > > I have been trying to convert coordinates from longitude/latitude to > utm > but I got an error. As soon as the longitude coordinate is greater than > 90, > I get the folloowing error message: "error in pj_transform: latitude > or > longitude exceeded limits" > > Here is what I did: > > SP<-SpatialPoints(cbind(126.59,- > 14.30),proj4string=CRS("+proj=longlat")) > coordinatesUTM<-spTransform(SP,CRS("+proj=utm")) > > Error in spTransform(SP, CRS("+proj=utm")) : > error in pj_transform: latitude or longitude exceeded limits > > Can someone explain me what I did wrong? I am using coordinates of > Australia so the range of my longitudes is around [110,150] and the one > of > my latitudes [-10,-45]. > > Thanks in advance, > > Cheers, > Boris > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. ______________________________________________ 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.