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"""
Smoke testing of the viz module.
"""
import numpy as np
import numpy.testing as npt
from nitime.timeseries import TimeSeries
from nitime.analysis import CorrelationAnalyzer
from nitime.viz import drawmatrix_channels, drawgraph_channels, plot_xcorr
try:
import nx
no_networkx = False
no_networkx_msg = ''
except ImportError as e:
no_networkx = True
no_networkx_msg = e.args[0]
roi_names = ['a','b','c','d','e','f','g','h','i','j']
data = np.random.rand(10,1024)
T = TimeSeries(data, sampling_interval=np.pi)
T.metadata['roi'] = roi_names
#Initialize the correlation analyzer
C = CorrelationAnalyzer(T)
def test_drawmatrix_channels():
fig01 = drawmatrix_channels(C.corrcoef, roi_names, size=[10., 10.], color_anchor=0)
def test_plot_xcorr():
xc = C.xcorr_norm
fig02 = plot_xcorr(xc,
((0, 1),
(2, 3)),
line_labels=['a', 'b'])
@npt.dec.skipif(no_networkx, no_networkx_msg)
def test_drawgraph_channels():
fig04 = drawgraph_channels(C.corrcoef, roi_names)
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