Python obspy.read方法代碼示例

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def read_coal4D(self, fname):
        """
        Reads a binary numpy file containing 4-D coalescence grid output by
        _compute() .

        Parameters
        ----------
        fname : str or pathlib.Path object
            Location of file to be read

        Returns
        -------
        map_4d : array-like
            4-D coalescence grid

        """

        map_4d = np.load(fname)

        return map_4d 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_process_obsd():

    st = testobs.copy()
    inv = deepcopy(teststaxml)
    event = obspy.readEvents(testquakeml)[0]
    origin = event.preferred_origin() or event.origins[0]
    event_lat = origin.latitude
    event_lon = origin.longitude
    event_time = origin.time

    pre_filt = [1/90., 1/60., 1/27.0, 1/22.5]
    t1 = event_time
    t2 = event_time + 6000.0
    st_new = proc.process_stream(
        st, remove_response_flag=True, water_level=60, inventory=inv,
        filter_flag=True, pre_filt=pre_filt,
        starttime=t1, endtime=t2, resample_flag=True,
        sampling_rate=2.0, taper_type="hann",
        taper_percentage=0.05, rotate_flag=True,
        event_latitude=event_lat,
        event_longitude=event_lon)
    bmfile = os.path.join(DATA_DIR, "proc", "IU.KBL.obs.proc.mseed")
    st_compare = obspy.read(bmfile)
    assert compare_stream_kernel(st_new, st_compare) 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_process_synt():
    staxmlfile = os.path.join(DATA_DIR, "stationxml", "IU.KBL.syn.xml")
    inv = obspy.read_inventory(staxmlfile)

    st = testsyn.copy()
    event = obspy.readEvents(testquakeml)[0]
    origin = event.preferred_origin() or event.origins[0]
    event_lat = origin.latitude
    event_lon = origin.longitude
    event_time = origin.time

    pre_filt = [1/90., 1/60., 1/27.0, 1/22.5]
    t1 = event_time
    t2 = event_time + 6000.0
    st_new = proc.process_stream(
        st, remove_response_flag=False, inventory=inv,
        filter_flag=True, pre_filt=pre_filt,
        starttime=t1, endtime=t2, resample_flag=True,
        sampling_rate=2.0, taper_type="hann",
        taper_percentage=0.05, rotate_flag=True,
        event_latitude=event_lat,
        event_longitude=event_lon)
    bmfile = os.path.join(DATA_DIR, "proc", "IU.KBL.syn.proc.mseed")
    st_compare = obspy.read(bmfile)
    assert compare_stream_kernel(st_new, st_compare) 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_update_user_levels():
    obs_tr = read(obsfile)[0]
    syn_tr = read(synfile)[0]

    config_file = os.path.join(DATA_DIR, "window", "27_60.BHZ.config.yaml")
    config = wio.load_window_config_yaml(config_file)

    cat = readEvents(quakeml)
    inv = read_inventory(staxml)

    user_module = "pytomo3d.window.tests.user_module_example"
    config = win.update_user_levels(user_module, config, inv, cat,
                                    obs_tr, syn_tr)

    npts = obs_tr.stats.npts
    assert isinstance(config.stalta_waterlevel, np.ndarray)
    assert len(config.stalta_waterlevel) == npts
    assert isinstance(config.tshift_acceptance_level, np.ndarray)
    assert len(config.tshift_acceptance_level) == npts
    assert isinstance(config.dlna_acceptance_level, np.ndarray)
    assert len(config.dlna_acceptance_level) == npts
    assert isinstance(config.cc_acceptance_level, np.ndarray)
    assert len(config.cc_acceptance_level) == npts
    assert isinstance(config.s2n_limit, np.ndarray)
    assert len(config.s2n_limit) == npts 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_window_on_trace():
    obs_tr = read(obsfile).select(channel="*R")[0]
    syn_tr = read(synfile).select(channel="*R")[0]

    config_file = os.path.join(DATA_DIR, "window", "27_60.BHZ.config.yaml")
    config = wio.load_window_config_yaml(config_file)

    cat = readEvents(quakeml)
    inv = read_inventory(staxml)

    windows = win.window_on_trace(obs_tr, syn_tr, config, station=inv,
                                  event=cat, _verbose=False,
                                  figure_mode=False)

