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