[move] moving functions for Richter and moment magnitude calculation to magnitude module for re-use in autoPyLoT
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04ec43c699
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QtPyLoT.py
84
QtPyLoT.py
@ -23,10 +23,11 @@ https://www.iconfinder.com/iconsets/flavour
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(http://www.gnu.org/copyleft/lesser.html)
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"""
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import matplotlib
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import os
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import sys
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import matplotlib
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matplotlib.use('Qt4Agg')
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matplotlib.rcParams['backend.qt4'] = 'PySide'
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@ -37,18 +38,14 @@ from PySide.QtGui import QMainWindow, QInputDialog, QIcon, QFileDialog, \
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QDialog, QErrorMessage, QApplication, QPixmap, QMessageBox, QSplashScreen, \
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QActionGroup, QListWidget, QDockWidget, QLineEdit
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import numpy as np
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import subprocess
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from obspy import UTCDateTime
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from obspy.geodetics import degrees2kilometers
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from obspy.core.event import Magnitude
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from pylot.core.analysis.magnitude import calcsourcespec, calcMoMw, \
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calc_woodanderson_pp, gutenberg_richter_relation
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from pylot.core.analysis.magnitude import calc_richter_magnitude, calc_moment_magnitude
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from pylot.core.io.data import Data
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from pylot.core.io.inputs import FilterOptions, AutoPickParameter
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from pylot.core.pick.autopick import autopickevent
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from pylot.core.pick.compare import Comparison
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from pylot.core.pick.utils import symmetrize_error, select_for_phase
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from pylot.core.pick.utils import symmetrize_error
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from pylot.core.io.phases import picksdict_from_picks
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import pylot.core.loc.nll as nll
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from pylot.core.util.defaults import FILTERDEFAULTS, COMPNAME_MAP, \
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@ -66,7 +63,6 @@ from pylot.core.util.widgets import FilterOptionsDialog, NewEventDlg, \
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from pylot.core.util.structure import DATASTRUCTURE
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from pylot.core.util.thread import AutoPickThread
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from pylot.core.util.version import get_git_version as _getVersionString
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import icons_rc
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locateTool = dict(nll=nll)
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@ -991,50 +987,7 @@ class MainWindow(QMainWindow):
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def calc_magnitude(self, type='ML'):
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if type == 'ML':
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return self.calc_richter_magnitude()
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elif type == 'Mw':
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return self.calc_moment_magnitude()
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else:
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return None
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def calc_richter_magnitude(self):
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e = self.get_data().get_evt_data()
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if e.origins:
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o = e.origins[0]
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mags = dict()
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for a in o.arrivals:
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if a.phase not in 'sS':
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continue
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pick = a.pick_id.get_referred_object()
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station = pick.waveform_id.station_code
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wf = select_for_phase(self.get_data().getWFData().select(
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station=station), a.phase)
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delta = degrees2kilometers(a.distance)
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wapp = calc_woodanderson_pp(wf, self.metadata, pick.time,
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self.inputs.get('sstop'))
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# using standard Gutenberg-Richter relation
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# TODO make the ML calculation more flexible by allowing
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# use of custom relation functions
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mag = np.log10(wapp) + gutenberg_richter_relation(delta)
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mags[station] = mag
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mag = np.median([M for M in mags.values()])
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# give some information on the processing
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print('number of stations used: {0}\n'.format(len(mags.values())))
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print('stations used:\n')
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for s in mags.keys(): print('\t{0}'.format(s))
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return Magnitude(mag=mag, magnitude_type='ML')
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else:
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return None
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def calc_moment_magnitude(self):
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e = self.get_data().get_evt_data()
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settings = QSettings()
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if e.origins:
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o = e.origins[0]
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mags = dict()
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fninv = settings.value("inventoryFile", None)
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if fninv is None and not self.metadata:
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fninv, _ = QFileDialog.getOpenFileName(self, self.tr(
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@ -1049,31 +1002,10 @@ class MainWindow(QMainWindow):
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settings.setValue("inventoryFile", fninv)
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settings.sync()
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self.metadata = read_metadata(fninv)
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for a in o.arrivals:
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if a.phase in 'sS':
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continue
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pick = a.pick_id.get_referred_object()
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station = pick.waveform_id.station_code
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wf = self.get_data().getWFData().select(station=station)
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if not wf:
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continue
