Python MomentTensor.resource_id方法代码示例

# 需要导入模块: from obspy.core.event import MomentTensor [as 别名]
# 或者: from obspy.core.event.MomentTensor import resource_id [as 别名]
def _read_ndk(filename, *args, **kwargs):  # @UnusedVariable
    """
    Reads an NDK file to a :class:`~obspy.core.event.Catalog` object.

    :param filename: File or file-like object in text mode.
    """
    # Read the whole file at once. While an iterator would be more efficient
    # the largest NDK file out in the wild is 13.7 MB so it does not matter
    # much.
    if not hasattr(filename, "read"):
        # Check if it exists, otherwise assume its a string.
        try:
            with open(filename, "rt") as fh:
                data = fh.read()
        except:
            try:
                data = filename.decode()
            except:
                data = str(filename)
            data = data.strip()
    else:
        data = filename.read()
        if hasattr(data, "decode"):
            data = data.decode()

    # Create iterator that yields lines.
    def lines_iter():
        prev_line = -1
        while True:
            next_line = data.find("\n", prev_line + 1)
            if next_line < 0:
                break
            yield data[prev_line + 1: next_line]
            prev_line = next_line
        if len(data) > prev_line + 1:
            yield data[prev_line + 1:]

    # Use one Flinn Engdahl object for all region determinations.
    fe = FlinnEngdahl()
    cat = Catalog(resource_id=_get_resource_id("catalog", str(uuid.uuid4())))

    # Loop over 5 lines at once.
    for _i, lines in enumerate(itertools.zip_longest(*[lines_iter()] * 5)):
        if None in lines:
            msg = "Skipped last %i lines. Not a multiple of 5 lines." % (
                lines.count(None))
            warnings.warn(msg, ObsPyNDKWarning)
            continue

        # Parse the lines to a human readable dictionary.
        try:
            record = _read_lines(*lines)
        except (ValueError, ObsPyNDKException):
            exc = traceback.format_exc()
            msg = (
                "Could not parse event %i (faulty file?). Will be "
                "skipped. Lines of the event:\n"
                "\t%s\n"
                "%s") % (_i + 1, "\n\t".join(lines), exc)
            warnings.warn(msg, ObsPyNDKWarning)
            continue

        # Use one creation info for essentially every item.
        creation_info = CreationInfo(
            agency_id="GCMT",
            version=record["version_code"]
        )

        # Use the ObsPy Flinn Engdahl region determiner as the region in the
        # NDK files is oftentimes trimmed.
        region = fe.get_region(record["centroid_longitude"],
                               record["centroid_latitude"])

        # Create an event object.
        event = Event(
            force_resource_id=False,
            event_type="earthquake",
            event_type_certainty="known",
            event_descriptions=[
                EventDescription(text=region, type="Flinn-Engdahl region"),
                EventDescription(text=record["cmt_event_name"],
                                 type="earthquake name")
            ]
        )

        # Assemble the time for the reference origin.
        try:
            time = _parse_date_time(record["date"], record["time"])
        except ObsPyNDKException:
            msg = ("Invalid time in event %i. '%s' and '%s' cannot be "
                   "assembled to a valid time. Event will be skipped.") % \
                  (_i + 1, record["date"], record["time"])
            warnings.warn(msg, ObsPyNDKWarning)
            continue

        # Create two origins, one with the reference latitude/longitude and
        # one with the centroidal values.
        ref_origin = Origin(
            force_resource_id=False,
            time=time,
#.........这里部分代码省略.........

# 需要导入模块: from obspy.core.event import MomentTensor [as 别名]
# 或者: from obspy.core.event.MomentTensor import resource_id [as 别名]
def __read_single_fnetmt_entry(line, **kwargs):
    """
    Reads a single F-net moment tensor solution to a
    :class:`~obspy.core.event.Event` object.

