[英]Renaming xarray variable reverts to old variable when writing to netcdf
I am trying to rename a variable in some netcdf files.我正在尝试重命名某些 netcdf 文件中的变量。 I am able to accomplish this using
xr.Dataset.rename()
.我可以使用
xr.Dataset.rename()
来完成此操作。 However, when I write that out to a netcdf file it has the old variable name that I was trying to replace.但是,当我将其写入 netcdf 文件时,它具有我试图替换的旧变量名。 Here is the output from the original:
这是原始的 output:
xr.open_dataset('/Volumes/Ext HDD 1/Python_data/crop_means/argentinacorn_tp_mean.nc')
#rename and save files
import glob
import xarray as xr
precip_files=glob.glob('/Volumes/Ext HDD 1/Python_data/crop_means/*tp*.nc')
for i in precip_files:
data=xr.open_dataset(i)
data2=data.rename_vars(name_dict={'tp_mean':'total_precip'})
data2.to_netcdf('/Volumes/Ext HDD 1/Python_data/crop_means2/'+i.split('/')[-1].split('_').
[0]+'_total_precip_mean.nc')
When loading in one of the new files this is the output:当加载其中一个新文件时,这是 output:
xr.open_dataset('/Volumes/Ext HDD 1/Python_data/crop_means2/argentinacorn_total_precip_mean.nc')
They are exactly the same.它们完全相同。 If I just run the code without writing it out, this is what outputs:
如果我只是运行代码而不写出来,这就是输出:
data=xr.open_dataset('/Volumes/Ext HDD 1/Python_data/crop_means/argentinacorn_tp_mean.nc')
data=data.rename_vars(name_dict={'tp_mean':'total_precip'})
Using data.rename
instead of data.rename_vars
will solve this issue.使用
data.rename
代替data.rename_vars
将解决这个问题。
data2=data.rename(name_dict={'tp_mean':'total_precip'})
data2.to_netcdf(...)
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