Exemplo n.º 1
0
def test_klusters_loader_2():
    # Open the mock data.
    dir = TEST_FOLDER
    xmlfile = os.path.join(dir, 'test.xml')
    l = KlustersLoader(filename=xmlfile)
    
    # Get full data sets.
    features = l.get_features()
    masks = l.get_masks()
    waveforms = l.get_waveforms()
    clusters = l.get_clusters()
    spiketimes = l.get_spiketimes()
    nclusters = len(Counter(clusters))
    
    probe = l.get_probe()
    cluster_colors = l.get_cluster_colors()
    cluster_groups = l.get_cluster_groups()
    group_colors = l.get_group_colors()
    group_names = l.get_group_names()
    cluster_sizes = l.get_cluster_sizes()
    
    
    # Check selection.
    # ----------------
    index = nspikes / 2
    waveform = select(waveforms, index)
    cluster = clusters[index]
    spikes_in_cluster = np.nonzero(clusters == cluster)[0]
    nspikes_in_cluster = len(spikes_in_cluster)
    l.select(clusters=[cluster])
    
    
    # Check the size of the selected data.
    # ------------------------------------
    assert check_shape(l.get_features(), (nspikes_in_cluster, 
                                          nchannels * fetdim + 1))
    assert check_shape(l.get_masks(full=True), (nspikes_in_cluster, 
                                                nchannels * fetdim + 1))
    assert check_shape(l.get_waveforms(), 
                       (nspikes_in_cluster, nsamples, nchannels))
    assert check_shape(l.get_clusters(), (nspikes_in_cluster,))
    assert check_shape(l.get_spiketimes(), (nspikes_in_cluster,))
    
    
    # Check waveform sub selection.
    # -----------------------------
    waveforms_selected = l.get_waveforms()
    assert np.array_equal(get_array(select(waveforms_selected, index)), 
        get_array(waveform))
        
    l.close()
Exemplo n.º 2
0
def test_klusters_loader_2():
    # Open the mock data.
    dir = TEST_FOLDER
    xmlfile = os.path.join(dir, 'test.xml')
    l = KlustersLoader(filename=xmlfile)

    # Get full data sets.
    features = l.get_features()
    masks = l.get_masks()
    waveforms = l.get_waveforms()
    clusters = l.get_clusters()
    spiketimes = l.get_spiketimes()
    nclusters = len(Counter(clusters))

    probe = l.get_probe()
    cluster_colors = l.get_cluster_colors()
    cluster_groups = l.get_cluster_groups()
    group_colors = l.get_group_colors()
    group_names = l.get_group_names()
    cluster_sizes = l.get_cluster_sizes()

    # Check selection.
    # ----------------
    index = nspikes / 2
    waveform = select(waveforms, index)
    cluster = clusters[index]
    spikes_in_cluster = np.nonzero(clusters == cluster)[0]
    nspikes_in_cluster = len(spikes_in_cluster)
    l.select(clusters=[cluster])

    # Check the size of the selected data.
    # ------------------------------------
    assert check_shape(l.get_features(),
                       (nspikes_in_cluster, nchannels * fetdim + 1))
    assert check_shape(l.get_masks(full=True),
                       (nspikes_in_cluster, nchannels * fetdim + 1))
    assert check_shape(l.get_waveforms(),
                       (nspikes_in_cluster, nsamples, nchannels))
    assert check_shape(l.get_clusters(), (nspikes_in_cluster, ))
    assert check_shape(l.get_spiketimes(), (nspikes_in_cluster, ))

    # Check waveform sub selection.
    # -----------------------------
    waveforms_selected = l.get_waveforms()
    assert np.array_equal(get_array(select(waveforms_selected, index)),
                          get_array(waveform))

    l.close()
Exemplo n.º 3
0
def test_hdf5_loader1():
    # Open the mock data.
    dir = TEST_FOLDER
    filename = os.path.join(dir, 'test.xml')
    
    global nspikes
    nspikes_total = nspikes
    
    # Convert in HDF5.
    klusters_to_hdf5(filename)
        
    # Open the file.
    filename_h5 = os.path.join(dir, 'test.kwik')
    
    l = HDF5Loader(filename=filename_h5)
    lk = KlustersLoader(filename=filename)
    
    # Open probe.
    probe = l.get_probe()
    assert np.array_equal(probe[1]['channels'], np.arange(nchannels))
    
    # Select cluster.
    cluster = 3
    l.select(clusters=[cluster])
    lk.select(clusters=[cluster])
    
    # Get clusters.
    clusters = l.get_clusters('all')
    clusters_k = lk.get_clusters('all')
    nspikes = np.sum(clusters == cluster)
    
    # Check the clusters are correct.
    assert np.array_equal(get_array(clusters), get_array(clusters_k))
    
    # Get the spike times.
    spiketimes = l.get_spiketimes()
    spiketimes_k = lk.get_spiketimes()
    assert np.all(spiketimes <= 60)
    
    # Check the spiketimes are correct.
    assert np.allclose(get_array(spiketimes), get_array(spiketimes_k))
    
    # Get features.
    features = l.get_features()
    spikes = l.get_spikes()
    # Assert the indices in the features Pandas object correspond to the
    # spikes in the selected cluster.
    assert np.array_equal(features.index, spikes)
    # Assert the array has the right number of spikes.
    assert features.shape[0] == nspikes
    assert l.fetdim == fetdim
    assert l.nextrafet == 1
    
    # Get all features.
    features = l.get_features('all')
    features_k = lk.get_features('all')
    assert type(features) == pd.DataFrame
    assert features.shape[0] == nspikes_total
    
    # Check the features are correct.
    f = get_array(features)[:,:-1]
    f_k = get_array(features_k)[:,:-1]
    normalize_inplace(f)
    normalize_inplace(f_k)
    assert np.allclose(f, f_k, atol=1e-5)
    
    
    # Get masks.
    masks = l.get_masks('all')
    masks_k = lk.get_masks('all')
    assert masks.shape[0] == nspikes_total
    
    # Check the masks.
    assert np.allclose(masks.values, masks_k.values, atol=1e-2)
    
    # Get waveforms.
    waveforms = l.get_waveforms().values
    waveforms_k = lk.get_waveforms().values
    assert np.array_equal(waveforms.shape, (nspikes, nsamples, nchannels))
    
    # Check waveforms
    normalize_inplace(waveforms)
    normalize_inplace(waveforms_k)
    assert np.allclose(waveforms, waveforms_k, atol=1e-4)
    
    l.close()