[change] improved verbosity and plotting control for Magnitude objects
This commit is contained in:
parent
72d15e1fc5
commit
c1bddd5c0b
@ -31,9 +31,9 @@ class Magnitude(object):
|
||||
Base class object for Magnitude calculation within PyLoT.
|
||||
"""
|
||||
|
||||
def __init__(self, stream, event, verbosity=False):
|
||||
def __init__(self, stream, event, verbosity=False, iplot=0):
|
||||
self._type = "M"
|
||||
self._plot_flag = False
|
||||
self._plot_flag = iplot
|
||||
self._verbosity = verbosity
|
||||
self._event = event
|
||||
self._stream = stream
|
||||
@ -59,6 +59,17 @@ class Magnitude(object):
|
||||
def plot_flag(self, value):
|
||||
self._plot_flag = value
|
||||
|
||||
@property
|
||||
def verbose(self):
|
||||
return self._verbosity
|
||||
|
||||
@verbose.setter
|
||||
def verbose(self, value):
|
||||
if not isinstance(value, bool):
|
||||
print('WARNING: only boolean values accepted...\n')
|
||||
value = bool(value)
|
||||
self._verbosity = value
|
||||
|
||||
@property
|
||||
def stream(self):
|
||||
return self._stream
|
||||
@ -115,8 +126,8 @@ class RichterMagnitude(Magnitude):
|
||||
'sensitivity': 1
|
||||
}
|
||||
|
||||
def __init__(self, stream, event, calc_win, verbosity=False):
|
||||
super(RichterMagnitude, self).__init__(stream, event, verbosity)
|
||||
def __init__(self, stream, event, calc_win, verbosity=False, iplot=0):
|
||||
super(RichterMagnitude, self).__init__(stream, event, verbosity, iplot)
|
||||
|
||||
self._calc_win = calc_win
|
||||
self._type = 'ML'
|
||||
@ -156,7 +167,7 @@ class RichterMagnitude(Magnitude):
|
||||
# get maximum peak within pick window
|
||||
iwin = getsignalwin(th, t0 - stime, self.calc_win)
|
||||
wapp = np.max(sqH[iwin])
|
||||
if self._verbosity:
|
||||
if self.verbose:
|
||||
print("Determined Wood-Anderson peak-to-peak amplitude: {0} "
|
||||
"mm".format(wapp))
|
||||
|
||||
@ -186,8 +197,9 @@ class RichterMagnitude(Magnitude):
|
||||
wf = select_for_phase(self.stream.select(
|
||||
station=station), a.phase)
|
||||
if not wf:
|
||||
print('WARNING: no waveform data found for station {0}'.format(
|
||||
station))
|
||||
if self.verbose:
|
||||
print('WARNING: no waveform data found for station {0}'.format(
|
||||
station))
|
||||
continue
|
||||
delta = degrees2kilometers(a.distance)
|
||||
onset = pick.time
|
||||
@ -209,8 +221,8 @@ class MomentMagnitude(Magnitude):
|
||||
corresponding moment magntiude Mw.
|
||||
'''
|
||||
|
||||
def __init__(self, stream, event, vp, Qp, density, verbosity=False):
|
||||
super(MomentMagnitude, self).__init__(stream, event)
|
||||
def __init__(self, stream, event, vp, Qp, density, verbosity=False, iplot=False):
|
||||
super(MomentMagnitude, self).__init__(stream, event, verbosity, iplot)
|
||||
|
||||
self._vp = vp
|
||||
self._Qp = Qp
|
||||
@ -245,17 +257,18 @@ class MomentMagnitude(Magnitude):
|
||||
azimuth = a.azimuth
|
||||
incidence = a.takeoff_angle
|
||||
w0, fc = calcsourcespec(wf, onset, self.p_velocity, distance, azimuth,
|
||||
incidence, self.p_attenuation)
|
||||
incidence, self.p_attenuation, self.plot_flag, self.verbose)
|
||||
if w0 is None or fc is None:
|
||||
print("WARNING: insufficient frequency information")
|
||||
if self.verbose:
|
||||
print("WARNING: insufficient frequency information")
|
||||
continue
|
||||
wf = select_for_phase(wf, "P")
|
||||
M0, Mw = calcMoMw(wf, w0, self.rock_density, self.p_velocity, distance)
|
||||
M0, Mw = calcMoMw(wf, w0, self.rock_density, self.p_velocity, distance, self.verbose)
|
||||
mag = dict(w0=w0, fc=fc, M0=M0, mag=Mw)
|
||||
self.magnitudes = (station, mag)
|
||||
|
||||
|
||||
def calcMoMw(wfstream, w0, rho, vp, delta):
|
||||
def calcMoMw(wfstream, w0, rho, vp, delta, verbosity=False):
|
||||
'''
|
||||
Subfunction of run_calcMoMw to calculate individual
|
||||
seismic moments and corresponding moment magnitudes.