    :param line: String containing moment tensor information.
    :type line: str.
    """

    a = line.split()
    try:
        ot = UTCDateTime().strptime(a[0], '%Y/%m/%d,%H:%M:%S.%f')
    except ValueError:
        ot = UTCDateTime().strptime(a[0], '%Y/%m/%d,%H:%M:%S')
    lat, lon, depjma, magjma = map(float, a[1:5])
    depjma *= 1000
    region = a[5]
    strike = tuple(map(int, a[6].split(';')))
    dip = tuple(map(int, a[7].split(';')))
    rake = tuple(map(int, a[8].split(';')))
    mo = float(a[9])
    depmt = float(a[10]) * 1000
    magmt = float(a[11])
    var_red = float(a[12])
    mxx, mxy, mxz, myy, myz, mzz, unit = map(float, a[13:20])

    event_name = util.gen_sc3_id(ot)
    e = Event(event_type="earthquake")
    e.resource_id = _get_resource_id(event_name, 'event')

    # Standard JMA solution
    o_jma = Origin(time=ot, latitude=lat, longitude=lon,
                   depth=depjma, depth_type="from location",
                   region=region)
    o_jma.resource_id = _get_resource_id(event_name,
                                         'origin', 'JMA')
    m_jma = Magnitude(mag=magjma, magnitude_type='ML',
                      origin_id=o_jma.resource_id)
    m_jma.resource_id = _get_resource_id(event_name,
                                         'magnitude', 'JMA')
    # MT solution
    o_mt = Origin(time=ot, latitude=lat, longitude=lon,
                  depth=depmt, region=region,
                  depth_type="from moment tensor inversion")
    o_mt.resource_id = _get_resource_id(event_name,
                                        'origin', 'MT')
    m_mt = Magnitude(mag=magmt, magnitude_type='Mw',
                     origin_id=o_mt.resource_id)
    m_mt.resource_id = _get_resource_id(event_name,
                                        'magnitude', 'MT')
    foc_mec = FocalMechanism(triggering_origin_id=o_jma.resource_id)
    foc_mec.resource_id = _get_resource_id(event_name,
                                           "focal_mechanism")
    nod1 = NodalPlane(strike=strike[0], dip=dip[0], rake=rake[0])
    nod2 = NodalPlane(strike=strike[1], dip=dip[1], rake=rake[1])
    nod = NodalPlanes(nodal_plane_1=nod1, nodal_plane_2=nod2)
    foc_mec.nodal_planes = nod

    tensor = Tensor(m_rr=mxx, m_tt=myy, m_pp=mzz, m_rt=mxy, m_rp=mxz, m_tp=myz)
    cm = Comment(text="Basis system: North,East,Down (Jost and \
    Herrmann 1989")
    cm.resource_id = _get_resource_id(event_name, 'comment', 'mt')
    mt = MomentTensor(derived_origin_id=o_mt.resource_id,
                      moment_magnitude_id=m_mt.resource_id,
                      scalar_moment=mo, comments=[cm],
                      tensor=tensor, variance_reduction=var_red)
    mt.resource_id = _get_resource_id(event_name,
                                      'moment_tensor')
    foc_mec.moment_tensor = mt
    e.origins = [o_jma, o_mt]
    e.magnitudes = [m_jma, m_mt]
    e.focal_mechanisms = [foc_mec]
    e.preferred_magnitude_id = m_mt.resource_id.id
    e.preferred_origin_id = o_mt.resource_id.id
    e.preferred_focal_mechanism_id = foc_mec.resource_id.id
    return e

# 需要导入模块: from obspy.core.event import MomentTensor [as 别名]
# 或者: from obspy.core.event.MomentTensor import resource_id [as 别名]
    def build(self):
        """
        Build an obspy moment tensor focal mech event

        This makes the tensor output into an Event containing:
        1) a FocalMechanism with a MomentTensor, NodalPlanes, and PrincipalAxes
        2) a Magnitude of the Mw from the Tensor

        Which is what we want for outputting QuakeML using
        the (slightly modified) obspy code.

        Input
        -----
        filehandle => open file OR str from filehandle.read()