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onset = pick.time
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dist = degrees2kilometers(a.distance)
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w0, fc = calcsourcespec(wf, onset, metadata, self.inputs.get('vp'), dist,
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a.azimuth, a.takeoff_angle,
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self.inputs.get('Qp'), 0)
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if w0 is None or fc is None:
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continue
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station_mag = calcMoMw(wf, w0, self.inputs.get('rho'),
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self.inputs.get('vp'), dist)
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mags[station] = station_mag
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mag = np.median([M[1] for M in mags.values()])
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# give some information on the processing
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print('number of stations used: {0}\n'.format(len(mags.values())))
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print('stations used:\n')
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for s in mags.keys(): print('\t{0}'.format(s))
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return Magnitude(mag=mag, magnitude_type='Mw')
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if type == 'ML':
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return calc_richter_magnitude(self.get_data().get_evt_data(), self.get_data().getWFData(), self.metadata, self.inputs.get('sstop'))
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elif type == 'Mw':
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return calc_moment_magnitude(self.get_data().get_evt_data(), self.get_data().getWFData(), self.metadata, self.inputs.get('vp'), self.inputs.get('Qp'), self.inputs.get('rho'))
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else:
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return None
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@ -9,11 +9,13 @@ import os
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import matplotlib.pyplot as plt
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import numpy as np
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from obspy.core import Stream, UTCDateTime
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from pylot.core.pick.utils import getsignalwin, crossings_nonzero_all
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from obspy.core.event import Magnitude
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from obspy.geodetics import degrees2kilometers
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from pylot.core.pick.utils import getsignalwin, crossings_nonzero_all, select_for_phase
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from pylot.core.util.utils import getPatternLine
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from scipy.optimize import curve_fit
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from scipy import integrate, signal
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from pylot.core.io.data import Data
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from pylot.core.util.dataprocessing import restitute_data, read_metadata
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from pylot.core.util.utils import common_range, fit_curve
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@ -667,3 +669,62 @@ def fitSourceModel(f, S, fc0, iplot):
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plt.close()
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return w0, fc
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def calc_richter_magnitude(e, wf, metadata, amp_win):
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if e.origins:
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o = e.origins[0]
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mags = dict()
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for a in o.arrivals:
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if a.phase not in 'sS':
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continue
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pick = a.pick_id.get_referred_object()
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station = pick.waveform_id.station_code
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wf = select_for_phase(wf.select(
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station=station), a.phase)
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delta = degrees2kilometers(a.distance)
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wapp = calc_woodanderson_pp(wf, metadata, pick.time,
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amp_win)
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# using standard Gutenberg-Richter relation
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# TODO make the ML calculation more flexible by allowing
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# use of custom relation functions
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mag = np.log10(wapp) + gutenberg_richter_relation(delta)
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mags[station] = mag
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mag = np.median([M for M in mags.values()])
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# give some information on the processing
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print('number of stations used: {0}\n'.format(len(mags.values())))
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print('stations used:\n')
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for s in mags.keys(): print('\t{0}'.format(s))
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return Magnitude(mag=mag, magnitude_type='ML')
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else:
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return None
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def calc_moment_magnitude(e, wf, metadata, vp, Qp, rho):
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if e.origins:
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o = e.origins[0]
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mags = dict()
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for a in o.arrivals:
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if a.phase in 'sS':
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continue
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pick = a.pick_id.get_referred_object()
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station = pick.waveform_id.station_code
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wf = wf.select(station=station)
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if not wf:
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continue
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onset = pick.time
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dist = degrees2kilometers(a.distance)
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w0, fc = calcsourcespec(wf, onset, metadata, vp, dist, a.azimuth, a.takeoff_angle, Qp, 0)
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if w0 is None or fc is None:
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continue
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station_mag = calcMoMw(wf, w0, rho, vp, dist)
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mags[station] = station_mag
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mag = np.median([M[1] for M in mags.values()])
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# give some information on the processing
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print('number of stations used: {0}\n'.format(len(mags.values())))
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print('stations used:\n')
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for s in mags.keys(): print('\t{0}'.format(s))
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return Magnitude(mag=mag, magnitude_type='Mw')
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else:
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return None
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