    assert len(windows) == 5

    winfile_bm = os.path.join(DATA_DIR, "window",
                              "IU.KBL..BHR.window.json")
    with open(winfile_bm) as fh:
        windows_json = json.load(fh)
    for _win, _win_json_bm in zip(windows, windows_json):
        _win_bm = Window._load_from_json_content(_win_json_bm)
        assert _win == _win_bm 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_window_on_trace_with_none_user_levels():
    obs_tr = read(obsfile).select(channel="*R")[0]
    syn_tr = read(synfile).select(channel="*R")[0]

    config_file = os.path.join(DATA_DIR, "window", "27_60.BHZ.config.yaml")
    config = wio.load_window_config_yaml(config_file)

    cat = readEvents(quakeml)
    inv = read_inventory(staxml)

    windows = win.window_on_trace(obs_tr, syn_tr, config, station=inv,
                                  event=cat, user_module="None",
                                  _verbose=False, figure_mode=False)

    winfile_bm = os.path.join(DATA_DIR, "window",
                              "IU.KBL..BHR.window.json")
    with open(winfile_bm) as fh:
        windows_json = json.load(fh)
    for _win, _win_json_bm in zip(windows, windows_json):
        _win_bm = Window._load_from_json_content(_win_json_bm)
        assert _win == _win_bm 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_window_on_stream():
    obs_tr = read(obsfile)
    syn_tr = read(synfile)

    config_file = os.path.join(DATA_DIR, "window", "27_60.BHZ.config.yaml")
    config = wio.load_window_config_yaml(config_file)
    config_dict = {"Z": config, "R": config, "T": config}

    config_file = os.path.join(DATA_DIR, "window", "27_60.BHZ.config.yaml")
    config = wio.load_window_config_yaml(config_file)

    cat = readEvents(quakeml)
    inv = read_inventory(staxml)

    windows = win.window_on_stream(obs_tr, syn_tr, config_dict, station=inv,
                                   event=cat, _verbose=False,
                                   figure_mode=False)

    assert len(windows) == 3
    nwins = dict((_w, len(windows[_w])) for _w in windows)
    assert nwins == {"IU.KBL..BHR": 5, "IU.KBL..BHZ": 2, "IU.KBL..BHT": 4} 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_window_on_stream_user_levels():
    obs_tr = read(obsfile)
    syn_tr = read(synfile)

    config_file = os.path.join(DATA_DIR, "window", "27_60.BHZ.config.yaml")
    config = wio.load_window_config_yaml(config_file)
    config_dict = {"Z": config, "R": config, "T": config}

    config_file = os.path.join(DATA_DIR, "window", "27_60.BHZ.config.yaml")
    config = wio.load_window_config_yaml(config_file)

    cat = readEvents(quakeml)
    inv = read_inventory(staxml)

    _mod = "pytomo3d.window.tests.user_module_example"
    user_modules = {"BHZ": _mod, "BHR": _mod, "BHT": _mod}

    windows = win.window_on_stream(obs_tr, syn_tr, config_dict, station=inv,
                                   event=cat, user_modules=user_modules,
                                   _verbose=False,
                                   figure_mode=False)

    assert len(windows) == 3
    nwins = dict((_w, len(windows[_w])) for _w in windows)
    assert nwins == {"IU.KBL..BHR": 5, "IU.KBL..BHZ": 2, "IU.KBL..BHT": 4} 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_plot_window_figure(tmpdir):
    reset_matplotlib()

    obs_tr = read(obsfile).select(channel="*R")[0]
    syn_tr = read(synfile).select(channel="*R")[0]

    config_file = os.path.join(DATA_DIR, "window", "27_60.BHZ.config.yaml")
    config = wio.load_window_config_yaml(config_file)

    cat = readEvents(quakeml)
    inv = read_inventory(staxml)

    ws = WindowSelector(obs_tr, syn_tr, config, event=cat, station=inv)
    windows = ws.select_windows()

    assert len(windows) > 0

    win.plot_window_figure(str(tmpdir), obs_tr.id, ws, True,
                           figure_format="png") 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_stationxml_is_invalid_tag_name(tmpdir):
    """
    StationXML is an invalid waveform path.
    """
    filename = os.path.join(tmpdir.strpath, "example.h5")

    data_set = ASDFDataSet(filename)
    st = obspy.read()

    with pytest.raises(ValueError):
        data_set.add_waveforms(st, tag="StationXML")
    with pytest.raises(ValueError):
        data_set.add_waveforms(st, tag="stationxml")

