Exemple #1
0
    def read_edf(cls, path):
        raise NotImplementedError
        # TODO: adapt
        # the following is copied from elsewhere and won't work as is
        import pyedflib

        with pyedflib.EdfReader(str(path)) as f:
            labels = f.getSignalLabels()
            for label in labels:
                index = labels.index(label)
                wav = Wave(f.readSignal(index), f.getSampleFrequency(index))
                wav.label = label
                wav.path = f.with_name(f.stem + "-" + label + ".wav")
                wav.min = f.getPhysicalMinimum(index)
                wav.max = f.getPhysicalMaximum(index)
                wav.unit = f.getPhysicalDimension(index)
Exemple #2
0
    def read_xdf(cls, path):
        raise NotImplementedError
        import openxdf

        # TODO: below is a place holder and needs to be finalize
        xdf = openxdf.OpenXDF(path)
        signals = openxdf.Signal(xdf, path.with_suffix(".nkamp"))
        # TODO: automate this, why are the xdf.header names different from signals.list_channels?
        for label in ["ECG", "Chin"]:
            # logger.info(f'reading {label} channel')
            sig = signals.read_file(label)[label]
            wav = Wave(sig.ravel(), 200)
            wav.label = label
            # wav.path = file.with_name(file.stem + '-' + label + '.wav')
            wav.min = -3200
            wav.max = 3200
            wav.unit = "1"