Beispiel #1
0
 def test_resample1(self):
     '''resample should give consistent results'''
     ans = dm.SpaceData()
     ans.attrs['foo'] = 'bar'
     ans['a'] = [ 1.,  3.,  5.,  7.]
     ans['b'] = dm.dmarray([5.,   7.,   9.,  11.])
     ans['b'].attrs['marco'] = 'polo'
     ans['Epoch'] = [datetime.datetime(2010, 1, 1, 1, 0),
                     datetime.datetime(2010, 1, 1, 3, 0),
                     datetime.datetime(2010, 1, 1, 5, 0),
                     datetime.datetime(2010, 1, 1, 7, 0)]
     
     
     a = dm.SpaceData()
     a['a'] = dm.dmarray(range(10))
     a['b'] = dm.dmarray(range(10)) + 4
     a['b'].attrs['marco'] = 'polo'
     a['c'] = dm.dmarray(range(3)) + 10
     a.attrs['foo'] = 'bar'
     times = [datetime.datetime(2010, 1, 1) + datetime.timedelta(hours=i) for i in range(10)]
     out = dm.resample(a, times, winsize=datetime.timedelta(hours=2), overlap=datetime.timedelta(hours=0))
     for k, v in out.items():
         np.testing.assert_equal(v,  ans[k])
     self.assertEqual(ans.attrs, out.attrs)
     self.assertEqual(ans['b'].attrs['marco'], 'polo')
     self.assertTrue(out['b'].attrs['DEPEND_0'], 'Epoch')
     self.assertFalse('c' in out)
Beispiel #2
0
 def test_resample1(self):
     '''resample should give consistent results'''
     ans = dm.SpaceData()
     ans.attrs['foo'] = 'bar'
     ans['a'] = [ 0.5,  2.5,  4.5,  6.5, 8.5]
     ans['b'] = dm.dmarray([4.5, 6.5, 8.5, 10.5, 12.5])
     ans['b'].attrs['marco'] = 'polo'
     ans['Epoch'] = [datetime.datetime(2010, 1, 1, 1, 0),
                     datetime.datetime(2010, 1, 1, 3, 0),
                     datetime.datetime(2010, 1, 1, 5, 0),
                     datetime.datetime(2010, 1, 1, 7, 0),
                     datetime.datetime(2010, 1, 1, 9, 0)]
     
     
     a = dm.SpaceData()
     a['a'] = dm.dmarray(range(10)) #sequence 0 through 9
     a['b'] = dm.dmarray(range(10)) + 4 #sequence 4 through 13
     a['b'].attrs['marco'] = 'polo'
     a['c'] = dm.dmarray(range(3)) + 10
     a.attrs['foo'] = 'bar'
     times = [datetime.datetime(2010, 1, 1) + datetime.timedelta(hours=i) for i in range(10)]
     out = dm.resample(a, times, winsize=datetime.timedelta(hours=2), overlap=datetime.timedelta(hours=0))
     #starting from element 0, step two hours (points) with no overlap and average
     #therefore each resulting value should be the mean of a pair of points
     #that is, ans['a'][0] should be the mean of 0 and 1
     for k, v in out.items():
         np.testing.assert_equal(v,  ans[k])
     self.assertEqual(ans.attrs, out.attrs)
     self.assertEqual(ans['b'].attrs['marco'], 'polo')
     self.assertTrue(out['b'].attrs['DEPEND_0'], 'Epoch')
     self.assertFalse('c' in out)
Beispiel #3
0
    def test_resample3(self):
        '''resample should give consistent results (2d)'''
        ans = {}
        ans['a'] = [[1., 2.], [5., 6.], [9., 10.], [13., 14.], [17., 18.]]
        ans['b'] = [4.5, 6.5, 8.5, 10.5, 12.5]
        ans['Epoch'] = [
            datetime.datetime(2010, 1, 1, 1, 0),
            datetime.datetime(2010, 1, 1, 3, 0),
            datetime.datetime(2010, 1, 1, 5, 0),
            datetime.datetime(2010, 1, 1, 7, 0),
            datetime.datetime(2010, 1, 1, 9, 0)
        ]

        a = dm.SpaceData()
        a['a'] = dm.dmarray(range(10 * 2)).reshape(10, 2)
        a['b'] = dm.dmarray(range(10)) + 4
        a['c'] = dm.dmarray(range(3)) + 10
        times = [
            datetime.datetime(2010, 1, 1) + datetime.timedelta(hours=i)
            for i in range(10)
        ]
        out = dm.resample(a,
                          times,
                          winsize=datetime.timedelta(hours=2),
                          overlap=datetime.timedelta(hours=0))
        for k, v in out.items():
            np.testing.assert_equal(v, ans[k])
Beispiel #4
0
 def test_resample2(self):
     '''resample should give consistent results (ticktock)'''
     ans = {}
     ans['a'] = [0.5, 2.5, 4.5, 6.5, 8.5]
     ans['b'] = [4.5, 6.5, 8.5, 10.5, 12.5]
     ans['Epoch'] = [
         datetime.datetime(2010, 1, 1, 1, 0),
         datetime.datetime(2010, 1, 1, 3, 0),
         datetime.datetime(2010, 1, 1, 5, 0),
         datetime.datetime(2010, 1, 1, 7, 0),
         datetime.datetime(2010, 1, 1, 9, 0)
     ]
     #For justification of test results see test above (test_resample1)
     a = dm.SpaceData()
     a['a'] = dm.dmarray(range(10))
     a['b'] = dm.dmarray(range(10)) + 4
     a['c'] = dm.dmarray(range(3)) + 10
     times = spt.Ticktock([
         datetime.datetime(2010, 1, 1) + datetime.timedelta(hours=i)
         for i in range(10)
     ])
     out = dm.resample(a,
                       times,
                       winsize=datetime.timedelta(hours=2),
                       overlap=datetime.timedelta(hours=0))
     for k, v in out.items():
         np.testing.assert_equal(v, ans[k])
Beispiel #5
0
 def test_resample1(self):
     '''resample should give consistent results'''
     ans = dm.SpaceData()
     ans.attrs['foo'] = 'bar'
     ans['a'] = [ 0.5,  2.5,  4.5,  6.5, 8.5]
     ans['b'] = dm.dmarray([4.5, 6.5, 8.5, 10.5, 12.5])
     ans['b'].attrs['marco'] = 'polo'
     ans['Epoch'] = [datetime.datetime(2010, 1, 1, 1, 0),
                     datetime.datetime(2010, 1, 1, 3, 0),
                     datetime.datetime(2010, 1, 1, 5, 0),
                     datetime.datetime(2010, 1, 1, 7, 0),
                     datetime.datetime(2010, 1, 1, 9, 0)]
     
