def ewavelet(wavelet,custom,par):
for i in range(2):
Plot(wavelet+str(i+1),wavelet,
'window n2=1 f2=%d | transp | window |'%i +
fdmod.waveplot('%d'%i,par))
Result(wavelet,[wavelet+'1',wavelet+'2'],'Movie')
def waveplot(self,custom,scalar=None,horizontal=True):
'''
This is equivalent to fdmod.cgrey('',par)
scalar: horizontal scalar for the figure space
'''
self._scale(scalar,horizontal)
toplot = ' plotfat=1 screenratio=%(ratio)g screenht=%(height)g '%self.par +custom
return fdmod.waveplot(toplot,self.par)
def pmodel(dat,wfl,wav,vel,den,sou,rec,ico,par):
if(not par.has_key('mintplot')): par['mintplot']=0
Result(wav,'window n1=1 n2=400 |' + fdmod.waveplot('',par))
Result('p'+vel,[vel,ico,rec,sou],'Overlay')
fdmod.awefd(dat,wfl,
wav,vel,den,sou,rec,'',par)
# Result(dat, 'window j2=5 | transp |' +
# fdmod.dgrey('pclip=99.9 min1=%(mintplot)g labelsz=4'%par, par))
Result(dat, 'window j2=5 | transp |' +
fdmod.dgrey('pclip=99.5 screenratio=1.5 min1=%(mintplot)g labelsz=3 labelfat=3 '%par, par))
def pmodel(dat, wfl, wav, vel, den, sou, rec, ico, par):
if (not par.has_key('mintplot')): par['mintplot'] = 0
Result(wav, 'window n1=1 n2=400 |' + fdmod.waveplot('', par))
Result('p' + vel, [vel, ico, rec, sou], 'Overlay')
fdmod.awefd(dat, wfl, wav, vel, den, sou, rec, '', par)
# Result(dat, 'window j2=5 | transp |' +
# fdmod.dgrey('pclip=99.9 min1=%(mintplot)g labelsz=4'%par, par))
Result(
dat, 'window j2=5 | transp |' + fdmod.dgrey(
'pclip=99.5 screenratio=1.5 min1=%(mintplot)g labelsz=3 labelfat=3 '
% par, par))
def amodel(dat,wfl,wav,vel,den,ref,sou,rec,ico,par):
if(not par.has_key('wscale')): par['wscale']=5
if(not par.has_key('vbias')): par['vbias']=1500
Result(wav,'window n1=1 n2=400 |' + fdmod.waveplot('format1=%3.2f',par))
Result('a'+vel,[vel,ico,rec,sou],'Overlay')
fdmod.lwefd1(dat+'o',wfl+'o',
dat+'x',wfl+'x',
wav,vel,den,ref,sou,rec,'',par)
Flow(dat,[dat+'o',dat+'x'],'add ${SOURCES[1]} scale=1,%(wscale)g' % par)
Flow(wfl,[wfl+'o',wfl+'x'],'add ${SOURCES[1]} scale=1,%(wscale)g' % par)
Result(dat, 'window j2=5 | transp |' +
fdmod.dgrey('pclip=99.5 screenratio=1.5 min1=%(mintplot)g labelsz=3 labelfat=3 '%par, par))
def common(wav, vel, den, ss, rr, qq, par):
# ------------------------------------------------------------
# wavelet
Result('wav', 'window n2=1000 | transp |' + fdmod.waveplot('', par))
# ------------------------------------------------------------
# plot model geometry
geometry(ss, rr, qq, par)
# ------------------------------------------------------------
# velocity and density
safodmodel(vel, den, par)
Plot(vel, fdmod.cgrey('bias=1.9 allpos=y ', par))
Plot(den, fdmod.cgrey('bias=1.72', par))
Result(vel, [vel, ss, rr, qq], 'Overlay')
def common(wav,vel,den,ss,rr,qq,par):
# ------------------------------------------------------------
# wavelet
Result( 'wav','window n2=1000 | transp |' + fdmod.waveplot('',par))
# ------------------------------------------------------------
# plot model geometry
geometry(ss,rr,qq,par)
# ------------------------------------------------------------
# velocity and density
safodmodel(vel,den,par)
Plot(vel,fdmod.cgrey('bias=1.9 allpos=y ',par))
Plot(den,fdmod.cgrey('bias=1.72',par))
Result(vel,[vel,ss,rr,qq],'Overlay')
def originaldata(sdat,rdat,sd,par):
Flow( 'wav',None,'spike nsp=1 mag=1 k1=1 n1=%(nt)d d1=%(dt)g o1=%(ot)g' % par)
Result('wav','window n1=500 |' + fdmod.waveplot('',par))
sigsbee.getdata('data',par)
sigsbee.makeshots('sall','data',par)
Flow('swin',
'sall',
'''
window n3=%(ns)d f3=%(fs)d j3=%(js)d |
bandpass flo=2 fhi=10
''' % par)
for file in (['swin','sall']):
for iexp in range(par['ns']):
etag = "-e%03d" % iexp
Plot(file+etag,file,
'window n3=1 f3=%d | put o2=%g |' % (iexp,par['jos']+iexp*par['jds'])
+ fdmod.dgrey('pclip=99',par))
Result(file,map(lambda x: file+'-e%03d' % x,range(par['ns'])),'Movie')
encode.shot2grid('sdata-t','rdata-t','wav','swin',par)
Flow('S-sou-t','sdata-t','window | transp' %par)
Flow('S-rec-t','rdata-t','window | transp' %par)
encode.time2freq('S-sou-t','S-sou-w',par)
encode.time2freq('S-rec-t','S-rec-w',par)
# datum through water
spmig.datum3('S-dfs',
'S-dfr',
sd,
'S-sou-w',
'S-rec-w',par)
# window datumed data (all shots)
Flow(sdat,'S-dfs','window squeeze=n min1=%(oximg)g n1=%(nximg)g' % par)
Flow(rdat,'S-dfr','window squeeze=n min1=%(oximg)g n1=%(nximg)g' % par)
Result(sdat,fdmod.fgrey('pclip=99',par))
Result(rdat,fdmod.fgrey('pclip=99',par))
def amodel(dat, wfl, wav, vel, den, ref, sou, rec, ico, par):
if (not par.has_key('wscale')): par['wscale'] = 5
if (not par.has_key('vbias')): par['vbias'] = 1500
Result(wav, 'window n1=1 n2=400 |' + fdmod.waveplot('format1=%3.2f', par))
Result('a' + vel, [vel, ico, rec, sou], 'Overlay')
fdmod.lwefd1(dat + 'o', wfl + 'o', dat + 'x', wfl + 'x', wav, vel, den,
ref, sou, rec, '', par)
Flow(dat, [dat + 'o', dat + 'x'],
'add ${SOURCES[1]} scale=1,%(wscale)g' % par)
Flow(wfl, [wfl + 'o', wfl + 'x'],
'add ${SOURCES[1]} scale=1,%(wscale)g' % par)
Result(
dat, 'window j2=5 | transp |' + fdmod.dgrey(
'pclip=99.5 screenratio=1.5 min1=%(mintplot)g labelsz=3 labelfat=3 '
% par, par))
def originaldata(sdat, rdat, sd, par):
Flow('wav', None,
'spike nsp=1 mag=1 k1=1 n1=%(nt)d d1=%(dt)g o1=%(ot)g' % par)
Result('wav', 'window n1=500 |' + fdmod.waveplot('', par))
sigsbee.getdata('data', par)
sigsbee.makeshots('sall', 'data', par)
Flow(
'swin', 'sall', '''
window n3=%(ns)d f3=%(fs)d j3=%(js)d |
