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paramfile.py
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353 lines (294 loc) · 13.8 KB
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from __future__ import print_function
import os
import numpy as np
from srfpython.depthdisp.depthmodels import depthmodel_from_mod96, depthspace
from srfpython.standalone.asciifile import AsciiFile, AsciiFile_fromstring
from srfpython.HerrMet.priorpdf import (
DefaultLogRhoM,
LogRhoM_DVS,
LogRhoM_DVPDVSDRH,
LogRhoM_DVPDVSDRHDPR,
LogRhoM_TIKHONOV,
)
from srfpython.HerrMet.files import HERRMETPARAMFILELOCAL
from srfpython.HerrMet.parameterizers import \
Parameterizer_mZVSVPRH, Parameterizer_mZVSPRRH, Parameterizer_mZVSPRzRHvp, \
Parameterizer_mZVSPRzRHz, Parameterizer_mZVSVPvsRHvp
"""
"""
# TODO : move this into methods of the parameterizers
def write_default_paramfile(nlayer, zbot,
which_parameterizer="mZVSPRRH", basedon=None,
dvp=None, dvs=None, drh=None, dpr=None):
"""create a default parameter file to be customized by user"""
# ------
if np.all([_ is None for _ in (dvs, dvp, drh, dpr)]):
which_prior = DefaultLogRhoM
elif dvs is not None and dvp is None and drh is None and dpr is None:
which_prior = LogRhoM_DVS
elif dvs is not None and dvp is not None and drh is not None and dpr is None:
which_prior = LogRhoM_DVPDVSDRH
elif dvs is not None and dvp is not None and drh is not None and dpr is not None:
which_prior = LogRhoM_DVPDVSDRHDPR
else:
raise NotImplementedError('please specify either dvs alone, or dvp, dvs and drh, or dvp, dvs, drh and dpr')
if which_parameterizer == "mZVSPRRH":
if basedon is None:
ztop = np.linspace(0, zbot, nlayer)
ztopinf = -ztop[1:] # bottom of each layer
ztopsup = -ztop[:-1] / 2. # shallow side
ztopsup[0] = -zbot / 20.
vsinf = np.linspace(0.1, 0.5, nlayer)
vssup = np.linspace(3.0, 4.0, nlayer)
prinf = np.linspace(1.9, 1.7, nlayer)
prsup = np.linspace(2.3, 2.1, nlayer)
rhinf = np.linspace(1.80, 2.00, nlayer)
rhsup = np.linspace(3.00, 3.60, nlayer)
else:
b = depthmodel_from_mod96(basedon)
#ztop = np.linspace(0., b.vp.z.max(), nlayer)
ztop = depthspace(zbot, nlayer)
b = b.interp(ztop, interpmethod="weightedstairs")
ztopinf = -b.vp.z[1:]
ztopsup = -b.vp.z[1:]
vsinf = b.vs.values.copy()
vssup = b.vs.values.copy()
prinf = b.pr().values.copy()
prsup = b.pr().values.copy()
rhinf = b.rh.values.copy()
rhsup = b.rh.values.copy()
keys = ["-Z%d" % i for i in range(1, nlayer)] + \
["VS%d" % i for i in range(nlayer)] + \
["PR%d" % i for i in range(nlayer)] + \
["RH%d" % i for i in range(nlayer)]
vinfs = np.concatenate((ztopinf, vsinf, prinf, rhinf))
vsups = np.concatenate((ztopsup, vssup, prsup, rhsup))
with open(HERRMETPARAMFILELOCAL, 'w') as fid:
fid.write('#met TYPE = "mZVSPRRH"\n')
fid.write('#met NLAYER = %d\n' % nlayer)
