def artm(imag, sdat, rdat, velo, dens, sacq, racq, iacq, custom, par):
swfl = imag + "_us" # source wavefield
rwfl = imag + "_ur" # receiver wavefield
sout = imag + "_ds" # source data (not the input sdat!)
rout = imag + "_dr" # receiver data (not the input rdat!)
# source wavefield (z,x,t)
fdmod.awefd(sout, swfl, sdat, velo, dens, sacq, iacq, custom, par)
# receiver wavefield (z,x,t)
tdat = imag + "_tds"
tout = imag + "_tdr"
temp = imag + "_tmp"
Flow(tdat, rdat, "reverse which=2 opt=i verb=y")
fdmod.awefd(tout, rwfl, tdat, velo, dens, racq, iacq, custom, par)
Flow(rout, tout, "reverse which=2 opt=i verb=y")
# conventional (cross-correlation zero-lag) imaging condition
Flow(temp, [sout, rout], "add ${SOURCES[1]} mode=p|stack axis=2")
Flow(
imag,
temp,
"""
put
n1=%d o1=%g d1=%g
n2=%d o2=%g d2=%g
"""
% (par["nqz"], par["oqz"], par["dqz"], par["nqx"], par["oqx"], par["dqx"]),
)
def artm(imag, sdat, rdat, velo, dens, sacq, racq, iacq, custom, par):
swfl = imag + '_us' # source wavefield
rwfl = imag + '_ur' # receiver wavefield
sout = imag + '_ds' # source data (not the input sdat!)
rout = imag + '_dr' # receiver data (not the input rdat!)
# source wavefield (z,x,t)
fdmod.awefd(sout, swfl, sdat, velo, dens, sacq, iacq, custom, par)
# receiver wavefield (z,x,t)
tdat = imag + '_tds'
tout = imag + '_tdr'
temp = imag + '_tmp'
Flow(tdat, rdat, 'reverse which=2 opt=i verb=y')
fdmod.awefd(tout, rwfl, tdat, velo, dens, racq, iacq, custom, par)
Flow(rout, tout, 'reverse which=2 opt=i verb=y')
# conventional (cross-correlation zero-lag) imaging condition
Flow(temp, [sout, rout], 'add ${SOURCES[1]} mode=p|stack axis=2')
Flow(
imag, temp, '''
put
n1=%d o1=%g d1=%g
n2=%d o2=%g d2=%g
''' % (par['nqz'], par['oqz'], par['dqz'], par['nqx'], par['oqx'],
par['dqx']))
def artm(imag, sdat, rdat, velo, dens, sacq, racq, iacq, custom, par):
swfl = imag + '_us' # source wavefield
rwfl = imag + '_ur' # receiver wavefield
twfl = imag + '_ut' # temp wavefield
sout = imag + '_ds' # source data (not the input sdat!)
rout = imag + '_dr' # receiver data (not the input rdat!)