bandpass flo=2 fhi=10
''' % par)
for file in (['swin', 'sall']):
for iexp in range(par['ns']):
etag = "-e%03d" % iexp
Plot(
file + etag, file, 'window n3=1 f3=%d | put o2=%g |' %
(iexp, par['jos'] + iexp * par['jds']) +
fdmod.dgrey('pclip=99', par))
Result(file, map(lambda x: file + '-e%03d' % x, range(par['ns'])),
'Movie')
encode.shot2grid('sdata-t', 'rdata-t', 'wav', 'swin', par)
Flow('S-sou-t', 'sdata-t', 'window | transp' % par)
Flow('S-rec-t', 'rdata-t', 'window | transp' % par)
encode.time2freq('S-sou-t', 'S-sou-w', par)
encode.time2freq('S-rec-t', 'S-rec-w', par)
# datum through water
spmig.datum3('S-dfs', 'S-dfr', sd, 'S-sou-w', 'S-rec-w', par)
# window datumed data (all shots)
Flow(sdat, 'S-dfs', 'window squeeze=n min1=%(oximg)g n1=%(nximg)g' % par)
Flow(rdat, 'S-dfr', 'window squeeze=n min1=%(oximg)g n1=%(nximg)g' % par)
Result(sdat, fdmod.fgrey('pclip=99', par))
Result(rdat, fdmod.fgrey('pclip=99', par))
def makemicroseisms(ns,wav,sou,par):
sources = []
wavelets = []
r = random.Random()
r.seed(1234)
locations = []
for i in range(ns):
tag = '-%03d' % i
xi = r.randrange(100,150)
zi = r.randrange(50,60)
ti = r.randrange(par['nt']/4,3*par['nt']/4)
print 'Microseism %d %d %d %d' % (i,xi,zi,ti)
locations.append((xi,zi,ti))
xsou = par['ox']+par['dx']*xi
zsou = par['oz']+par['dz']*zi
fdmod.point(sou+tag,xsou,zsou,par)
wavelet(wav+tag,par['frq'],ti,par)
sources.append(sou+tag)
wavelets.append(wav+tag)
Flow(wav+'_',wavelets,'cat axis=2 ${SOURCES[1:%d]}' % ns)
Flow(sou,sources,'cat axis=2 ${SOURCES[1:%d]}' % ns)
Plot('ss-2d',fdmod.ssplot('symbol=+ symbolsz=7 plotfat=5',par))
Plot('ss-2d-box','ss-2d',
fdmod.ssplot('min1=0.4 max1=0.9 min2=0.2 max2=0.4 plotfat=5 symbol=+ symbolsz=9',par))
Flow( 'wava','wav_','add scale=10000000 | transp')
Result('wava','transp |' + fdmod.waveplot('',par))
# These are bad locations, no microseisms here.
locations.append((50,25,100))
locations.append((75,80,100))
return locations
def test(vp,vs,ro,epsilon,delta,ss,rr,par):
# ------------------------------------------------------------
# source/receiver coordinates
Plot(rr,'window n1=2 | dd type=complex | window j2=10 | '
+ fdmod.cgraph('wantscalebar=y symbol=o plotcol=1',par))
Plot(ss,'window n1=2 | dd type=complex | window | '
+ fdmod.cgraph('wantscalebar=y symbol=x plotcol=2',par))
# ------------------------------------------------------------
# acoustic source
fdmod.wavelet('wava0',par['frq'],par)
Flow( 'wava','wava0','transp')
Result('wava','transp | window n1=500 |' + fdmod.waveplot('title="Acoustic source"',par))
# ------------------------------------------------------------
# elastic source
fdmod.wavelet('hor0',par['frq'],par)
fdmod.wavelet('ver0',par['frq'],par)
Flow('hor','hor0','math output=input*%(hscale)g' % par)
Flow('ver','ver0','math output=input*%(vscale)g' % par)
Flow('wave0','ver hor','cat axis=2 space=n ${SOURCES[1:2]}')
Flow('wave','wave0',
'''
transp plane=12 |
transp plane=23 |
transp plane=12
''')
Plot('ver','wave','window n2=1 f2=0 | window n1=500 |' + fdmod.waveplot('title="Elastic vertical source"',par))
Plot('hor','wave','window n2=1 f2=1 | window n1=500 |' + fdmod.waveplot('title="Elastic horizontal source"',par))
Result('wave','hor ver','Movie')
# ------------------------------------------------------------
Plot(vp, fdmod.cgrey('wantscalebar=y allpos=y bias=1.0 pclip=100',par))
Plot(vs, fdmod.cgrey('wantscalebar=y allpos=y bias=1.0 pclip=100',par))
Plot(ro, fdmod.cgrey('wantscalebar=y allpos=y bias=100000 pclip=100',par))
Plot(epsilon,fdmod.cgrey('wantscalebar=y allpos=y pclip=100',par))
Plot(delta, fdmod.cgrey('wantscalebar=y allpos=y pclip=100',par))
Result(vp, [vp, ss,rr],'Overlay')
Result(vs, [vs, ss,rr],'Overlay')
Result(ro, [ro, ss,rr],'Overlay')
Result(epsilon,[epsilon,ss,rr],'Overlay')
Result(delta, [delta, ss,rr],'Overlay')
fdmod.anisotropic('cc','vp','vs','ro','epsilon','delta',par)
# ------------------------------------------------------------
# acoustic modeling
amodel('da','wa','wava',vp,ro,ss,rr,'',par)
Flow('waw','wa',
'''
window min1=%g max1=%g min2=%g max2=%g |
scale axis=123
''' % (par['zmin'],par['zmax'],par['xmin'],par['xmax']))
Result('wa', fdmod.wgrey('pclip=99 title="Acoustic wavefield"',par))
Result('da','transp | window f1=%(kt)d | put o1=%(ot)g | pad end1=%(kt)d |' % par
+ fdmod.dgrey('pclip=99 title="Acoustic data" grid=y',par))
# elastic modeling
emodel('de','we','wave','cc',ro,ss,rr,'ssou=%(ssou)s opot=n' % par,par)
for i in range(2):
Flow('we'+str(i+1),'we',
'''
window n3=1 f3=%d |
window min1=%g max1=%g min2=%g max2=%g |
scale axis=123
''' % (i,par['zmin'],par['zmax'],par['xmin'],par['xmax']))
Result('we'+str(i+1),
fdmod.wgrey('title=u%s pclip=99' % str(i+1),par))
Result('de'+str(i+1),'de',
'''
window n2=1 f2=%d |
transp |
window f1=%d | put o1=%g | pad end1=%d |
''' % (i,par['kt'],par['ot'],par['kt'])
+ fdmod.dgrey('title=u%s pclip=99 grid=y' %str(i+1),par))
Flow( 'weall','we1 we2','cat axis=1 space=n ${SOURCES[1]}')
Result('weall',
'''
grey title="Elastic Wavefields" wantaxis=y screenratio=%f screenht=8
gainpanel=a pclip=99
grid1=y grid2=y g1num=0.25 g2num=0.25
''' % (2*par['ratio']) )
Flow('wall','waw we1 we2','cat axis=1 space=n ${SOURCES[1:3]}')
Result('wall',
'''
grey title="" wantaxis=y screenratio=%f screenht=10
gainpanel=a pclip=99
grid1=y grid2=y g1num=0.1 g2num=0.1
''' % (3*par['ratio']) )
# wavefield movie frames
for j in range(0,par['nt']/par['jsnap'],1):
