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from Numeric import *
from Scientific.IO.NetCDF import *
import time
def getUserName():
try:
import os, pwd, string
except ImportError:
return 'unknown user'
pwd_entry = pwd.getpwuid(os.getuid())
name = string.strip(string.splitfields(pwd_entry[4], ',')[0])
if name == '':
name = pwd_entry[0]
return name
#
# Creating a file
#
file = NetCDFFile('test.nc', 'w', 'Created ' + time.ctime(time.time())
+ ' by ' + getUserName())
file.title = "Just some useless junk"
file.version = 42
file.createDimension('xyz', 3)
file.createDimension('n', 20)
file.createDimension('t', None) # unlimited dimension
foo = file.createVariable('foo', Float, ('n', 'xyz'))
foo[:,:] = 0.
foo[0,:] = [42., 42., 42.]
foo[:,1] = 1.
foo.units = "arbitrary"
print foo[0]
print foo.dimensions
bar = file.createVariable('bar', Int, ('t', 'n'))
for i in range(10):
bar[i] = i
print bar.shape
print file.dimensions
print file.variables
file.close()
#
# Reading a file
#
file = NetCDFFile('test.nc', 'r')
print file.dimensions
print file.variables
foo = file.variables['foo']
foo_array = foo[:]
foo_units = foo.units
print foo[0]
file.close()
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