Reads the common format and converts to output data
        data_format - the format of the output data.  See utils.input.dataformats

def get_data(self, data_format):
        """
        Reads the common format and converts to output data
        data_format - the format of the output data.  See utils.input.dataformats
        """
        if data_format not in self.output_formats:
            raise Exception("Output format {0} not available with this class. Available formats are {1}.".format(data_format, self.output_formats))
        data_converter = getattr(self, "to_" + data_format)
        return data_converter()