问题描述
band1<-raster(B1)
Error in if (x == "" | x == ".") { : argument is of length zero
解决方法
这表明 B1 是一个空字符串
library(raster)
B1 <- character()
B1
# character(0)
raster(B1)
# Error in if (x == "" | x == ".") { : argument is of length zero
band1<-raster(B1)
Error in if (x == "" | x == ".") { : argument is of length zero
这表明 B1 是一个空字符串
library(raster)
B1 <- character()
B1
# character(0)
raster(B1)
# Error in if (x == "" | x == ".") { : argument is of length zero