iwindow = ' ' + \
'''
nqz=%(nqz)d oqz=%(oqz)g
nqx=%(nqx)d oqx=%(oqx)g
jsnap=%(jdata)d jdata=%(jdata)d
''' % par + ' '
# source wavefield (z,x,t)
fdmod.awefd(sout, swfl, sdat, velo, dens, sacq, iacq, custom + iwindow,
par)
# receiver wavefield (z,x,t)
tdat = imag + '_tds'
Flow(tdat, rdat, 'reverse which=2 opt=i verb=y')
fdmod.awefd(rout, twfl, tdat, velo, dens, racq, iacq, custom + iwindow,
par)
Flow(rwfl, twfl, 'reverse which=4 opt=i verb=y')
# conventional (cross-correlation zero-lag) imaging condition
Flow(imag, [swfl, rwfl], 'xcor2d uu=${SOURCES[1]} axis=3 verb=y nbuf=100')
def fwiker(ker,dts,ss,dtr,rr,vel,den,custom,par):
fdmod.awefd(ker+'_SD',ker+'_SW',dts,vel,den,ss,rr,custom+iwindow(par),par)
Flow(dtr+'_R',dtr,'reverse which=2 opt=i verb=y')
fdmod.awefd(ker+'_RD',ker+'_RW',dtr+'_R',vel,den,rr,ss,custom+iwindow(par),par)
cic(ker,ker+'_SW',ker+'_RW','',par,isreversed=0)
def fwiker(ker, dts, ss, dtr, rr, vel, den, custom, par):
fdmod.awefd(ker + '_SD', ker + '_SW', dts, vel, den, ss, rr,
custom + iwindow(par), par)
Flow(dtr + '_R', dtr, 'reverse which=2 opt=i verb=y')
fdmod.awefd(ker + '_RD', ker + '_RW', dtr + '_R', vel, den, rr, ss,
custom + iwindow(par), par)
cic(ker, ker + '_SW', ker + '_RW', '', par, isreversed=0)
def aimage(cic,iic,
dat,wav,vel,den,sou,rec,ico,par):
iwindow = ' ' + \
'''
nqz=%(nqz)d oqz=%(oqz)g
nqx=%(nqx)d oqx=%(oqx)g
jsnap=%(jdata)d jdata=%(jdata)d
''' % par + ' '
# ------------------------------------------------------------
# source wavefield
fdmod.awefd(dat+'-'+vel+'-for',
dat+'-'+vel+'-sou',
wav,
vel,den,sou,rec,iwindow,par)
# ------------------------------------------------------------
# receiver wavefield
Flow(dat+'-rev',dat,'reverse which=2 opt=i verb=y' % par)
fdmod.awefd(dat+'-'+vel+'-bck',
dat+'-'+vel+'-rwf',
dat+'-rev',
vel,den,
rec,rec,iwindow,par)
Flow(dat+'-'+vel+'-rec',
dat+'-'+vel+'-rwf',
'''
reverse which=4 opt=i verb=y
''' )
# compute assymptotic Wigner distribution
Flow(dat+'-'+vel+'-wig',
dat+'-'+vel+'-rec',
'wdf verb=y nh1=%(nhz)d nh2=%(nhx)d nh3=%(nht)d' % par)
# ------------------------------------------------------------
# imaging condition
Flow(cic,[dat+'-'+vel+'-sou',dat+'-'+vel+'-rec'],
'xcor2d uu=${SOURCES[1]} verb=y nbuf=100 axis=3')
Flow(iic,[dat+'-'+vel+'-sou',dat+'-'+vel+'-wig'],
'xcor2d uu=${SOURCES[1]} verb=y nbuf=100 axis=3')
# ------------------------------------------------------------
# WDF on image
Flow(cic+'-wdf',cic,
'scale axis=123 | wdf verb=y nh1=%(nhz)d nh2=%(nhx)d' % par)
for img in ([cic,iic,cic+'-wdf']):
Plot(img,fdmod.cgrey('pclip=100',par))
Result( img,[img,rec,sou],'Overlay')
Result('win'+img,img,
fdmod.cgrey('pclip=100 min1=%g max1=%g min2=%g max2=%g screenratio=%g screenht=%g wantaxis=y' %
(par['wzmin'],par['wzmax'],par['wxmin'],par['wxmax'],par['wratio'],par['wheight']),par))
def migration(dat,vel,den,ss,rr,qq,uuu,wig,cic,iic,par):
Result(dat,
'''
reverse which=2 opt=i | window f2=%(tpad)d |