    # Adding with a proper path works just fine.
    data_set.add_waveforms(st, tag="random_waveform") 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_adding_a_provenance_record(tmpdir):
    """
    Tests adding a provenance record.
    """
    asdf_filename = os.path.join(tmpdir.strpath, "test.h5")
    data_set = ASDFDataSet(asdf_filename)

    filename = os.path.join(data_dir, "example_schematic_processing_chain.xml")

    # Add it as a document.
    doc = prov.read(filename, format="xml")
    data_set.add_provenance_document(doc, name="test_provenance")
    del data_set

    # Read it again.
    data_set = ASDFDataSet(asdf_filename)
    assert data_set.provenance.test_provenance == doc 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_provenance_dicionary_behaviour(tmpdir):
    asdf_filename = os.path.join(tmpdir.strpath, "test.h5")
    data_set = ASDFDataSet(asdf_filename)

    filename = os.path.join(data_dir, "example_schematic_processing_chain.xml")

    # Add it as a document.
    doc = prov.read(filename, format="xml")
    # Setting via setitem.
    data_set.provenance["test_provenance"] = doc

    data_set.__del__()
    del data_set

    new_data_set = ASDFDataSet(asdf_filename)
    assert new_data_set.provenance.list() == ["test_provenance"]

    assert new_data_set.provenance["test_provenance"] == doc
    assert getattr(new_data_set.provenance, "test_provenance") == doc

    assert list(new_data_set.provenance.keys()) == ["test_provenance"]
    assert list(new_data_set.provenance.values()) == [doc]
    assert list(new_data_set.provenance.items()) == [("test_provenance", doc)] 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_deleting_provenance_records(tmpdir):
    """
    Tests the deletion of provenance records.
    """
    asdf_filename = os.path.join(tmpdir.strpath, "test.h5")
    ds = ASDFDataSet(asdf_filename)

    filename = os.path.join(data_dir, "example_schematic_processing_chain.xml")

    doc = prov.read(filename, format="xml")

    # Delete via attribute access.
    ds.add_provenance_document(doc, name="test_provenance")
    assert ds.provenance.test_provenance
    del ds.provenance.test_provenance
    with pytest.raises(AttributeError):
        ds.provenance.test_provenance

    # Delete via key access.
    ds.add_provenance_document(doc, name="test_provenance")
    assert ds.provenance["test_provenance"]
    del ds.provenance["test_provenance"]
    with pytest.raises(KeyError):
        ds.provenance["test_provenance"] 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def test_warning_that_data_exists_shows_up_every_time(tmpdir):
    asdf_filename = os.path.join(tmpdir.strpath, "test.h5")
    ds = ASDFDataSet(asdf_filename)

    tr = obspy.read()[0]
    # Make sure hash is unique.
    tr.stats.starttime += 12345.789

    # No warning for first time.
    with warnings.catch_warnings(record=True) as w:
        ds.add_waveforms(tr, tag="a")
    assert len(w) == 0

    # Warning for all subsequent times.
    for _i in range(10):
        _i += 1
        with warnings.catch_warnings(record=True) as w:
            ds.add_waveforms(tr, tag="a")
        assert len(w) == 1, "Run %i" % _i
        assert w[0].category is ASDFWarning, "Run %i" % _i
        assert "already exists in file" in str(w[0].message), "Run %i" % _i 

# 需要導入模塊: import obspy [as 別名]
# 或者: from obspy import read [as 別名]
def save_waveforms_iter(self, base_output_path, output_format, waveforms):
        """
        Save waveforms, returning an iterator of WaveformResult objects whose values are
        True (saved), False (already saved), or Exception (error)
        This is so the GUI layer can handle save progress and errors in its own fashion
        """
        if not os.path.exists(base_output_path):
            try:
                os.makedirs(base_output_path, 0o700)
            except Exception as e:
                raise Exception("Could not create the output path: %s" % str(e))

        # Get the file extension to use
        extension = OUTPUT_FORMAT_EXTENSIONS[output_format]

        for waveform in waveforms:
            waveform_id = waveform.waveform_id
            try:
                output_file = os.path.extsep.join((waveform.base_filename, extension))
                output_path = os.path.join(base_output_path, output_file)
                # Don't repeat any work that has already been done
                if not os.path.exists(output_path):
                    LOGGER.debug('reading %s', waveform.mseed_path)
                    st = obspy.read(waveform.mseed_path)
                    self.save_waveform(st, output_path, output_format, waveform)
                    yield WaveformResult(waveform_id, True)
                else:
                    yield WaveformResult(waveform_id, False)
            except Exception as e:
                yield WaveformResult(waveform_id, e)