        Output
        ------
        event => instance of Event() class as described above
        """
        p = self.parser
        event         = Event(event_type='earthquake')
        origin        = Origin()
        focal_mech    = FocalMechanism()
        nodal_planes  = NodalPlanes()
        moment_tensor = MomentTensor()
        principal_ax  = PrincipalAxes()
        magnitude     = Magnitude()
        data_used     = DataUsed()
        creation_info = CreationInfo(agency_id='NN')
        ev_mode = 'automatic'
        ev_stat = 'preliminary'
        evid = None
        orid = None
        # Parse the entire file line by line.
        for n,l in enumerate(p.line):
            if 'REVIEWED BY NSL STAFF' in l:
                ev_mode = 'manual'
                ev_stat = 'reviewed'
            if 'Event ID' in l:
                evid = p._id(n)
            if 'Origin ID' in l:
                orid = p._id(n)
            if 'Ichinose' in l:
                moment_tensor.category = 'regional'
            if re.match(r'^\d{4}\/\d{2}\/\d{2}', l):
                ev = p._event_info(n)
            if 'Depth' in l:
                derived_depth = p._depth(n)
            if 'Mw' in l:
                magnitude.mag = p._mw(n) 
                magnitude.magnitude_type = 'Mw'
            if 'Mo' in l and 'dyne' in l:
                moment_tensor.scalar_moment = p._mo(n)
            if 'Percent Double Couple' in l:
                moment_tensor.double_couple = p._percent(n)
            if 'Percent CLVD' in l:
                moment_tensor.clvd = p._percent(n)
            if 'Epsilon' in l:
                moment_tensor.variance = p._epsilon(n)
            if 'Percent Variance Reduction' in l:
                moment_tensor.variance_reduction = p._percent(n)
            if 'Major Double Couple' in l and 'strike' in p.line[n+1]:
                np = p._double_couple(n)
                nodal_planes.nodal_plane_1 = NodalPlane(*np[0])
                nodal_planes.nodal_plane_2 = NodalPlane(*np[1])
                nodal_planes.preferred_plane = 1
            if 'Spherical Coordinates' in l:
                mt = p._mt_sphere(n)
                moment_tensor.tensor = Tensor(
                    m_rr = mt['Mrr'],
                    m_tt = mt['Mtt'],
                    m_pp = mt['Mff'],
                    m_rt = mt['Mrt'],
                    m_rp = mt['Mrf'],
                    m_tp = mt['Mtf'],
                    )
            if 'Eigenvalues and eigenvectors of the Major Double Couple' in l:
                ax = p._vectors(n)
                principal_ax.t_axis = Axis(ax['T']['trend'], ax['T']['plunge'], ax['T']['ev'])
                principal_ax.p_axis = Axis(ax['P']['trend'], ax['P']['plunge'], ax['P']['ev'])
                principal_ax.n_axis = Axis(ax['N']['trend'], ax['N']['plunge'], ax['N']['ev'])
            if 'Number of Stations' in l:
                data_used.station_count = p._number_of_stations(n)
            if 'Maximum' in l and 'Gap' in l:
                focal_mech.azimuthal_gap = p._gap(n)
            if re.match(r'^Date', l):
                creation_info.creation_time = p._creation_time(n)
        # Creation Time
        creation_info.version = orid
        # Fill in magnitude values
        magnitude.evaluation_mode = ev_mode
        magnitude.evaluation_status = ev_stat
        magnitude.creation_info = creation_info.copy()
        magnitude.resource_id = self._rid(magnitude)
        # Stub origin
        origin.time = ev.get('time')
        origin.latitude = ev.get('lat')
        origin.longitude = ev.get('lon')
        origin.depth = derived_depth * 1000.
        origin.depth_type = "from moment tensor inversion"
#.........这里部分代码省略.........

