@property
    def volume(self):
        from .. import volume
        if self.linear:
            data = volume.unmask(self.mask, self.data[:])
        else:
            data = self.data[:]

        if not self.movie:
            data = data[np.newaxis]

        return data
Standardizes the VolumeData, ensuring that masked data are unmasked
dataset/ETHPy150Open gallantlab/pycortex/cortex/dataset/braindata.py/VolumeData.volume