Python 使用xarray从netcdf中提取最近的lat lon和time值
我有一个带有foll的netCDF文件。结构:Python 使用xarray从netcdf中提取最近的lat lon和time值,python,netcdf,python-xarray,Python,Netcdf,Python Xarray,我有一个带有foll的netCDF文件。结构: <xarray.Dataset> Dimensions: (latitude: 94, longitude: 192, time: 366) Coordinates: * longitude (longitude) float32 -180.0 -178.125 -176.25 -174.375 -172.5 ... * latitude (latitude) float32 88.5419 86.6532 84.7
<xarray.Dataset>
Dimensions: (latitude: 94, longitude: 192, time: 366)
Coordinates:
* longitude (longitude) float32 -180.0 -178.125 -176.25 -174.375 -172.5 ...
* latitude (latitude) float32 88.5419 86.6532 84.7532 82.8508 80.9474 ...
* time (time) datetime64[ns] 2016-01-01 2016-01-02 2016-01-03 ...
Data variables:
m2t (time, latitude, longitude) float64 246.5 246.4 246.4 246.4
pre (time, latitude, longitude) float64 9.988e-08 9.988e-08 ...
Attributes:
Conventions: CF-1.0
但是,由于-20在经度坐标中不存在,因此这不起作用。虽然您还没有完全正确的语法,但您已经非常接近了:
_hndl_nc.sel(time='2016-01-10', longitude=-170.0, latitude=-20.0, method='nearest')
另见:
_hndl_nc.sel(time='2016-01-10', longitude=-170.0, latitude=-20.0, method='nearest')