def quality_to_apply(self):
        """Value of quality parameter to use in processing request.

        Simple substitution of 'native' or 'default' if no quality
        parameter is specified.
        """
        if (self.request.quality is None):
            if (self.api_version <= '1.1'):
                return('native')
            else:
                return('default')
        return(self.request.quality)
Value of quality parameter to use in processing request.

        Simple substitution of 'native' or 'default' if no quality
        parameter is specified.