Export the sEIT data into data files that can be read by CRTomo.

        Parameters
        ----------
        directory : string
            output directory. will be created if required
        norrec : string (nor|rec|norrec)
            Which data to export. Default: norrec

def export_to_directory_crtomo(self, directory, norrec='norrec'):
        """Export the sEIT data into data files that can be read by CRTomo.

        Parameters
        ----------
        directory : string
            output directory. will be created if required
        norrec : string (nor|rec|norrec)
            Which data to export. Default: norrec

        """
        exporter_crtomo.write_files_to_directory(
            self.data, directory, norrec=norrec
        )