fdmod.wframe('wa-' +str(j),'wa', j,'pclip=99.9',par)
fdmod.wframe('we1-'+str(j),'we1',j,'pclip=99.9',par)
fdmod.wframe('we2-'+str(j),'we2',j,'pclip=99.9',par)
def run(par):
# experiments
fdmod.horizontal('rr',0,par)
Plot('rr','window j2=10|' + fdmod.rrplot('',par))
Plot('ss','window |' + fdmod.ssplot('',par))
Plot('sx','window |' + fdmod.ssplot('plotcol=5',par))
# wavelet
fdmod.wavelet('wav_',par['frq'],par)
Flow('wav','wav_','transp')
Result('wav','window n2=200 |' + fdmod.waveplot('',par))
# velocity
Flow('vbck',None,
'''
math n1=%(nz)d o1=%(oz)g d1=%(dz)g output="2000" |
spray axis=2 n=%(nx)d o=%(ox)g d=%(dx)g
''' % par)
Flow('vprt',None,
'''
spike nsp=1 mag=1
n1=%(nz)d o1=%(oz)g d1=%(dz)g k1=%(kz)d l1=%(mz)d
n2=%(nx)d o2=%(ox)g d2=%(dx)g k2=%(kx)d l2=%(mx)d |
smooth rect1=25 rect2=25 repeat=3 |
scale axis=123 |
scale rscale=%(vprt)g
''' % par)
Flow( 'velo','vbck vprt','add ${SOURCES[1]}')
Plot( 'velo',fdmod.cgrey('allpos=y bias=1200 pclip=100 color=g',par))
Result('velo',['velo','ss','sx'],'Overlay')
# density
Flow('dens','velo','math output=1')
# reflector
Plot('refl','refl velo',
'''
depth2time velocity=${SOURCES[1]} dt=%(dt)g nt=%(nt)d |
scale rscale=-1 |
ricker1 frequency=%(frq)g |
time2depth velocity=${SOURCES[1]} dz=%(dz)g nz=%(nz)d |
''' % par + fdmod.cgrey('pclip=100',par))
Result('refl',['refl','ss','sx'],'Overlay')
# mask
Flow('mask',None,
'''
spike nsp=1 mag=1
n1=%(nx)d o1=%(ox)g d1=%(dx)g k1=101 l1=900
n2=%(nt)d o2=%(ot)g d2=%(dt)g |
smooth rect1=100 |
scale axis=123
''' % par)
Result('mask','transp |' + fdmod.dgrey('allpos=y pclip=100',par))
# F-D modeling (born)
fdmod.lwefd1(
'do','wo',
'dd','wd',
'wav','velo','dens','refl','ss','rr','jsnap=100',par)
Result('do','transp | window min1=0.25 |' + fdmod.dgrey('min1=0.25 pclip=100',par))
Result('dd','transp | window min1=0.25 |' + fdmod.dgrey('min1=0.25 pclip=100',par))
Plot('wo',fdmod.wgrey('',par),view=1)
Plot('wd',fdmod.wgrey('',par),view=1)
# source data and wavefield
fdmod.awefd1(
'ds','ws',
'wav','velo','dens','sx','rr','',par)
Plot('ws','window j3=20 |' + fdmod.wgrey('',par),view=1)
# receiver wavefield
Flow('du','dd mask',
'add mode=p ${SOURCES[1]} | reverse which=2 opt=i verb=y')
fdmod.awefd(
'dx','wx',
'du','velo','dens','rr','rr','',par)
Flow('dr','dx','reverse which=2 opt=i verb=y')
Flow('wr','wx','reverse which=4 opt=i verb=y')
Plot('wr','window j3=20 |' + fdmod.wgrey('',par),view=1)
for i in range(0,par['nt']/100,1):
fdmod.wframe('wo'+'-'+str(i),'wo',i,'pclip=99.9',par)
fdmod.wframe('wd'+'-'+str(i),'wd',i,'pclip=100',par)
for i in range(0,par['nt']/100,1):
fdmod.wframe('wx'+'-'+str(i),'wx',i*25,'pclip=99.9',par)
# ------------------------------------------------------------
minx=500
maxx=1500
minz=par['oz']+par['nz']*par['dz']/2
numz=par['nz']/2
mint=0.1
numt=150
maxt=mint+numt*par['dt']*par['jsnap']
# wavefield
for i in ('s','r'):
Flow('u'+i,'w'+i,
'''
window min1=%(zmin)g max1=%(zmax)g min2=%(xmin)g max2=%(xmax)g |
scale axis=123
''' % par)
Plot('u'+i,'window j3=10 |' + fdmod.wgrey('pclip=99',par),view=1)
for k in range(0,par['nt']/par['jsnap'],25):
fdmod.wframe('u'+i+'-'+str(k/25),'u'+i,k,'pclip=99',par)
# windowed wavefields
Flow('p'+i,'u'+i,
'''
window min1=%g n1=%g min2=%g max2=%g min3=%g n3=%g
''' % (minz,numz,
minx,maxx,
mint,numt))
Flow('q'+i,'p'+i,'transp plane=13 memsize=500')
Flow('o'+i,'q'+i,'transp plane=23 memsize=500')
Flow( 'qi','qs qr','add mode=p ${SOURCES[1]}')
Flow( 'oi','os or','add mode=p ${SOURCES[1]}')
for i in ('s','r','i'):
Plot('q'+i,'window j3=10 |'
+ fdmod.dgrey('gainpanel=a pclip=100',par),view=1)
Plot('o'+i,'window j3=10 | transp |'
+ fdmod.egrey('gainpanel=a pclip=100',par),view=1)
Flow(['q'+i+'plt','q'+i+'bar'],'q'+i,
'byte bar=${TARGETS[1]} gainpanel=a pclip=100')
for k in range(10):
Result('q'+i+'plt'+str(k),['q'+i+'plt','q'+i+'bar'],
'window n3=1 f3=%d |' % (10*k) +
fdmod.dgrey(
'''
bar=${SOURCES[1]} min1=%g max1=%g min2=%g max2=%g
labelsz=8 labelfat=3 screenratio=1.5
''' %(mint,maxt,minx,maxx),par))
# cut along the reflectors
Flow('cut','refl',
'''
window min1=%g n1=%g min2=%g max2=%g |
spray axis=3 n=%d o=%g d=%g |
transp plane=13 memsize=500
''' % (minz,numz,
minx,maxx,
numt,0.1,par['dt']*4) )
for i in ('s','r'):
Flow('c'+i,['q'+i,'cut'],
'''
add mode=p ${SOURCES[1]} |
transp plane=23 |
stack
''')
Result('c'+i,fdmod.dgrey('',par))
Flow( 'f'+i,'q'+i,'window n3=1 min3=300')
Result('f'+i,fdmod.dgrey('',par))
# ------------------------------------------------------------
# conventional IC
Flow( 'ii',['ps','pr'],'ic ur=${SOURCES[1]} version=0 nbuf=500 verb=y')
Plot( 'ii',fdmod.cgrey('pclip=99.9',par))
Result('ii',['ii','ss','sx'],'Overlay')
def run(par):
# ------------------------------------------------------------
fdmod.point('ss1',par['xsou1'],par['oz'],par)
fdmod.point('ss2',par['xsou2'],par['oz'],par)
Plot('ss1','window |' + fdmod.ssplot('plotcol=5',par))
Plot('ss2','window |' + fdmod.ssplot('plotcol=5',par))
# ------------------------------------------------------------
# velocity
Plot( 'vel',fdmod.cgrey('bias=4.8 allpos=y pclip=99 color=j',par))
Result('vel','vel ss1 ss2','Overlay')
# slowness
Flow('slo','vel',
'''
math output=1/input |
transp |
transp plane=23 |
put o2=0 d2=1 label2=y
''')
Result('slo','window | transp |'
+ fdmod.cgrey('allpos=y pclip=95 bias=0.125',par))
# reflectivity
Flow('ref','del',
'''
transp |
transp plane=23 |
put o2=0 d2=1 label2=y
''')