# 需要导入模块: from obspy.core.event import MomentTensor [as 别名]
# 或者: from obspy.core.event.MomentTensor import resource_id [as 别名]
    def _parse_record_dp(self, line, event):
        """
        Parses the 'source parameter data - primary' record Dp
        """
        source_contributor = line[2:6].strip()
        computation_type = line[6]
        exponent = self._int_zero(line[7])
        scale = math.pow(10, exponent)
        centroid_origin_time = line[8:14] + '.' + line[14]
        orig_time_stderr = line[15:17]
        if orig_time_stderr == 'FX':
            orig_time_stderr = 'Fixed'
        else:
            orig_time_stderr = \
                self._float_with_format(orig_time_stderr, '2.1', scale)
        centroid_latitude = self._float_with_format(line[17:21], '4.2')
        lat_type = line[21]
        if centroid_latitude is not None:
            centroid_latitude *= self._coordinate_sign(lat_type)
        lat_stderr = line[22:25]
        if lat_stderr == 'FX':
            lat_stderr = 'Fixed'
        else:
            lat_stderr = self._float_with_format(lat_stderr, '3.2', scale)
        centroid_longitude = self._float_with_format(line[25:30], '5.2')
        lon_type = line[30]
        if centroid_longitude is not None:
            centroid_longitude *= self._coordinate_sign(lon_type)
        lon_stderr = line[31:34]
        if lon_stderr == 'FX':
            lon_stderr = 'Fixed'
        else:
            lon_stderr = self._float_with_format(lon_stderr, '3.2', scale)
        centroid_depth = self._float_with_format(line[34:38], '4.1')
        depth_stderr = line[38:40]
        if depth_stderr == 'FX' or depth_stderr == 'BD':
            depth_stderr = 'Fixed'
        else:
            depth_stderr = self._float_with_format(depth_stderr, '2.1', scale)
        station_number = self._int_zero(line[40:43])
        component_number = self._int_zero(line[43:46])
        station_number2 = self._int_zero(line[46:48])
        component_number2 = self._int_zero(line[48:51])
        # unused: half_duration = self._float_with_format(line[51:54], '3.1')
        moment = self._float_with_format(line[54:56], '2.1')
        moment_stderr = self._float_with_format(line[56:58], '2.1')
        moment_exponent = self._int(line[58:60])
        if (moment is not None) and (moment_exponent is not None):
            moment *= math.pow(10, moment_exponent)
        if (moment_stderr is not None) and (moment_exponent is not None):
            moment_stderr *= math.pow(10, moment_exponent)

        evid = event.resource_id.id.split('/')[-1]
        # Create a new origin only if centroid time is defined:
        origin = None
        if centroid_origin_time.strip() != '.':
            origin = Origin()
            res_id = '/'.join((res_id_prefix, 'origin',
                               evid, source_contributor.lower(),
                               'mw' + computation_type.lower()))
            origin.resource_id = ResourceIdentifier(id=res_id)
            origin.creation_info = \
                CreationInfo(agency_id=source_contributor)
            date = event.origins[0].time.strftime('%Y%m%d')
            origin.time = UTCDateTime(date + centroid_origin_time)
            # Check if centroid time is on the next day:
            if origin.time < event.origins[0].time:
                origin.time += timedelta(days=1)
            self._store_uncertainty(origin.time_errors, orig_time_stderr)
            origin.latitude = centroid_latitude
            origin.longitude = centroid_longitude
            origin.depth = centroid_depth * 1000
            if lat_stderr == 'Fixed' and lon_stderr == 'Fixed':
                origin.epicenter_fixed = True
            else:
                self._store_uncertainty(origin.latitude_errors,
                                        self._lat_err_to_deg(lat_stderr))
                self._store_uncertainty(origin.longitude_errors,
                                        self._lon_err_to_deg(lon_stderr,
                                                             origin.latitude))
            if depth_stderr == 'Fixed':
                origin.depth_type = 'operator assigned'
            else:
                origin.depth_type = 'from location'
                self._store_uncertainty(origin.depth_errors,
                                        depth_stderr, scale=1000)
            quality = OriginQuality()
            quality.used_station_count = \
                station_number + station_number2
            quality.used_phase_count = \
                component_number + component_number2
            origin.quality = quality
            origin.origin_type = 'centroid'
            event.origins.append(origin)
        focal_mechanism = FocalMechanism()
        res_id = '/'.join((res_id_prefix, 'focalmechanism',
                           evid, source_contributor.lower(),
                           'mw' + computation_type.lower()))
        focal_mechanism.resource_id = ResourceIdentifier(id=res_id)
        focal_mechanism.creation_info = \
#.........这里部分代码省略.........