put d1=1 o2=%(ot)g |
grey title=""
label1="Receiver #" unit1="" label2="Time" unit2="s"
screenratio=0.3 screenht=4
labelsz=5 labelfat=3 %(labelattr)s
'''% par)
fdmod.awefd(uuu+'-out',
uuu+'-bck',
dat,
vel,
den,
ss,
rr,
'free=y jsnap=1' + fdmod.qqbox2d(par),par)
Flow(uuu,
uuu+'-bck',
'''
window n3=%d f3=%d |
put o3=%g label3=t unit3=s
''' % (2*par['twin'],
par['nt']-par['tpad']-par['twin'],
-par['twin']*par['dt']))
# CIC
Flow(cic,uuu,
'window n3=1 f3=%(twin)d' % par)
# IIC
Flow(wig,uuu,
'wigner verb=y nh1=%(nhz)d nh2=%(nhx)d nh3=%(nht)d' %par)
Flow(iic,wig,
'window n3=1 f3=%(twin)d' %par)
for k in ([uuu,wig]):
wflplot(k,'winss',par)
for k in ([cic,iic]):
# image
Plot( k,fdmod.cgrey('pclip=99.99',par))
Result(k,[k,ss],'Overlay')
# image (window)
Plot( 'win'+k,k,wingrey('pclip=99.99',par))
Result('win'+k,['win'+k,'winss'],'Overlay')
# slope decomposition
slope(k+'-ssk',k,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 modeling(wav, vel, den, ss, rr, qq, dat, wfl, par):
fdmod.awefd(dat + '-tmp', wfl, wav, vel, den, ss, rr, 'free=y', par)
Flow(dat, dat + '-tmp',
'window f2=%(kt)d | pad end2=%(kt)d | put o2=%(ot)g' % par)
# wavefield movie
fdmod.wom(wfl + 'om', wfl, vel, 4.0, par)
Plot(wfl + 'om', fdmod.wgrey('pclip=99', par), view=1)
for f in range(0, par['nt'] / par['jsnap'], 2):
tag = "-%02d" % f
fdmod.wframe(wfl + 'om-' + tag, wfl + 'om', f, 'pclip=99', par)
Result(wfl + tag, [wfl + 'om-' + tag, ss, rr, qq], 'Overlay')
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 aimage(cic, iic, dat, wav, vel, den, sou, rec, ico, par):
iwindow = ' ' + \
'''
nqz=%(nqz)d oqz=%(oqz)g
nqx=%(nqx)d oqx=%(oqx)g
jsnap=%(jdata)d jdata=%(jdata)d
''' % par + ' '
# ------------------------------------------------------------
# source wavefield
fdmod.awefd(dat + '-' + vel + '-for', dat + '-' + vel + '-sou', wav, vel,
den, sou, rec, iwindow, par)
# ------------------------------------------------------------
# receiver wavefield
Flow(dat + '-rev', dat, 'reverse which=2 opt=i verb=y' % par)
fdmod.awefd(dat + '-' + vel + '-bck', dat + '-' + vel + '-rwf',
dat + '-rev', vel, den, rec, rec, iwindow, par)
Flow(dat + '-' + vel + '-rec', dat + '-' + vel + '-rwf', '''
reverse which=4 opt=i verb=y
''')
# compute assymptotic Wigner distribution
Flow(dat + '-' + vel + '-wig', dat + '-' + vel + '-rec',
'wdf verb=y nh1=%(nhz)d nh2=%(nhx)d nh3=%(nht)d' % par)
# ------------------------------------------------------------
# imaging condition
Flow(cic, [dat + '-' + vel + '-sou', dat + '-' + vel + '-rec'],
'xcor2d uu=${SOURCES[1]} verb=y nbuf=100 axis=3')
Flow(iic, [dat + '-' + vel + '-sou', dat + '-' + vel + '-wig'],
'xcor2d uu=${SOURCES[1]} verb=y nbuf=100 axis=3')
# ------------------------------------------------------------
# WDF on image
Flow(cic + '-wdf', cic,
'scale axis=123 | wdf verb=y nh1=%(nhz)d nh2=%(nhx)d' % par)
for img in ([cic, iic, cic + '-wdf']):