Result('ref','window | transp |' + fdmod.cgrey('pclip=99',par))
# ------------------------------------------------------------
# wavelet
fdmod.wavelet('wav',8,par)
Result('wav','window n1=500 |' + fdmod.waveplot('',par))
# ------------------------------------------------------------
for i in ('1','2'):
Flow('spk'+i,'wav',
'''
pad beg2=%d n2out=%d |
put o2=%g d2=%g
''' % ( (par['xsou'+i]-par['ox'])/par['dx'],par['nx'],par['ox'],par['dx']) )
Result('spk'+i,fdmod.dgrey('pclip=100',par))
# ------------------------------------------------------------
for i in ('1','2'):
# source wavefield (from time to frequency)
zomig.wflds('dds'+i,'spk'+i,par)
# wavefield extrapolation MODELING
spmig.modelPW3('ddr'+i,'slo','dds'+i,'ref',par)
# ------------------------------------------------------------
# shots 1 and 2
Flow('dds0','dds1 dds2','add ${SOURCES[1]}')
Flow('ddr0','ddr1 ddr2','add ${SOURCES[1]}') # both shots
for i in ('1','2','0'):
Result('dds'+i,'window | real | smooth rect1=5 | sfgrey pclip=100')
Result('ddr'+i,'window | real | smooth rect1=5 | sfgrey pclip=100')
# ------------------------------------------------------------
# available dds[0,1,2], ddr[0,1,2], slo
# ------------------------------------------------------------
for i in ('1','2','0'):
# recorded data (from frequency to time)
Flow('ttr'+i,'ddr'+i,
'''
window |
transp |
pad beg1=%(fw)d n1out=%(kw)d |
fft1 inv=y opt=n
''' % par)
Result('ttr'+i,fdmod.dgrey('pclip=100 min1=1 max1=6 screenratio=0.5 screenht=7',par))
# wavefield extrapolation MIGRATION
spmig.imagePW3('ii'+i,'cc'+i,'slo','dds'+i,'ddr'+i,par)
Plot( 'ii'+i,'window min1=%(lox)d max1=%(hix)d | transp |' %par
+ fdmod.cgrey('pclip=99',par))
Result('ii'+i,['ii'+i,'ss1','ss2'],'Overlay')
Flow('ii','ii1 ii2','add ${SOURCES[1]}')
Plot('ii','window min1=%(lox)d max1=%(hix)d | transp |' %par
+ fdmod.cgrey('pclip=100',par))
Result('ii',['ii','ss1','ss2'],'Overlay')
# ------------------------------------------------------------
# datuming
zomig.Cwfone3('wfs','dds0','slo',par) # source wavefield for one shot
zomig.Awfone3('wfr','ddr0','slo',par) # receiver wavefield for two shots
# ------------------------------------------------------------
# data in the time domain
for k in ('s','r'):
Flow('q'+k,'wf'+k,
'''
window min1=%(lox)d max1=%(hix)d j1=2 j3=2 |
transp plane=23 memsize=500 |
transp plane=12 memsize=500 |
pad beg1=%(fw)d n1out=%(kw)d |
fft1 inv=y opt=n |
window max1=%(tcut)g
''' % par)
Plot('q'+k,'window j3=10 |' +
fdmod.dgrey('gainpanel=a pclip=99',par),view=1)
Flow( 'qi','qs qr','add mode=p ${SOURCES[1]}')
Plot('qi','window j3=10 |'
+ fdmod.dgrey('gainpanel=a pclip=100',par),view=1)
# SIC
Flow('kk',['qs','qr'],
'''
sic3d ur=${SOURCES[1]} nbuf=500 verb=y stack=n
oanga=%(oanga)g nanga=%(nanga)d danga=%(danga)g
oangb=%(oangb)g nangb=%(nangb)d dangb=%(dangb)g
nl=%(nl)d dl=%(dl)g
sig=%(sig)g
''' % par)
Plot('kk','transp plane=23 | stack | transp |'
+ fdmod.cgrey('pclip=100',par))
Result('kk',['kk','ss1','ss2'],'Overlay')
def test(par):
# ------------------------------------------------------------
# source coordinate
fdmod.point('ss',par['xsou'],par['zsou'],par)
Plot('ss',fdmod.ssplot('',par))
Result('vel',['vel','ss'],'Overlay')
Result('ref',['ref','ss'],'Overlay')
Result('img',['img','ss'],'Overlay')
# slowness
Flow('slo','vel',
'''
transp |
math "output=1/input" |
spray axis=2 n=1 |
put label2=y
''' % par )
Result('slo','window | transp |' + fdmod.cgrey('allpos=y bias=0.065',par))
# migration wavelet
Flow('wvl',None,
'''
spike nsp=1 mag=1
n1=%(nt)d d1=%(dt)g o1=0 k1=1
n2=1 d2=%(dx)g o2=%(xsou)g |
scale axis=123 |
put label1=t label2=x label3=y
''' % par)
# modeling wavelet (time domain)
Flow('wav',None,
'''
spike nsp=1 mag=1
n1=%(nt)d d1=%(dt)g o1=0 k1=%(kt)d
n2=1 d2=%(dx)g o2=%(xsou)g |
ricker1 frequency=%(frq)g |
scale axis=123 |
put label1=t label2=x label3=y
''' % par)
Result('wav','window n1=200 |' + fdmod.waveplot('',par))
# modeling wavelet (frequency domain)
Flow('sou','wav',
'''
fft1 |
window squeeze=n n1=%(nw)d min1=%(ow)g |
pad beg2=%(xpad)d n2out=%(nx)d |
put label1=w label2=x label3=y |
transp memsize=250 plane=12 |
transp memsize=250 plane=23
''' % par)
# global slowness perturnation
Flow('ds',None,
'''
spike nsp=1 mag=0.00005
n1=%(nz)d d1=%(dz)g o1=%(oz)g
n2=%(nx)d d2=%(dx)g o2=%(ox)g |
put label1=z label2=x label3=y |
smooth rect1=1 rect2=1 |
transp plane=12 |
transp plane=23 |
rtoc
''' % par)
Plot('ds','window | real | transp |'+ fdmod.cgrey('pclip=99.9',par))
# ------------------------------------------------------------
# zero-offset
# ------------------------------------------------------------
# data
zomig.model3('Zmod','slo','img',par)
Flow('Zdat','Zmod',
'''
transp plane=23 |
transp plane=12 |
pad beg1=%(begw)d n1out=%(padw)d |
fft1 inv=y |
put o1=0 label1=t label2=x
''' % par)
Result('Zdat',fdmod.dgrey('screenratio=0.5 screenht=7',par))
# wavefield
zomig.Awftwo3('woz','Zmod','slo',par)
# migration
zomig.image3('Zimg','slo','Zmod',par)
Plot( 'Zimg','window | transp |' + fdmod.cgrey('',par))
Result('Zimg','Zimg','Overlay')
# WEMVA zero-offset
zomig.s2i( 'ds' ,'ZFds','woz','slo',par) # forward F(ds)
zomig.i2s('ZFds','ZAFds','woz','slo',par) # adjoint A(F(ds))
Result( 'ZFds','window | real | transp |'+ fdmod.cgrey('',par))
Result('ZAFds','window | real | transp |'+ fdmod.cgrey('pclip=98',par))
