What is WorldMap? From where does it come? Regards, Pascal
On Tue, Sep 2, 2014 at 2:37 PM, Girija Kalyani <smileismys...@gmail.com> wrote: > working configuration: > R-3.1.1 > WIN-64 > goal: want to perfrom ploygon clipping, giving bounding box values of my > study area and extract the area from world map. > I followed: > >> clip.extent <- as(extent(76.3700, 31.7439, 78.6541, 33.2653), >> "SpatialPolygons") > >> proj4string(clip.extent) <- CRS(proj4string(WorldMap))> LSMap <- >> gIntersection(WorldMap, clip.extent, byid = TRUE) > > Error : > > In RGEOSBinTopoFunc(spgeom1, spgeom2, byid, id, drop_not_poly, > "rgeos_intersection") : > spgeom1 and spgeom2 have different proj4 strings > > > Any help or assistance would be highly obliged > > [[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. -- Pascal Oettli Project Scientist JAMSTEC Yokohama, Japan ______________________________________________ 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.