Plot(img, fdmod.cgrey('pclip=100', par))
Result(img, [img, rec, sou], 'Overlay')
Result(
'win' + img, img,
fdmod.cgrey(
'pclip=100 min1=%g max1=%g min2=%g max2=%g screenratio=%g screenht=%g wantaxis=y'
% (par['wzmin'], par['wzmax'], par['wxmin'], par['wxmax'],
par['wratio'], par['wheight']), par))
def pimage(cic,iic,
dat,vel,den,rec,ico,par):
# reverse data
Flow(dat+'-rev',dat,'reverse which=2 opt=i verb=y | pad end2=%(tpad)d' % par)
iwindow = ' ' + \
'''
nqz=%(nqz)d oqz=%(oqz)g
nqx=%(nqx)d oqx=%(oqx)g
jsnap=%(jdata)d jdata=%(jdata)d
''' % par + ' '
# backpropagate
fdmod.awefd(dat+'-'+vel+'-bck',
dat+'-'+vel+'-wfl',
dat+'-rev',
vel,den,
rec,rec,iwindow,par)
# cut wavefield around t=0
Flow(dat+'-'+vel+'-cut',
dat+'-'+vel+'-wfl',
'''
window n3=%d f3=%g |
reverse which=4 opt=i verb=y |
put o3=%g label3=t unit3=s
''' % (2*par['tcut']+1,
par['nt']-par['kt']-par['tcut'],
-par['tcut']*par['dt']))
# compute WDF
Flow(dat+'-'+vel+'-wig',dat+'-'+vel+'-cut',
'wdf verb=y nh1=%(nhz)d nh2=%(nhx)d nh3=%(nht)d' % par)
# Result(dat+'-'+vel+'-wig','grey gainpanel=a')
# imaging condition
Flow(cic,dat+'-'+vel+'-cut',
'window n3=1 f3=%d' % par['tcut'])
Flow(iic,dat+'-'+vel+'-wig',
'window n3=1 f3=%d' % par['tcut'])
for img in ([cic,iic]):
Plot(img,fdmod.cgrey('pclip=100',par))
Result( img,[img,rec],'Overlay')
Result('win'+img,img,
fdmod.cgrey('min1=%g max1=%g min2=%g max2=%g screenratio=%g wantaxis=y' %
(par['wzmin'],par['wzmax'],par['wxmin'],par['wxmax'],par['wratio']),par) )
def pimage(cic, iic, dat, vel, den, rec, ico, par):
# reverse data
Flow(dat + '-rev', dat,
'reverse which=2 opt=i verb=y | pad end2=%(tpad)d' % par)
iwindow = ' ' + \
'''
nqz=%(nqz)d oqz=%(oqz)g
nqx=%(nqx)d oqx=%(oqx)g
jsnap=%(jdata)d jdata=%(jdata)d
''' % par + ' '
# backpropagate
fdmod.awefd(dat + '-' + vel + '-bck', dat + '-' + vel + '-wfl',
dat + '-rev', vel, den, rec, rec, iwindow, par)
# cut wavefield around t=0
Flow(
dat + '-' + vel + '-cut', dat + '-' + vel + '-wfl', '''
window n3=%d f3=%g |
reverse which=4 opt=i verb=y |
put o3=%g label3=t unit3=s
''' % (2 * par['tcut'] + 1, par['nt'] - par['kt'] - par['tcut'],
-par['tcut'] * par['dt']))
# compute WDF
Flow(dat + '-' + vel + '-wig', dat + '-' + vel + '-cut',
'wdf verb=y nh1=%(nhz)d nh2=%(nhx)d nh3=%(nht)d' % par)
# Result(dat+'-'+vel+'-wig','grey gainpanel=a')
# imaging condition
Flow(cic, dat + '-' + vel + '-cut', 'window n3=1 f3=%d' % par['tcut'])
Flow(iic, dat + '-' + vel + '-wig', 'window n3=1 f3=%d' % par['tcut'])
for img in ([cic, iic]):
Plot(img, fdmod.cgrey('pclip=100', par))
Result(img, [img, rec], 'Overlay')
Result(
'win' + img, img,
fdmod.cgrey(
'min1=%g max1=%g min2=%g max2=%g screenratio=%g wantaxis=y' %
(par['wzmin'], par['wzmax'], par['wxmin'], par['wxmax'],
par['wratio']), par))
def migration(dat, vel, den, ss, rr, qq, uuu, wig, cic, iic, par):
Result(
dat, '''
reverse which=2 opt=i | window f2=%(tpad)d |
put d1=1 o2=%(ot)g |
grey title=""
