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window 11 python3.7 读写 ERA5Land

window 11 python3.7 读写 ERA5Land

作者: zyhthinking | 来源:发表于2022-12-30 13:00 被阅读0次
  1. 下载安装wrf_python
    https://www.lfd.uci.edu/~gohlke/pythonlibs/#wrf_python

  2. pip 安装
    pip install ecmwflibs
    pip install eccodes
    pip install cfgrib
    pip install xarray

  3. 代码编写:
    '''
    nc_obj = xr.load_dataset("LAI_19981019.grib", engine="cfgrib")
    lvdata=nc_obj["lai_lv"].data
    lvdata1=lvdata[:,0:1800]
    lvdata2=lvdata[:,1800:3600]
    xy = np.hstack([lvdata2, lvdata1])

run=GRID()

'''

0:图像左上角的X坐标;

1:图像东西方向分辨率;

2:旋转角度,如果图像北方朝上,该值为0;

3:图像左上角的Y坐标;

4:旋转角度,如果图像北方朝上,该值为0;

5:图像南北方向分辨率;

'''

outadfGeoTransform=[-180,0.1,0,90,0,-0.1]

def write_img(self, filename, im_proj, im_geotrans, im_data)

run.write_img("lv3.tif", "", outadfGeoTransform,xy)

print(nc_obj)
'''

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