fid.write(which_prior.header(dvp=dvp, dvs=dvs, drh=drh, dpr=dpr))
fid.write('#fld KEY VINF VSUP\n')
fid.write('#unt - - -\n')
fid.write('#fmt %5s %16f %16f\n')
for k, vinf, vsup in zip(keys, vinfs, vsups):
fid.write('%s %s %s\n' % (k, vinf, vsup))
A = AsciiFile(HERRMETPARAMFILELOCAL)
A.write() #to screen
A.write(HERRMETPARAMFILELOCAL) #to file
elif which_parameterizer == "mZVSVPRH":
if basedon is None:
ztop = np.linspace(0, zbot, nlayer)
ztopinf = -ztop[1:] # deepest side
ztopsup = -ztop[:-1] # shallow side
ztopsup[0] = -zbot / 20. #0.001
vsinf = 0.1 * np.ones(nlayer)
vssup = 3.5 * np.ones(nlayer)
vpinf = 0.5 * np.ones(nlayer)
vpsup = 6.5 * np.ones(nlayer)
rhinf = 1.8 * np.ones(nlayer)
rhsup = 3.0 * np.ones(nlayer)
else:
b = depthmodel_from_mod96(basedon)
# ztop = np.linspace(0., b.vp.z.max(), nlayer)
ztop = depthspace(zbot, nlayer)
b = b.interp(ztop, interpmethod="weightedstairs")
ztopinf = -b.vp.z[1:]
ztopsup = -b.vp.z[1:]
vsinf = b.vs.values.copy()
vssup = b.vs.values.copy()
vpinf = b.vp.values.copy()
vpsup = b.vp.values.copy()
rhinf = b.rh.values.copy()
rhsup = b.rh.values.copy()
keys = ["-Z%d" % i for i in range(1, nlayer)] + \
["VS%d" % i for i in range(nlayer)] + \
["VP%d" % i for i in range(nlayer)] + \
["RH%d" % i for i in range(nlayer)]
vinfs = np.concatenate((ztopinf, vsinf, vpinf, rhinf))
vsups = np.concatenate((ztopsup, vssup, vpsup, rhsup))
with open(HERRMETPARAMFILELOCAL, 'w') as fid:
fid.write('#met TYPE = "mZVSVPRH"\n')
fid.write('#met NLAYER = %d\n' % nlayer)
fid.write(which_prior.header(dvp=dvp, dvs=dvs, drh=drh, dpr=dpr))
fid.write('#fld KEY VINF VSUP\n')
fid.write('#unt - - -\n')
fid.write('#fmt %5s %16f %16f\n')
for k, vinf, vsup in zip(keys, vinfs, vsups):
fid.write('%s %s %s\n' % (k, vinf, vsup))
A = AsciiFile(HERRMETPARAMFILELOCAL)
A.write() # to screen
A.write(HERRMETPARAMFILELOCAL) # to file
elif which_parameterizer == "mZVSPRzRHvp":
if basedon is None:
ztop = np.linspace(0, zbot, nlayer)
ztopinf = -ztop[1:] # deepest side
ztopsup = -ztop[:-1] # shallow side
ztopsup[0] = -zbot / 20. #0.001
vsinf = 0.1 * np.ones(nlayer)
vssup = 3.5 * np.ones(nlayer)
else:
b = depthmodel_from_mod96(basedon)
# ztop = np.linspace(0., b.vp.z.max(), nlayer)
ztop = depthspace(zbot, nlayer)
b = b.interp(ztop, interpmethod="weightedstairs")
ztopinf = -b.vp.z[1:]
ztopsup = -b.vp.z[1:]
vsinf = b.vs.values.copy()
vssup = b.vs.values.copy()
keys = ["-Z%d" % i for i in range(1, nlayer)] + \
["VS%d" % i for i in range(nlayer)]
vinfs = np.concatenate((ztopinf, vsinf))
vsups = np.concatenate((ztopsup, vssup))
with open(HERRMETPARAMFILELOCAL, 'w') as fid:
fid.write('#met TYPE = "mZVSPRzRHvp"\n')
fid.write('#met NLAYER = %d\n' % nlayer)
# fid.write('#met PRz = "def PRz(Z): return 1.0335 * np.exp(-Z / 0.5408) + 1.7310"\n')
# fid.write('#met RHvp = "def RHvp(VP): return 1.74 * VP ** 0.25"\n')
fid.write('#met PRz = "lambda Z: 1.0335 * np.exp(-Z / 0.5408) + 1.7310"\n')
