nc文件读取.py

# -*- coding: utf-8 -*-
from netCDF4 import Dataset

nc_obj = Dataset(r'C:\Users\DELL\Downloads\CMS_Flux_Fire_2010_v2.nc')

# 查看nc文件有些啥东东
print(nc_obj)
print('---------------------------------------')

# 查看nc文件中的变量，结果是：['lon', 'lat', 'lev', 'time', 'tem']
print(nc_obj.variables.keys())
for i in nc_obj.variables.keys():
    print(i)
print('---------------------------------------')

# 查看每个变量的信息
print(nc_obj.variables['lat'])
print(nc_obj.variables['lon'])
print(nc_obj.variables['lev'])
print(nc_obj.variables['time'])
print(nc_obj.variables['tem'])
print('---------------------------------------')

# 查看每个变量的属性
# print(nc_obj.variables['lat'].ncattrs())
# print(nc_obj.variables['lon'].ncattrs())
# print(nc_obj.variables['lev'].ncattrs())
# print(nc_obj.variables['time'].ncattrs())
# print(nc_obj.variables['tem'].ncattrs())
#
# print(nc_obj.variables['lat'].units)
# print(nc_obj.variables['lon'].units)
# print('---------------------------------------')

# 读取数据值
lat = (nc_obj.variables['lat'][:])
lon = (nc_obj.variables['lon'][:])
lev = (nc_obj.variables['lev'][:])
# print(lev)
time = (nc_obj.variables['time'][:])
tem = (nc_obj.variables['tem'][:])

# lat = (nc_obj.variables['lat'][1:2])
# lon = (nc_obj.variables['lon'][1:2])
# lev = (nc_obj.variables['lev'][1:2])
# time1 = (nc_obj.variables['time'][1:2])
# tem = (nc_obj.variables['tem'][1:2])

# print(lat)
# print(len(lat))
# print(lon)
# print(lev)
# print(time1)
# print(len(time))
# print(tem)
# print('---------------******-------------------')

file = open('ppm_lat.txt', 'a')
file.write('lat,lon,time,tem' + '\n')
file.write('lat,lon' + '\n')
file.write('lat' + '\n')
for i in range(len(lat)):
    file.write(str(lat[i]) + ',\n')
    file.write(str(lon[i]) + ',')
    file.write(str(lev[i]) + ',')
    file.write(str(time[i]) + ',')
    file.write(str(tem[i]) + ',\n')
file.close()