---------- Forwarded message --------- From: javad bayat <j.bayat194 at gmail.com> Date: Fri, Apr 16, 2021 at 9:00 AM Subject: Create new polygon from a polygon To: <R-help-owner at r-project.org> Dear all; I have a polygon and I want to divide it into 2 new polygons. The first one must be 54 percent of the initial polygon area and the remaining area (46 percent of the area) for the second polygon. Is there any way to do this? " library(rgdal) S_P = readOGR(".","Polygon") proj4string(S_P) <- CRS("+proj=utm +zone=39 +datum=WGS84") " Sincerely -- Best Regards Javad Bayat M.Sc. Environment Engineering Alternative Mail: bayat194 at yahoo.com -- Best Regards Javad Bayat M.Sc. Environment Engineering Alternative Mail: bayat194 at yahoo.com [[alternative HTML version deleted]]