fid.write('#met RHvp = "lambda VP: 1.74 * VP ** 0.25"\n')
fid.write(which_prior.header(dvp=dvp, dvs=dvs, drh=drh, dpr=dpr))
fid.write('#fld KEY VINF VSUP\n')
fid.write('#unt - - -\n')
fid.write('#fmt %5s %16f %16f\n')
for k, vinf, vsup in zip(keys, vinfs, vsups):
fid.write('%s %s %s\n' % (k, vinf, vsup))
A = AsciiFile(HERRMETPARAMFILELOCAL)
A.write() #to screen
A.write(HERRMETPARAMFILELOCAL) #to file
elif which_parameterizer == "mZVSPRzRHz":
if basedon is None:
ztop = np.linspace(0, zbot, nlayer)
ztopinf = -ztop[1:] # deepest side
ztopsup = -ztop[:-1] # shallow side
ztopsup[0] =-zbot / 20 # -= 0.001
vsinf = 0.1 * np.ones(nlayer)
vssup = 3.5 * np.ones(nlayer)
else:
b = depthmodel_from_mod96(basedon)
#ztop = np.linspace(0., b.vp.z.max(), nlayer)
ztop = depthspace(zbot, nlayer)
b = b.interp(ztop, interpmethod="weightedstairs")
ztopinf = -b.vp.z[1:]
ztopsup = -b.vp.z[1:]
vsinf = b.vs.values.copy()
vssup = b.vs.values.copy()
keys = ["-Z%d" % i for i in range(1, nlayer)] + \
["VS%d" % i for i in range(nlayer)]
vinfs = np.concatenate((ztopinf, vsinf))
vsups = np.concatenate((ztopsup, vssup))
with open(HERRMETPARAMFILELOCAL, 'w') as fid:
fid.write('#met TYPE = "mZVSPRzRHvp"\n')
fid.write('#met NLAYER = %d\n' % nlayer)
# fid.write('#met PRz = "def PRz(Z): return 1.0335 * np.exp(-Z / 0.5408) + 1.7310"\n')
# fid.write('#met RHz = "def RHz(Z): return Z * 0. + 2.67"\n')
fid.write('#met PRz = "lambda Z: 1.0335 * np.exp(-Z / 0.5408) + 1.7310"\n')
fid.write('#met RHz = "lambda Z: Z * 0. + 2.67"\n')
fid.write(which_prior.header(dvp=dvp, dvs=dvs, drh=drh, dpr=dpr))
fid.write('#fld KEY VINF VSUP\n')
fid.write('#unt - - -\n')
fid.write('#fmt %5s %16f %16f\n')
for k, vinf, vsup in zip(keys, vinfs, vsups):
fid.write('%s %s %s\n' % (k, vinf, vsup))
A = AsciiFile(HERRMETPARAMFILELOCAL)
A.write() #to screen
A.write(HERRMETPARAMFILELOCAL) #to file
elif which_parameterizer == "mZVSVPvsRHvp":
if basedon is None:
ztop = np.linspace(0, zbot, nlayer)
ztopinf = -ztop[1:] # deepest side
ztopsup = -ztop[:-1] # shallow side
ztopsup[0] = -zbot / 20. # -= 0.001
vsinf = 0.1 * np.ones(nlayer)
vssup = 3.5 * np.ones(nlayer)
else:
raise NotImplementedError('option -basedon not implemented for mZVSVPvsRHvp')
keys = ["-Z%d" % i for i in range(1, nlayer)] + \
["VS%d" % i for i in range(nlayer)]
vinfs = np.concatenate((ztopinf, vsinf))
vsups = np.concatenate((ztopsup, vssup))
with open(HERRMETPARAMFILELOCAL, 'w') as fid:
fid.write('#met TYPE = "mZVSVPvsRHvp"\n')
fid.write('#met NLAYER = %d\n' % nlayer)
fid.write('# BROCHER2005\n')
fid.write(
'#met VPvs = "lambda VS: '
'0.9409 + 2.0947 * VS - 0.8206 * VS ** 2.0 + 0.2683 * VS ** 3.0 '
'- 0.0251 * VS ** 4.0"\n')
fid.write(
'#met RHvp = "lambda VP: '
