摘要: #sp包矢量数据操作 s1 <- readRDS("Income_schooling.rds") s2 <- readRDS("dist.rds") l1 <- readRDS("highway.rds") #函数bbox获取空间数据边界,sp包 b1<-bbox(s1) b2<-bbox(s2) 阅读全文
posted @ 2021-08-10 13:23 陈其永 阅读(3409) 评论(0) 推荐(1) 编辑