我收到“找不到请求的 var”错误,即使变量名是有效的 - 它适用于其他 netcdf 库 - 包括 NCO、R netcdf4 库和 Panoply:
此示例使用名为test2.nc的文件:
这按预期工作:
library(ncdf4)
nc <- nc_open('test2.nc')
v <- ncvar_get(nc, 'biomass')
image(v)
nc_close(nc)
这不起作用:
library(raster)
r <- raster('test2.nc', 'biomass')
#> Loading required namespace: ncdf4
#> [1] "vobjtovarid4: error #F: I could not find the requsted var (or dimvar) in the file!"
#> [1] "var (or dimvar) name: crs"
#> [1] "file name: test2.nc"
#> Warning in .rasterObjectFromCDF(x, type = objecttype, band = band, ...): NAs
#> introduced by coercion
#> Error in if (band > nbands(r)) {: missing value where TRUE/FALSE needed
由reprex 包于 2021-06-11 创建 (v2.0.0 )
会话信息sessioninfo::session_info()
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