def process(self, timeseries): """converts a timeseries stream into a different coordinate system Parameters ---------- informat: string indicates the input coordinate system. Returns ------- out_stream: obspy.core.Stream new stream object containing the converted coordinates. """ self.check_stream(timeseries) out_stream = None if self.informat == 'geo': out_stream = StreamConverter.get_deltaf_from_geo(timeseries) elif self.informat == 'obs' or self.informat == 'obsd': out_stream = StreamConverter.get_deltaf_from_obs(timeseries) return out_stream