Synthesize command line parameters

        e.g. [ ['struct.vsa'], ['struct.cell']]

def cmdline_params(self, surface_sample_file_name, cell_file_name):
        """Synthesize command line parameters

        e.g. [ ['struct.vsa'], ['struct.cell']]
        """
        parameters = []

        parameters += [surface_sample_file_name]
        parameters += [cell_file_name]
        parameters += [self._OUTPUT_FILE_NAME]

        return map(str, parameters)