# ------------------------------------------------------------
# shot-record
# ------------------------------------------------------------
# data
spmig.modelPW3('Smod','slo','sou','ref',par)
Flow('Sdat','Smod',
'''
transp plane=23 |
transp plane=12 |
pad beg1=%(begw)d n1out=%(padw)d |
fft1 inv=y |
window f1=%(kt)d |
pad n1out=%(nt)d |
put o1=0 o2=%(xoff)g o3=%(xsou)g
''' % par)
Result('Sdat',
fdmod.dgrey('min2=%g max2=%g label2="Offset" screenratio=0.5 screenht=7'
%(par['xoff'],-par['xoff']),par))
# wavefields
spmig.wflds ('dos','dor','wvl','Sdat',par)
zomig.Cwfone3('wos','dos','slo',par) # source
zomig.Awfone3('wor','dor','slo',par) # receiver
# migration
spmig.imagePW3('Simg','cig','slo','dos','dor',par)
Plot( 'Simg','window | transp |'+ fdmod.cgrey('',par))
Result('Simg','Simg ss','Overlay')
# WEMVA shot-record
spmig.s2i( 'ds', 'SFds','wos','wor','slo',par) # forward F(ds)
spmig.i2s('SFds','SAFds','wos','wor','slo',par) # adjoint A(F(ds))
Result( 'SFds','window | real | transp |'+ fdmod.cgrey('',par))
Result('SAFds','window | real | transp |'+ fdmod.cgrey('pclip=98',par))
# ------------------------------------------------------------
for ispk in range(par['nspk']):
i = par['ospk'] + ispk
tag = str(i)
par['xx']=par['nx']/2+i*par['jspk']
par['xs']=par['xx'] # x start
par['xe']=par['xx'] # x end
par['zs']=par['nz']/2 # z start
par['ze']=par['nz']/2 # z end
# slowness perturbation
Flow('ds'+tag,None,
'''
spike nsp=1 mag=1
n1=%(nz)d d1=%(dz)g o1=%(oz)g k1=%(zs)d l1=%(ze)d
n2=%(nx)d d2=%(dx)g o2=%(ox)g k2=%(xs)d l2=%(xe)d |
put label1=z label2=x label3=y |
smooth rect1=6 rect2=2 repeat=3 |
scale axis=123 |
scale rscale=0.00005 |
transp plane=12 |
transp plane=23 |
rtoc
''' % par)
Result('ds'+tag,'window | real | transp |'+ fdmod.cgrey('',par))
# image perturbation
Flow('di'+tag,'ZFds msk',
'''
window squeeze=n n1=1 f1=%(xx)d |
pad beg1=%(xx)d n1out=%(nx)d |
put o1=%(ox)g |
math m=${SOURCES[1]} output="input*m"
''' %par)
Result('di'+tag,'window | real | transp | smooth rect2=3 repeat=3 |'+ fdmod.cgrey('',par))
# WEMVA zero-offset
zomig.s2i( 'ds'+tag, 'ZFds'+tag,'woz','slo',par) # forward F(ds)
zomig.i2s('ZFds'+tag,'ZAFds'+tag,'woz','slo',par) # adjoint A(F(ds))
zomig.i2s( 'di'+tag, 'ZAdi'+tag,'woz','slo',par) # adjoint A(di)
zomig.s2i('ZAdi'+tag,'ZFAdi'+tag,'woz','slo',par) # forward F(A(di))
Result( 'ZFds'+tag,'window | real | transp |'+ fdmod.cgrey('',par))
Result( 'ZAFds'+tag,'window | real | transp |'+ fdmod.cgrey('pclip=99.9',par))
Result( 'ZAdi'+tag,'window | real | transp |'+ fdmod.cgrey('pclip=99.9',par))
Result( 'ZFAdi'+tag,'window | real | transp |'+ fdmod.cgrey('',par))
# WEMVA shot-record
spmig.s2i( 'ds'+tag, 'SFds'+tag,'wos','wor','slo',par) # forward F(ds)
spmig.i2s('SFds'+tag,'SAFds'+tag,'wos','wor','slo',par) # adjoint A(F(ds))
spmig.i2s( 'di'+tag, 'SAdi'+tag,'wos','wor','slo',par) # adjoint A(di)
spmig.s2i('SAdi'+tag,'SFAdi'+tag,'wos','wor','slo',par) # forward F(A(di))
Result( 'SFds'+tag,'window | real | transp |'+ fdmod.cgrey('',par))
Result( 'SAFds'+tag,'window | real | transp |'+ fdmod.cgrey('pclip=99.9',par))
Result( 'SAdi'+tag,'window | real | transp |'+ fdmod.cgrey('pclip=99.9',par))
Result( 'SFAdi'+tag,'window | real | transp |'+ fdmod.cgrey('',par))
def test(par):
# ------------------------------------------------------------
# source coordinate
fdmod.point('ss', par['xsou'], par['zsou'], par)
Plot('ss', fdmod.ssplot('', par))
Result('vel', ['vel', 'ss'], 'Overlay')
Result('ref', ['ref', 'ss'], 'Overlay')
Result('img', ['img', 'ss'], 'Overlay')
# slowness
Flow(
'slo', 'vel', '''
transp |
math "output=1/input" |
spray axis=2 n=1 |
put label2=y
''' % par)
Result('slo',
'window | transp |' + fdmod.cgrey('allpos=y bias=0.065', par))
# migration wavelet
Flow(
'wvl', None, '''
spike nsp=1 mag=1
n1=%(nt)d d1=%(dt)g o1=0 k1=1
n2=1 d2=%(dx)g o2=%(xsou)g |
scale axis=123 |
put label1=t label2=x label3=y
''' % par)
# modeling wavelet (time domain)
Flow(
'wav', None, '''
spike nsp=1 mag=1
n1=%(nt)d d1=%(dt)g o1=0 k1=%(kt)d
n2=1 d2=%(dx)g o2=%(xsou)g |
ricker1 frequency=%(frq)g |
scale axis=123 |
put label1=t label2=x label3=y
''' % par)
Result('wav', 'window n1=200 |' + fdmod.waveplot('', par))
# modeling wavelet (frequency domain)
Flow(
'sou', 'wav', '''
fft1 |
window squeeze=n n1=%(nw)d min1=%(ow)g |
pad beg2=%(xpad)d n2out=%(nx)d |
put label1=w label2=x label3=y |
transp memsize=250 plane=12 |
transp memsize=250 plane=23
''' % par)
# global slowness perturnation
Flow(
'ds', None, '''
spike nsp=1 mag=0.00005
n1=%(nz)d d1=%(dz)g o1=%(oz)g
n2=%(nx)d d2=%(dx)g o2=%(ox)g |
put label1=z label2=x label3=y |
smooth rect1=1 rect2=1 |
transp plane=12 |
transp plane=23 |
rtoc
''' % par)
Plot('ds', 'window | real | transp |' + fdmod.cgrey('pclip=99.9', par))
# ------------------------------------------------------------
# zero-offset
# ------------------------------------------------------------
# data
zomig.model3('Zmod', 'slo', 'img', par)
Flow(
'Zdat', 'Zmod', '''
transp plane=23 |
transp plane=12 |
pad beg1=%(begw)d n1out=%(padw)d |
fft1 inv=y |
put o1=0 label1=t label2=x
''' % par)
Result('Zdat', fdmod.dgrey('screenratio=0.5 screenht=7', par))
# wavefield
zomig.Awftwo3('woz', 'Zmod', 'slo', par)
# migration
zomig.image3('Zimg', 'slo', 'Zmod', par)
Plot('Zimg', 'window | transp |' + fdmod.cgrey('', par))
Result('Zimg', 'Zimg', 'Overlay')
# WEMVA zero-offset
zomig.s2i('ds', 'ZFds', 'woz', 'slo', par) # forward F(ds)
zomig.i2s('ZFds', 'ZAFds', 'woz', 'slo', par) # adjoint A(F(ds))