     
     a = dm.SpaceData()
     a['a'] = dm.dmarray(range(10)) #sequence 0 through 9
     a['b'] = dm.dmarray(range(10)) + 4 #sequence 4 through 13
     a['b'].attrs['marco'] = 'polo'
     a['c'] = dm.dmarray(range(3)) + 10
     a.attrs['foo'] = 'bar'
     times = [datetime.datetime(2010, 1, 1) + datetime.timedelta(hours=i) for i in range(10)]
     out = dm.resample(a, times, winsize=datetime.timedelta(hours=2), overlap=datetime.timedelta(hours=0))
     #starting from element 0, step two hours (points) with no overlap and average
     #therefore each resulting value should be the mean of a pair of points
     #that is, ans['a'][0] should be the mean of 0 and 1
     for k, v in out.items():
         np.testing.assert_equal(v,  ans[k])
     self.assertEqual(ans.attrs, out.attrs)
     self.assertEqual(ans['b'].attrs['marco'], 'polo')
     self.assertTrue(out['b'].attrs['DEPEND_0'], 'Epoch')
     self.assertFalse('c' in out)
Beispiel #6
0
 def test_resample2(self):
     '''resample should give consistent results (ticktock)'''
     ans = {}
     ans['a'] = [ 1.,  3.,  5.,  7.]
     ans['b'] = [5.,   7.,   9.,  11.]
     ans['Epoch'] = [datetime.datetime(2010, 1, 1, 1, 0),
                     datetime.datetime(2010, 1, 1, 3, 0),
                     datetime.datetime(2010, 1, 1, 5, 0),
                     datetime.datetime(2010, 1, 1, 7, 0)]
     
     a = dm.SpaceData()
     a['a'] = dm.dmarray(range(10))
     a['b'] = dm.dmarray(range(10)) + 4
     a['c'] = dm.dmarray(range(3)) + 10
     times = spt.Ticktock([datetime.datetime(2010, 1, 1) + datetime.timedelta(hours=i) for i in range(10)])
     out = dm.resample(a, times, winsize=datetime.timedelta(hours=2), overlap=datetime.timedelta(hours=0))
     for k, v in out.items():
         np.testing.assert_equal(v,  ans[k])
Beispiel #7
0
 def test_resample2(self):
     '''resample should give consistent results (ticktock)'''
     ans = {}
     ans['a'] = [ 0.5,  2.5,  4.5,  6.5, 8.5]
     ans['b'] = [4.5, 6.5, 8.5, 10.5, 12.5]
     ans['Epoch'] = [datetime.datetime(2010, 1, 1, 1, 0),
                     datetime.datetime(2010, 1, 1, 3, 0),
                     datetime.datetime(2010, 1, 1, 5, 0),
                     datetime.datetime(2010, 1, 1, 7, 0),
                     datetime.datetime(2010, 1, 1, 9, 0)]
     #For justification of test results see test above (test_resample1)
     a = dm.SpaceData()
     a['a'] = dm.dmarray(range(10))
     a['b'] = dm.dmarray(range(10)) + 4
     a['c'] = dm.dmarray(range(3)) + 10
     times = spt.Ticktock([datetime.datetime(2010, 1, 1) + datetime.timedelta(hours=i) for i in range(10)])
     out = dm.resample(a, times, winsize=datetime.timedelta(hours=2), overlap=datetime.timedelta(hours=0))
     for k, v in out.items():
         np.testing.assert_equal(v,  ans[k])
Beispiel #8
0
 def test_resample3(self):
     '''resample should give consistent results (2d)'''
     ans = {}
     ans['a'] = [[  2.,   3.],
                 [  6.,   7.],
                 [ 10.,  11.],
                 [ 14.,  15.]]
     ans['b'] = [5.,   7.,   9.,  11.]
     ans['Epoch'] = [datetime.datetime(2010, 1, 1, 1, 0),
                     datetime.datetime(2010, 1, 1, 3, 0),
                     datetime.datetime(2010, 1, 1, 5, 0),
                     datetime.datetime(2010, 1, 1, 7, 0)]
     
     a = dm.SpaceData()
     a['a'] = dm.dmarray(range(10*2)).reshape(10,2)
     a['b'] = dm.dmarray(range(10)) + 4
     a['c'] = dm.dmarray(range(3)) + 10
     times = [datetime.datetime(2010, 1, 1) + datetime.timedelta(hours=i) for i in range(10)]
     out = dm.resample(a, times, winsize=datetime.timedelta(hours=2), overlap=datetime.timedelta(hours=0))
     for k, v in out.items():
         np.testing.assert_equal(v,  ans[k])