R语言,raster包area函数,细胞大小 # R 版本:R x64 4.0.2# cgh163email@163.com#个人笔记不负责任# —— 拎了个梨🍐rm(list=ls());gc().rs.restartR()require(raster)r<-raster(nrow=18,ncol=36)a<-area(r)plot(a)# Tue Sep 08 15:38:04 2020 -require(rgdal)require(rgeos)p<-shapefile(...