Result('ZFds', 'window | real | transp |' + fdmod.cgrey('', par))
Result('ZAFds', 'window | real | transp |' + fdmod.cgrey('pclip=98', par))
# ------------------------------------------------------------
# shot-record
# ------------------------------------------------------------
# data
spmig.modelPW3('Smod', 'slo', 'sou', 'ref', par)
Flow(
'Sdat', 'Smod', '''
transp plane=23 |
transp plane=12 |
pad beg1=%(begw)d n1out=%(padw)d |
fft1 inv=y |
window f1=%(kt)d |
pad n1out=%(nt)d |
put o1=0 o2=%(xoff)g o3=%(xsou)g
''' % par)
Result(
'Sdat',
fdmod.dgrey(
'min2=%g max2=%g label2="Offset" screenratio=0.5 screenht=7' %
(par['xoff'], -par['xoff']), par))
# wavefields
spmig.wflds('dos', 'dor', 'wvl', 'Sdat', par)
zomig.Cwfone3('wos', 'dos', 'slo', par) # source
zomig.Awfone3('wor', 'dor', 'slo', par) # receiver
# migration
spmig.imagePW3('Simg', 'cig', 'slo', 'dos', 'dor', par)
Plot('Simg', 'window | transp |' + fdmod.cgrey('', par))
Result('Simg', 'Simg ss', 'Overlay')
# WEMVA shot-record
spmig.s2i('ds', 'SFds', 'wos', 'wor', 'slo', par) # forward F(ds)
spmig.i2s('SFds', 'SAFds', 'wos', 'wor', 'slo', par) # adjoint A(F(ds))
Result('SFds', 'window | real | transp |' + fdmod.cgrey('', par))
Result('SAFds', 'window | real | transp |' + fdmod.cgrey('pclip=98', par))
# ------------------------------------------------------------
for ispk in range(par['nspk']):
i = par['ospk'] + ispk
tag = str(i)
par['xx'] = par['nx'] / 2 + i * par['jspk']
par['xs'] = par['xx'] # x start
par['xe'] = par['xx'] # x end
par['zs'] = par['nz'] / 2 # z start
par['ze'] = par['nz'] / 2 # z end
# slowness perturbation
Flow(
'ds' + tag, None, '''
spike nsp=1 mag=1
n1=%(nz)d d1=%(dz)g o1=%(oz)g k1=%(zs)d l1=%(ze)d
n2=%(nx)d d2=%(dx)g o2=%(ox)g k2=%(xs)d l2=%(xe)d |
put label1=z label2=x label3=y |
smooth rect1=6 rect2=2 repeat=3 |
scale axis=123 |
scale rscale=0.00005 |
transp plane=12 |
transp plane=23 |
rtoc
''' % par)
Result('ds' + tag, 'window | real | transp |' + fdmod.cgrey('', par))
# image perturbation
Flow(
'di' + tag, 'ZFds msk', '''
window squeeze=n n1=1 f1=%(xx)d |
pad beg1=%(xx)d n1out=%(nx)d |
put o1=%(ox)g |
math m=${SOURCES[1]} output="input*m"
''' % par)
Result(
'di' + tag, 'window | real | transp | smooth rect2=3 repeat=3 |' +
fdmod.cgrey('', par))
# WEMVA zero-offset
zomig.s2i('ds' + tag, 'ZFds' + tag, 'woz', 'slo',
par) # forward F(ds)
zomig.i2s('ZFds' + tag, 'ZAFds' + tag, 'woz', 'slo',
par) # adjoint A(F(ds))
zomig.i2s('di' + tag, 'ZAdi' + tag, 'woz', 'slo',
par) # adjoint A(di)
zomig.s2i('ZAdi' + tag, 'ZFAdi' + tag, 'woz', 'slo',
par) # forward F(A(di))
Result('ZFds' + tag, 'window | real | transp |' + fdmod.cgrey('', par))
Result('ZAFds' + tag,
'window | real | transp |' + fdmod.cgrey('pclip=99.9', par))
Result('ZAdi' + tag,
'window | real | transp |' + fdmod.cgrey('pclip=99.9', par))
Result('ZFAdi' + tag,
'window | real | transp |' + fdmod.cgrey('', par))
# WEMVA shot-record
spmig.s2i('ds' + tag, 'SFds' + tag, 'wos', 'wor', 'slo',
par) # forward F(ds)
spmig.i2s('SFds' + tag, 'SAFds' + tag, 'wos', 'wor', 'slo',
par) # adjoint A(F(ds))
spmig.i2s('di' + tag, 'SAdi' + tag, 'wos', 'wor', 'slo',
par) # adjoint A(di)
spmig.s2i('SAdi' + tag, 'SFAdi' + tag, 'wos', 'wor', 'slo',
par) # forward F(A(di))
Result('SFds' + tag, 'window | real | transp |' + fdmod.cgrey('', par))
Result('SAFds' + tag,
'window | real | transp |' + fdmod.cgrey('pclip=99.9', par))
Result('SAdi' + tag,
'window | real | transp |' + fdmod.cgrey('pclip=99.9', par))
Result('SFAdi' + tag,
'window | real | transp |' + fdmod.cgrey('', par))
def run(par):
# experiments
fdmod.horizontal('rr', 0, par)
Plot('rr', 'window j2=10|' + fdmod.rrplot('', par))
Plot('ss', 'window |' + fdmod.ssplot('', par))
Plot('sx', 'window |' + fdmod.ssplot('plotcol=5', par))
# wavelet
fdmod.wavelet('wav_', par['frq'], par)
Flow('wav', 'wav_', 'transp')
Result('wav', 'window n2=200 |' + fdmod.waveplot('', par))
# velocity
Flow(
'vbck', None, '''
math n1=%(nz)d o1=%(oz)g d1=%(dz)g output="2000" |
spray axis=2 n=%(nx)d o=%(ox)g d=%(dx)g
''' % par)
Flow(
'vprt', None, '''
spike nsp=1 mag=1
n1=%(nz)d o1=%(oz)g d1=%(dz)g k1=%(kz)d l1=%(mz)d
n2=%(nx)d o2=%(ox)g d2=%(dx)g k2=%(kx)d l2=%(mx)d |
smooth rect1=25 rect2=25 repeat=3 |
scale axis=123 |
scale rscale=%(vprt)g
''' % par)
Flow('velo', 'vbck vprt', 'add ${SOURCES[1]}')
Plot('velo', fdmod.cgrey('allpos=y bias=1200 pclip=100 color=g', par))
Result('velo', ['velo', 'ss', 'sx'], 'Overlay')
# density
Flow('dens', 'velo', 'math output=1')
# reflector
Plot(
'refl', 'refl velo', '''
depth2time velocity=${SOURCES[1]} dt=%(dt)g nt=%(nt)d |
scale rscale=-1 |
ricker1 frequency=%(frq)g |
time2depth velocity=${SOURCES[1]} dz=%(dz)g nz=%(nz)d |
''' % par + fdmod.cgrey('pclip=100', par))
Result('refl', ['refl', 'ss', 'sx'], 'Overlay')
# mask
Flow(
'mask', None, '''
spike nsp=1 mag=1
n1=%(nx)d o1=%(ox)g d1=%(dx)g k1=101 l1=900
n2=%(nt)d o2=%(ot)g d2=%(dt)g |
smooth rect1=100 |
scale axis=123
''' % par)
Result('mask', 'transp |' + fdmod.dgrey('allpos=y pclip=100', par))
# F-D modeling (born)
fdmod.lwefd1('do', 'wo', 'dd', 'wd', 'wav', 'velo', 'dens', 'refl', 'ss',
'rr', 'jsnap=100', par)
Result(
'do', 'transp | window min1=0.25 |' +
fdmod.dgrey('min1=0.25 pclip=100', par))
Result(
'dd', 'transp | window min1=0.25 |' +
fdmod.dgrey('min1=0.25 pclip=100', par))
Result('wo', fdmod.wgrey('', par))
Result('wd', fdmod.wgrey('', par))