# 需要导入模块: from obspy.core.event import MomentTensor [as 别名]
# 或者: from obspy.core.event.MomentTensor import resource_id [as 别名]
    def _parseRecordDp(self, line, event):
        """
        Parses the 'source parameter data - primary' record Dp
        """
        source_contributor = line[2:6].strip()
        computation_type = line[6]
        exponent = self._intZero(line[7])
        scale = math.pow(10, exponent)
        centroid_origin_time = line[8:14] + "." + line[14]
        orig_time_stderr = line[15:17]
        if orig_time_stderr == "FX":
            orig_time_stderr = "Fixed"
        else:
            orig_time_stderr = self._floatWithFormat(orig_time_stderr, "2.1", scale)
        centroid_latitude = self._floatWithFormat(line[17:21], "4.2")
        lat_type = line[21]
        if centroid_latitude is not None:
            centroid_latitude *= self._coordinateSign(lat_type)
        lat_stderr = line[22:25]
        if lat_stderr == "FX":
            lat_stderr = "Fixed"
        else:
            lat_stderr = self._floatWithFormat(lat_stderr, "3.2", scale)
        centroid_longitude = self._floatWithFormat(line[25:30], "5.2")
        lon_type = line[30]
        if centroid_longitude is not None:
            centroid_longitude *= self._coordinateSign(lon_type)
        lon_stderr = line[31:34]
        if lon_stderr == "FX":
            lon_stderr = "Fixed"
        else:
            lon_stderr = self._floatWithFormat(lon_stderr, "3.2", scale)
        centroid_depth = self._floatWithFormat(line[34:38], "4.1")
        depth_stderr = line[38:40]
        if depth_stderr == "FX" or depth_stderr == "BD":
            depth_stderr = "Fixed"
        else:
            depth_stderr = self._floatWithFormat(depth_stderr, "2.1", scale)
        station_number = self._intZero(line[40:43])
        component_number = self._intZero(line[43:46])
        station_number2 = self._intZero(line[46:48])
        component_number2 = self._intZero(line[48:51])
        # unused: half_duration = self._floatWithFormat(line[51:54], '3.1')
        moment = self._floatWithFormat(line[54:56], "2.1")
        moment_stderr = self._floatWithFormat(line[56:58], "2.1")
        moment_exponent = self._int(line[58:60])
        if (moment is not None) and (moment_exponent is not None):
            moment *= math.pow(10, moment_exponent)
        if (moment_stderr is not None) and (moment_exponent is not None):
            moment_stderr *= math.pow(10, moment_exponent)

        evid = event.resource_id.id.split("/")[-1]
        # Create a new origin only if centroid time is defined:
        origin = None
        if centroid_origin_time.strip() != ".":
            origin = Origin()
            res_id = "/".join(
                (res_id_prefix, "origin", evid, source_contributor.lower(), "mw" + computation_type.lower())
            )
            origin.resource_id = ResourceIdentifier(id=res_id)
            origin.creation_info = CreationInfo(agency_id=source_contributor)
            date = event.origins[0].time.strftime("%Y%m%d")
            origin.time = UTCDateTime(date + centroid_origin_time)
            # Check if centroid time is on the next day:
            if origin.time < event.origins[0].time:
                origin.time += timedelta(days=1)
            self._storeUncertainty(origin.time_errors, orig_time_stderr)
            origin.latitude = centroid_latitude
            origin.longitude = centroid_longitude
            origin.depth = centroid_depth * 1000
            if lat_stderr == "Fixed" and lon_stderr == "Fixed":
                origin.epicenter_fixed = True
            else:
                self._storeUncertainty(origin.latitude_errors, self._latErrToDeg(lat_stderr))
                self._storeUncertainty(origin.longitude_errors, self._lonErrToDeg(lon_stderr, origin.latitude))
            if depth_stderr == "Fixed":
                origin.depth_type = "operator assigned"
            else:
                origin.depth_type = "from location"
                self._storeUncertainty(origin.depth_errors, depth_stderr, scale=1000)
            quality = OriginQuality()
            quality.used_station_count = station_number + station_number2
            quality.used_phase_count = component_number + component_number2
            origin.quality = quality
            origin.type = "centroid"
            event.origins.append(origin)
        focal_mechanism = FocalMechanism()
        res_id = "/".join(
            (res_id_prefix, "focalmechanism", evid, source_contributor.lower(), "mw" + computation_type.lower())
        )
        focal_mechanism.resource_id = ResourceIdentifier(id=res_id)
        focal_mechanism.creation_info = CreationInfo(agency_id=source_contributor)
        moment_tensor = MomentTensor()
        if origin is not None:
            moment_tensor.derived_origin_id = origin.resource_id
        else:
            # this is required for QuakeML validation:
            res_id = "/".join((res_id_prefix, "no-origin"))
            moment_tensor.derived_origin_id = ResourceIdentifier(id=res_id)
        for mag in event.magnitudes:
#.........这里部分代码省略.........