'1.6612 * VP - 0.4721 * VP ** 2.0 + 0.0671 * VP ** 3.0 '
'- 0.0043 * VP ** 4.0 + 0.000106 * VP ** 5.0"\n')
fid.write(which_prior.header(dvp=dvp, dvs=dvs, drh=drh, dpr=dpr))
fid.write('#fld KEY VINF VSUP\n')
fid.write('#unt - - -\n')
fid.write('#fmt %5s %16f %16f\n')
for k, vinf, vsup in zip(keys, vinfs, vsups):
fid.write('%s %s %s\n' % (k, vinf, vsup))
A = AsciiFile(HERRMETPARAMFILELOCAL)
A.write() # to screen
A.write(HERRMETPARAMFILELOCAL) # to file
else:
raise NotImplementedError('no such parameter file type implemented %s' % which_parameterizer)
def load_paramfile(paramfile, verbose=True):
"""initiate one of the parameterizer and prior pdf according to the param file"""
if os.path.isfile(paramfile):
A = AsciiFile(paramfile)
elif "#fld" in paramfile:
A = AsciiFile_fromstring(paramfile)
else:
raise ValueError('paramfile must be either a file name or a string with the file content')
# ==========================
if A.metadata['TYPE'] == "mZVSVPRH":
parameterizer = Parameterizer_mZVSVPRH(A)
elif A.metadata['TYPE'] == "mZVSPRRH":
parameterizer = Parameterizer_mZVSPRRH(A)
elif A.metadata['TYPE'] == "mZVSPRzRHvp":
parameterizer = Parameterizer_mZVSPRzRHvp(A)
elif A.metadata['TYPE'] == "mZVSPRzRHz":
parameterizer = Parameterizer_mZVSPRzRHz(A)
elif A.metadata['TYPE'] == "mZVSVPvsRHvp":
parameterizer = Parameterizer_mZVSVPvsRHvp(A)
else:
raise Exception('could not load %s (TYPE not recognized)' % paramfile)
# ==========================
if not "PRIORTYPE" in A.metadata.keys():
logRHOM = DefaultLogRhoM(parameterizer)
elif A.metadata['PRIORTYPE'] == "DVS":
logRHOM = LogRhoM_DVS(parameterizer,
dvsmin=A.metadata['DVSMIN'],
dvsmax=A.metadata['DVSMAX'])
elif A.metadata['PRIORTYPE'] == "DVPDVSDRH":
logRHOM = LogRhoM_DVPDVSDRH(parameterizer,
dvpmin=A.metadata['DVPMIN'],
dvpmax=A.metadata['DVPMAX'],
dvsmin=A.metadata['DVSMIN'],
dvsmax=A.metadata['DVSMAX'],
drhmin=A.metadata['DRHMIN'],
drhmax=A.metadata['DRHMAX'])
elif A.metadata['PRIORTYPE'] == "DVPDVSDRHDPR":
logRHOM = LogRhoM_DVPDVSDRHDPR(parameterizer,
dvpmin=A.metadata['DVPMIN'],
dvpmax=A.metadata['DVPMAX'],
dvsmin=A.metadata['DVSMIN'],
dvsmax=A.metadata['DVSMAX'],
drhmin=A.metadata['DRHMIN'],
drhmax=A.metadata['DRHMAX'],
dprmin=A.metadata['DPRMIN'],
dprmax=A.metadata['DPRMAX'])
elif A.metadata['PRIORTYPE'] == "TIKHONOV":
logRHOM = LogRhoM_TIKHONOV(
parameterizer,
alpha_tikhonov=A.metadata['ALPHATIKHONOV'],
)
else:
raise Exception('could not load %s (PRIORTYPE not recognized)' % paramfile)
if verbose:
print("parameter type : ", parameterizer.__class__.__name__)
print("prior type : ", logRHOM.__class__.__name__)
return parameterizer, logRHOM
if __name__ == "__main__":
write_default_paramfile(nlayer=7, zbot=3,
which_parameterizer="mZVSPRRH", basedon=None,
dvp=None, dvs=None, drh=None, dpr=None)
A = load_paramfile(HERRMETPARAMFILELOCAL)
print (A)