# source data and wavefield
fdmod.awefd1('ds', 'ws', 'wav', 'velo', 'dens', 'sx', 'rr', '', par)
Result('ws', 'window j3=20 |' + fdmod.wgrey('', par))
# receiver wavefield
Flow('du', 'dd mask',
'add mode=p ${SOURCES[1]} | reverse which=2 opt=i verb=y')
fdmod.awefd('dx', 'wx', 'du', 'velo', 'dens', 'rr', 'rr', '', par)
Flow('dr', 'dx', 'reverse which=2 opt=i verb=y')
Flow('wr', 'wx', 'reverse which=4 opt=i verb=y')
Result('wr', 'window j3=20 |' + fdmod.wgrey('', par))
for i in range(0, par['nt'] / 100, 1):
fdmod.wframe('wo' + '-' + str(i), 'wo', i, 'pclip=99.9', par)
fdmod.wframe('wd' + '-' + str(i), 'wd', i, 'pclip=100', par)
for i in range(0, par['nt'] / 100, 1):
fdmod.wframe('wx' + '-' + str(i), 'wx', i * 25, 'pclip=99.9', par)
# ------------------------------------------------------------
minx = 500
maxx = 1500
minz = par['oz'] + par['nz'] * par['dz'] / 2
numz = par['nz'] / 2
mint = 0.1
numt = 150
maxt = mint + numt * par['dt'] * par['jsnap']
# wavefield
for i in ('s', 'r'):
Flow(
'u' + i, 'w' + i, '''
window min1=%(zmin)g max1=%(zmax)g min2=%(xmin)g max2=%(xmax)g |
scale axis=123
''' % par)
Plot('u' + i, 'window j3=10 |' + fdmod.wgrey('pclip=99', par), view=1)
for k in range(0, par['nt'] / par['jsnap'], 25):
fdmod.wframe('u' + i + '-' + str(k / 25), 'u' + i, k, 'pclip=99',
par)
# windowed wavefields
Flow(
'p' + i, 'u' + i, '''
window min1=%g n1=%g min2=%g max2=%g min3=%g n3=%g
''' % (minz, numz, minx, maxx, mint, numt))
Flow('q' + i, 'p' + i, 'transp plane=13 memsize=500')
Flow('o' + i, 'q' + i, 'transp plane=23 memsize=500')
Flow('qi', 'qs qr', 'add mode=p ${SOURCES[1]}')
Flow('oi', 'os or', 'add mode=p ${SOURCES[1]}')
for i in ('s', 'r', 'i'):
Plot('q' + i,
'window j3=10 |' + fdmod.dgrey('gainpanel=a pclip=100', par),
view=1)
Plot('o' + i,
'window j3=10 | transp |' +
fdmod.egrey('gainpanel=a pclip=100', par),
view=1)
Flow(['q' + i + 'plt', 'q' + i + 'bar'], 'q' + i,
'byte bar=${TARGETS[1]} gainpanel=a pclip=100')
for k in range(10):
Result(
'q' + i + 'plt' + str(k), ['q' + i + 'plt', 'q' + i + 'bar'],
'window n3=1 f3=%d |' % (10 * k) + fdmod.dgrey(
'''
bar=${SOURCES[1]} min1=%g max1=%g min2=%g max2=%g
labelsz=8 labelfat=3 screenratio=1.5
''' % (mint, maxt, minx, maxx), par))
# cut along the reflectors
Flow(
'cut', 'refl', '''
window min1=%g n1=%g min2=%g max2=%g |
spray axis=3 n=%d o=%g d=%g |
transp plane=13 memsize=500
''' % (minz, numz, minx, maxx, numt, 0.1, par['dt'] * 4))
for i in ('s', 'r'):
Flow(
'c' + i, ['q' + i, 'cut'], '''
add mode=p ${SOURCES[1]} |
transp plane=23 |
stack
''')
Result('c' + i, fdmod.dgrey('', par))
Flow('f' + i, 'q' + i, 'window n3=1 min3=300')
Result('f' + i, fdmod.dgrey('', par))
# ------------------------------------------------------------
# conventional IC
Flow('ii', ['ps', 'pr'], 'ic ur=${SOURCES[1]} version=0 nbuf=500 verb=y')
Plot('ii', fdmod.cgrey('pclip=99.9', par))
Result('ii', ['ii', 'ss', 'sx'], 'Overlay')
def run(par):
# ------------------------------------------------------------
fdmod.point('ss1', par['xsou1'], par['oz'], par)
fdmod.point('ss2', par['xsou2'], par['oz'], par)
Plot('ss1', 'window |' + fdmod.ssplot('plotcol=5', par))
Plot('ss2', 'window |' + fdmod.ssplot('plotcol=5', par))
# ------------------------------------------------------------
# velocity
Plot('vel', fdmod.cgrey('bias=4.8 allpos=y pclip=99 color=j', par))
Result('vel', 'vel ss1 ss2', 'Overlay')
# slowness
Flow(
'slo', 'vel', '''
math output=1/input |
transp |
transp plane=23 |
put o2=0 d2=1 label2=y
''')
Result(
'slo',
'window | transp |' + fdmod.cgrey('allpos=y pclip=95 bias=0.125', par))
# reflectivity
Flow(
'ref', 'del', '''
transp |
transp plane=23 |
put o2=0 d2=1 label2=y
''')
Result('ref', 'window | transp |' + fdmod.cgrey('pclip=99', par))
# ------------------------------------------------------------
# wavelet
fdmod.wavelet('wav', 8, par)
Result('wav', 'window n1=500 |' + fdmod.waveplot('', par))
# ------------------------------------------------------------
for i in ('1', '2'):
Flow(
'spk' + i, 'wav', '''
pad beg2=%d n2out=%d |
put o2=%g d2=%g
''' % ((par['xsou' + i] - par['ox']) / par['dx'], par['nx'],
par['ox'], par['dx']))
Result('spk' + i, fdmod.dgrey('pclip=100', par))
# ------------------------------------------------------------
for i in ('1', '2'):
# source wavefield (from time to frequency)
zomig.wflds('dds' + i, 'spk' + i, par)
# wavefield extrapolation MODELING
spmig.modelPW3('ddr' + i, 'slo', 'dds' + i, 'ref', par)
# ------------------------------------------------------------
# shots 1 and 2
Flow('dds0', 'dds1 dds2', 'add ${SOURCES[1]}')
Flow('ddr0', 'ddr1 ddr2', 'add ${SOURCES[1]}') # both shots
for i in ('1', '2', '0'):
Result('dds' + i, 'window | real | smooth rect1=5 | sfgrey pclip=100')
Result('ddr' + i, 'window | real | smooth rect1=5 | sfgrey pclip=100')
# ------------------------------------------------------------
# available dds[0,1,2], ddr[0,1,2], slo
# ------------------------------------------------------------
for i in ('1', '2', '0'):
# recorded data (from frequency to time)
Flow(
'ttr' + i, 'ddr' + i, '''
window |
transp |
pad beg1=%(fw)d n1out=%(kw)d |
fft1 inv=y opt=n
''' % par)
Result(
'ttr' + i,
fdmod.dgrey('pclip=100 min1=1 max1=6 screenratio=0.5 screenht=7',
par))
# wavefield extrapolation MIGRATION
spmig.imagePW3('ii' + i, 'cc' + i, 'slo', 'dds' + i, 'ddr' + i, par)
Plot(
'ii' + i, 'window min1=%(lox)d max1=%(hix)d | transp |' % par +