|
||||
@ -279,8 +292,8 @@ def calcMoMw(wfstream, w0, rho, vp, delta):
|
||||
tr = wfstream[0]
|
||||
delta = delta * 1000 # hypocentral distance in [m]
|
||||
|
||||
print("calcMoMw: Calculating seismic moment Mo and moment magnitude Mw for station %s ..." \
|
||||
% tr.stats.station)
|
||||
if verbosity:
|
||||
print("calcMoMw: Calculating seismic moment Mo and moment magnitude Mw for station {0} ...".format(tr.stats.station))
|
||||
|
||||
# additional common parameters for calculating Mo
|
||||
rP = 2 / np.sqrt(15) # average radiation pattern of P waves (Aki & Richards, 1980)
|
||||
@ -291,13 +304,14 @@ def calcMoMw(wfstream, w0, rho, vp, delta):
|
||||
# Mw = np.log10(Mo * 1e07) * 2 / 3 - 10.7 # after Hanks & Kanamori (1979), defined for [dyn*cm]!
|
||||
Mw = np.log10(Mo) * 2 / 3 - 6.7 # for metric units
|
||||
|
||||
print("calcMoMw: Calculated seismic moment Mo = %e Nm => Mw = %3.1f " % (Mo, Mw))
|
||||
if verbosity:
|
||||
print("calcMoMw: Calculated seismic moment Mo = {0} Nm => Mw = {1:3.1f} ".format(Mo, Mw))
|
||||
|
||||
return Mo, Mw
|
||||
|
||||
|
||||
def calcsourcespec(wfstream, onset, vp, delta, azimuth, incidence,
|
||||
qp, iplot=0):
|
||||
qp, iplot=0, verbosity=False):
|
||||
'''
|
||||
Subfunction to calculate the source spectrum and to derive from that the plateau
|
||||
(usually called omega0) and the corner frequency assuming Aki's omega-square
|
||||
@ -329,7 +343,8 @@ def calcsourcespec(wfstream, onset, vp, delta, azimuth, incidence,
|
||||
:param: iplot, show results (iplot>1) or not (iplot(<2)
|
||||
:type: integer
|
||||
'''
|
||||
print ("Calculating source spectrum ....")
|
||||
if verbosity:
|
||||
print ("Calculating source spectrum ....")
|
||||
|
||||
# get Q value
|
||||
Q, A = qp
|
||||
@ -359,8 +374,9 @@ def calcsourcespec(wfstream, onset, vp, delta, azimuth, incidence,
|
||||
# if horizontal channels are 2 and 3
|
||||
# no azimuth information is available and thus no
|
||||
# rotation is possible!
|
||||
print("calcsourcespec: Azimuth information is missing, "
|
||||
"no rotation of components possible!")
|
||||
if verbosity:
|
||||
print("calcsourcespec: Azimuth information is missing, "
|
||||
"no rotation of components possible!")
|
||||
ldat = LQT.select(component="Z")
|
||||
|
||||
# integrate to displacement
|
||||
@ -381,9 +397,10 @@ def calcsourcespec(wfstream, onset, vp, delta, azimuth, incidence,
|
||||
# waveform after P onset!
|
||||
zc = crossings_nonzero_all(wfzc)
|
||||
if np.size(zc) == 0 or len(zc) <= 3:
|
||||
print ("calcsourcespec: Something is wrong with the waveform, "
|
||||
"no zero crossings derived!")
|
||||
print ("No calculation of source spectrum possible!")
|
||||
if verbosity:
|
||||
print ("calcsourcespec: Something is wrong with the waveform, "
|
||||
"no zero crossings derived!\n")
|
||||
print ("No calculation of source spectrum possible!")
|
||||
plotflag = 0
|
||||
else:
|
||||
plotflag = 1
|
||||
@ -430,17 +447,19 @@ def calcsourcespec(wfstream, onset, vp, delta, azimuth, incidence,
|
||||
[optspecfit, _] = curve_fit(synthsourcespec, F, YYcor, [w0in, Fcin])
|
||||
w01 = optspecfit[0]
|
||||
fc1 = optspecfit[1]
|
||||
print ("calcsourcespec: Determined w0-value: %e m/Hz, \n"
|
||||
"Determined corner frequency: %f Hz" % (w01, fc1))
|
||||
if verbosity:
|
||||
print ("calcsourcespec: Determined w0-value: %e m/Hz, \n"
|
||||
"Determined corner frequency: %f Hz" % (w01, fc1))
|
||||
|
||||
# use of conventional fitting
|
||||
[w02, fc2] = fitSourceModel(F, YYcor, Fcin, iplot)
|
||||
[w02, fc2] = fitSourceModel(F, YYcor, Fcin, iplot, verbosity)
|
||||
|
||||
# get w0 and fc as median of both
|
||||
# source spectrum fits
|
||||
w0 = np.median([w01, w02])
|
||||
fc = np.median([fc1, fc2])
|
||||
print("calcsourcespec: Using w0-value = %e m/Hz and fc = %f Hz" % (w0, fc))
|
||||
if verbosity:
|
||||
print("calcsourcespec: Using w0-value = %e m/Hz and fc = %f Hz" % (w0, fc))
|
||||
|
||||
if iplot > 1:
|
||||
f1 = plt.figure()
|
||||
@ -504,7 +523,7 @@ def synthsourcespec(f, omega0, fcorner):
|
||||
return ssp
|
||||
|
||||
|
||||
def fitSourceModel(f, S, fc0, iplot):
|
||||
def fitSourceModel(f, S, fc0, iplot, verbosity=False):
|
||||
'''
|
||||
Calculates synthetic source spectrum by varying corner frequency fc.
|
||||
Returns best approximated plateau omega0 and corner frequency, i.e. with least
|
||||
@ -558,9 +577,8 @@ def fitSourceModel(f, S, fc0, iplot):
|
||||
elif len(STD) == 0:
|
||||
fc = fc0
|
||||
w0 = max(S)
|
||||
|
||||
print("fitSourceModel: best fc: %fHz, best w0: %e m/Hz" \
|
||||
% (fc, w0))
|
||||
if verbosity:
|
||||
print("fitSourceModel: best fc: {0} Hz, best w0: {1} m/Hz".format(fc, w0))
|
||||
|
||||
if iplot > 1:
|
||||
plt.figure(iplot)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user