def test_rectify_signals():
dataio = DataIO(dirname = 'datatest')
sigs = dataio.get_signals(seg_num=0)
retified_sigs = rectify_signals(normalize_signals(sigs), threshold = -4)
fig, ax = pyplot.subplots()
retified_sigs[3.14:3.22].plot(ax = ax)
ax.set_ylim(-20, 10)
def test_detect_peak_method_span():
dataio = DataIO(dirname = 'datatest')
sigs = dataio.get_signals(seg_num=0)
normed_sigs = normalize_signals(sigs)
retified_sigs = rectify_signals(normed_sigs, threshold = -4)
peaks_pos = detect_peak_method_span(retified_sigs, peak_sign='-', n_span = 5)
peaks_index = sigs.index[peaks_pos]
fig, ax = pyplot.subplots()
chunk = retified_sigs[3.14:3.22]
chunk.plot(ax = ax)
peaks_value = retified_sigs.loc[peaks_index]
peaks_value[3.14:3.22].plot(marker = 'o', linestyle = 'None', ax = ax, color = 'k')
ax.set_ylim(-20, 10)
fig, ax = pyplot.subplots()
chunk = normed_sigs[3.14:3.22]
chunk.plot(ax = ax)
peaks_value = normed_sigs.loc[peaks_index]
peaks_value[3.14:3.22].plot(marker = 'o', linestyle = 'None', ax = ax, color = 'k')
ax.set_ylim(-20, 10)