fdmod.cgrey('pclip=99', par))
Result('ii' + i, ['ii' + i, 'ss1', 'ss2'], 'Overlay')
Flow('ii', 'ii1 ii2', 'add ${SOURCES[1]}')
Plot(
'ii', 'window min1=%(lox)d max1=%(hix)d | transp |' % par +
fdmod.cgrey('pclip=100', par))
Result('ii', ['ii', 'ss1', 'ss2'], 'Overlay')
# ------------------------------------------------------------
# datuming
zomig.Cwfone3('wfs', 'dds0', 'slo', par) # source wavefield for one shot
zomig.Awfone3('wfr', 'ddr0', 'slo',
par) # receiver wavefield for two shots
# ------------------------------------------------------------
# data in the time domain
for k in ('s', 'r'):
Flow(
'q' + k, 'wf' + k, '''
window min1=%(lox)d max1=%(hix)d j1=2 j3=2 |
transp plane=23 memsize=500 |
transp plane=12 memsize=500 |
pad beg1=%(fw)d n1out=%(kw)d |
fft1 inv=y opt=n |
window max1=%(tcut)g
''' % par)
Plot('q' + k,
'window j3=10 |' + fdmod.dgrey('gainpanel=a pclip=99', par),
view=1)
Flow('qi', 'qs qr', 'add mode=p ${SOURCES[1]}')
Plot('qi',
'window j3=10 |' + fdmod.dgrey('gainpanel=a pclip=100', par),
view=1)
# SIC
Flow(
'kk', ['qs', 'qr'], '''
sic3d ur=${SOURCES[1]} nbuf=500 verb=y stack=n
oanga=%(oanga)g nanga=%(nanga)d danga=%(danga)g
oangb=%(oangb)g nangb=%(nangb)d dangb=%(dangb)g
nl=%(nl)d dl=%(dl)g
sig=%(sig)g
''' % par)
Plot('kk',
'transp plane=23 | stack | transp |' + fdmod.cgrey('pclip=100', par))
Result('kk', ['kk', 'ss1', 'ss2'], 'Overlay')
def ewavelet(wavelet, custom, par):
for i in range(2):
Plot(wavelet + str(i + 1), wavelet, "window n2=1 f2=%d | transp | window |" % i + fdmod.waveplot("%d" % i, par))
Result(wavelet, [wavelet + "1", wavelet + "2"], "Movie")
def test(vp, vs, ro, epsilon, delta, ss, rr, par):
# ------------------------------------------------------------
# source/receiver coordinates
Plot(
rr, 'window n1=2 | dd type=complex | window j2=10 | ' +
fdmod.cgraph('wantscalebar=y symbol=o plotcol=1', par))
Plot(
ss, 'window n1=2 | dd type=complex | window | ' +
fdmod.cgraph('wantscalebar=y symbol=x plotcol=2', par))
# ------------------------------------------------------------
# acoustic source
fdmod.wavelet('wava0', par['frq'], par)
Flow('wava', 'wava0', 'transp')
Result(
'wava', 'transp | window n1=500 |' +
fdmod.waveplot('title="Acoustic source"', par))
# ------------------------------------------------------------
# elastic source
fdmod.wavelet('hor0', par['frq'], par)
fdmod.wavelet('ver0', par['frq'], par)
Flow('hor', 'hor0', 'math output=input*%(hscale)g' % par)
Flow('ver', 'ver0', 'math output=input*%(vscale)g' % par)
Flow('wave0', 'ver hor', 'cat axis=2 space=n ${SOURCES[1:2]}')
Flow(
'wave', 'wave0', '''
transp plane=12 |
transp plane=23 |
transp plane=12
''')
Plot(
'ver', 'wave', 'window n2=1 f2=0 | window n1=500 |' +
fdmod.waveplot('title="Elastic vertical source"', par))
Plot(
'hor', 'wave', 'window n2=1 f2=1 | window n1=500 |' +
fdmod.waveplot('title="Elastic horizontal source"', par))
Result('wave', 'hor ver', 'Movie')
# ------------------------------------------------------------
Plot(vp, fdmod.cgrey('wantscalebar=y allpos=y bias=1.0 pclip=100', par))
Plot(vs, fdmod.cgrey('wantscalebar=y allpos=y bias=1.0 pclip=100', par))
Plot(ro, fdmod.cgrey('wantscalebar=y allpos=y bias=100000 pclip=100', par))
Plot(epsilon,
fdmod.cgrey('wantscalebar=y allpos=y pclip=100', par))
Plot(delta,
fdmod.cgrey('wantscalebar=y allpos=y pclip=100', par))
Result(vp, [vp, ss, rr], 'Overlay')
Result(vs, [vs, ss, rr], 'Overlay')
Result(ro, [ro, ss, rr], 'Overlay')
Result(epsilon, [epsilon, ss, rr], 'Overlay')
Result(delta, [delta, ss, rr], 'Overlay')
fdmod.anisotropic('cc', 'vp', 'vs', 'ro', 'epsilon', 'delta', par)
# ------------------------------------------------------------
# acoustic modeling
amodel('da', 'wa', 'wava', vp, ro, ss, rr, '', par)
Flow(
'waw', 'wa', '''
window min1=%g max1=%g min2=%g max2=%g |
scale axis=123
''' % (par['zmin'], par['zmax'], par['xmin'], par['xmax']))
Result('wa', fdmod.wgrey('pclip=99 title="Acoustic wavefield"', par))
Result(
'da',
'transp | window f1=%(kt)d | put o1=%(ot)g | pad end1=%(kt)d |' % par +
fdmod.dgrey('pclip=99 title="Acoustic data" grid=y', par))
# elastic modeling
emodel('de', 'we', 'wave', 'cc', ro, ss, rr, 'ssou=%(ssou)s opot=n' % par,
par)
for i in range(2):
Flow(
'we' + str(i + 1), 'we', '''
window n3=1 f3=%d |
window min1=%g max1=%g min2=%g max2=%g |
scale axis=123
''' % (i, par['zmin'], par['zmax'], par['xmin'], par['xmax']))
Result('we' + str(i + 1),
fdmod.wgrey('title=u%s pclip=99' % str(i + 1), par))
Result(
'de' + str(i + 1), 'de', '''
window n2=1 f2=%d |
transp |
window f1=%d | put o1=%g | pad end1=%d |
''' % (i, par['kt'], par['ot'], par['kt']) +
fdmod.dgrey('title=u%s pclip=99 grid=y' % str(i + 1), par))
Flow('weall', 'we1 we2', 'cat axis=1 space=n ${SOURCES[1]}')
Result(
'weall', '''
grey title="Elastic Wavefields" wantaxis=y screenratio=%f screenht=8
gainpanel=a pclip=99
grid1=y grid2=y g1num=0.25 g2num=0.25
''' % (2 * par['ratio']))
Flow('wall', 'waw we1 we2', 'cat axis=1 space=n ${SOURCES[1:3]}')
Result(
'wall', '''
grey title="" wantaxis=y screenratio=%f screenht=10
gainpanel=a pclip=99
grid1=y grid2=y g1num=0.1 g2num=0.1
''' % (3 * par['ratio']))
# wavefield movie frames
for j in range(0, par['nt'] / par['jsnap'], 1):
fdmod.wframe('wa-' + str(j), 'wa', j, 'pclip=99.9', par)
fdmod.wframe('we1-' + str(j), 'we1', j, 'pclip=99.9', par)
fdmod.wframe('we2-' + str(j), 'we2', j, 'pclip=99.9', par)
