小编use*_*676的帖子

CMIP5未来气候数据的经度为0 - 360度.如何使用光栅包将其转换为-180 - 180度？

我试过shift(r0,-180)和shift(r0,-360).这是行不通的.任何帮助将不胜感激.r0这是一个栅格.

我有一个旋转坐标的NetCDF文件.我需要将它转换为普通的纬度/经度坐标(长度为-180到180,纬度为-90到90).

library(ncdf4)
nc_open('dat.nf')

对于尺寸,它显示:

[1] "     5 variables (excluding dimension variables):"
[1] "        double time_bnds[bnds,time]   "
[1] "        double lon[rlon,rlat]   "
[1] "            long_name: longitude"
[1] "            units: degrees_east"
[1] "        double lat[rlon,rlat]   "
[1] "            long_name: latitude"
[1] "            units: degrees_north"
[1] "        char rotated_pole[]   "
[1] "            grid_mapping_name: rotated_latitude_longitude"
[1] "            grid_north_pole_longitude: 83"
[1] "            grid_north_pole_latitude: 42.5"
[1] "        float tasmax[rlon,rlat,time]   "
[1] "            long_name: Daily Maximum Near-Surface Air Temperature"
[1] "            standard_name: air_temperature"
[1] "            units: K" …