Beispiel #1
0
def make_stationxml(pyrocko_stations, channel_responses):
    '''Create stationxml from pyrocko station list and RESP information.

    :param pyrocko_stations: list of :py:class:`pyrocko.model.Station` objects
    :param channel_responses: iterable yielding :py:class:`ChannelResponse`
        objects
    :returns: :py:class:`pyrocko.fdsn.station.FDSNStationXML` object with
        merged information

    If no station information is available for any response information, it
    is skipped and a warning is emitted.
    '''
    pstations = dict((s.nsl(), s) for s in pyrocko_stations)
    networks = {}
    stations = {}
    for (net, sta, loc) in sorted(pstations.keys()):
        pstation = pstations[net, sta, loc]
        if net not in networks:
            networks[net] = fs.Network(code=net)

        if (net, sta) not in stations:
            stations[net, sta] = fs.Station(
                code=sta,
                latitude=fs.Latitude(pstation.lat),
                longitude=fs.Longitude(pstation.lon),
                elevation=fs.Distance(pstation.elevation))

            networks[net].station_list.append(stations[net, sta])

    for cr in channel_responses:
        net, sta, loc, cha = cr.codes
        if (net, sta, loc) in pstations:
            pstation = pstations[net, sta, loc]
            channel = fs.Channel(
                code=cha,
                location_code=loc,
                start_date=cr.start_date,
                end_date=cr.end_date,
                latitude=fs.Latitude(pstation.lat),
                longitude=fs.Longitude(pstation.lon),
                elevation=fs.Distance(pstation.elevation),
                depth=fs.Distance(pstation.depth),
                response=cr.response)

            stations[net, sta].channel_list.append(channel)
        else:
            logger.warn('no station information for %s.%s.%s' %
                        (net, sta, loc))

    for station in stations.values():
        station.channel_list.sort(key=lambda c: (c.location_code, c.code))

    return fs.FDSNStationXML(
        source='Converted from Pyrocko stations file and RESP information',
        created=time.time(),
        network_list=[networks[net_] for net_ in sorted(networks.keys())])
Beispiel #2
0
def make_stationxml(responses, inconsistencies='warn'):
    '''
    Create stationxml from "enhanced" SACPZ information.

    :param responses: iterable yielding
        :py:class:`EnhancedSacPzResponse` objects
    :returns: :py:class:`pyrocko.fdsn.station.FDSNStationXML` object
    '''

    networks = {}
    stations = {}

    station_coords = defaultdict(list)
    station_channels = defaultdict(list)
    for cr in responses:
        net, sta, loc, cha = cr.codes
        station_coords[net, sta].append(
            (cr.codes, cr.lat, cr.lon, cr.elevation))

        station_channels[net, sta].append(fs.Channel(
            code=cha,
            location_code=loc,
            start_date=cr.tmin,
            end_date=cr.tmax,
            latitude=fs.Latitude(cr.lat),
            longitude=fs.Longitude(cr.lon),
            elevation=fs.Distance(cr.elevation),
            depth=fs.Distance(cr.depth),
            response=make_stationxml_response(
                cr.response, cr.input_unit, cr.output_unit)))

    for (net, sta), v in sorted(station_coords.iteritems()):
        lat, lon, elevation = util.consistency_merge(
            v,
            message='channel lat/lon/elevation values differ',
            error=inconsistencies)

        if net not in networks:
            networks[net] = fs.Network(code=net)

        stations[net, sta] = fs.Station(
            code=sta,
            latitude=fs.Latitude(lat),
            longitude=fs.Longitude(lon),
            elevation=fs.Distance(elevation),
            channel_list=sorted(
                station_channels[net, sta],
                key=lambda c: (c.location_code, c.code)))

        networks[net].station_list.append(stations[net, sta])

    return fs.FDSNStationXML(
        source='Converted from "enhanced" SACPZ information',
        created=time.time(),
        network_list=[networks[net_] for net_ in sorted(networks.keys())])