label1="Receiver #" unit1="" label2="Time" unit2="s"
screenratio=0.3 screenht=4
labelsz=5 labelfat=3 %(labelattr)s
''' % par)
fdmod.awefd(uuu + '-out', uuu + '-bck', dat, vel, den, ss, rr,
'free=y jsnap=1' + fdmod.qqbox2d(par), par)
Flow(
uuu, uuu + '-bck', '''
window n3=%d f3=%d |
put o3=%g label3=t unit3=s
''' % (2 * par['twin'], par['nt'] - par['tpad'] - par['twin'],
-par['twin'] * par['dt']))
# CIC
Flow(cic, uuu, 'window n3=1 f3=%(twin)d' % par)
# IIC
Flow(wig, uuu, 'wigner verb=y nh1=%(nhz)d nh2=%(nhx)d nh3=%(nht)d' % par)
Flow(iic, wig, 'window n3=1 f3=%(twin)d' % par)
for k in ([uuu, wig]):
wflplot(k, 'winss', par)
for k in ([cic, iic]):
# image
Plot(k, fdmod.cgrey('pclip=99.99', par))
Result(k, [k, ss], 'Overlay')
# image (window)
Plot('win' + k, k, wingrey('pclip=99.99', par))
Result('win' + k, ['win' + k, 'winss'], 'Overlay')
# slope decomposition
slope(k + '-ssk', k, par)
def modeling(wav,vel,den,ss,rr,qq,dat,wfl,par):
fdmod.awefd(dat+'-tmp',
wfl,
wav,
vel,
den,
ss,rr,'free=y',par)
Flow(dat,
dat+'-tmp',
'window f2=%(kt)d | pad end2=%(kt)d | put o2=%(ot)g' %par)
# wavefield movie
fdmod.wom(wfl+'om',wfl,vel,4.0,par)
Plot( wfl+'om',
fdmod.wgrey('pclip=99',par),view=1)
for f in range(0,par['nt']/par['jsnap'],2):
tag = "-%02d"%f
fdmod.wframe( wfl+'om-'+tag,wfl+'om',f,'pclip=99',par)
Result(wfl+tag,[wfl+'om-'+tag,ss,rr,qq],'Overlay')
def wdfic(cii, uxx, uyy, wxx, wyy, dat, vel, den, rec, ico, par):
# ------------------------------------------------------------
par['jrec'] = 5
par['nrec'] = 320
par['orec'] = 0
par['jrec'] = 10
par['nrec'] = 160
receivers = range(par['orec'], par['orec'] + par['nrec'] * par['jrec'],
par['jrec'])
# ------------------------------------------------------------
for k in receivers:
ktag = "-%04d" % k
# source coordinates
Flow(rec + ktag, rec, 'window n2=1 f2=%g' % k)
Plot(rec + ktag, 'window |' + fdmod.rrplot('', par))
# velocity (overlay)
Plot(vel + ktag, [vel, rec + ktag, ico], 'Overlay')
allvxx = map(lambda x: vel + '-%04d' % x, receivers)
Plot('allvxx', allvxx, 'Movie')
# ------------------------------------------------------------
iwindow = ' ' + \
'''
nqz=%(nqz)d oqz=%(oqz)g
nqx=%(nqx)d oqx=%(oqx)g
jsnap=%(jdata)d jdata=%(jdata)d
''' % par + ' '
# ------------------------------------------------------------
# ------------------------------------------------------------
# image all traces at once
# wavefield
# z-x-t
Flow(
uyy, dat + '-' + vel + '-wfl', '''
window n3=%d f3=%g |
reverse which=4 opt=i verb=y |
put o3=%g label3=t unit3=s
''' % (2 * par['tcut'] + 1, par['nt'] - par['kt'] - par['tcut'],
-par['tcut'] * par['dt']))
Result(uyy, 'byte gainpanel=a pclip=100 |' + igrey('', par))
# WDF over y
# z-x-t
Flow(wyy, uyy, 'wdf verb=y nh1=%(nhz)d nh2=%(nhx)d nh3=%(nht)d' % par)
Result(wyy, 'byte gainpanel=a pclip=100 |' + igrey('', par))
# ------------------------------------------------------------
# ------------------------------------------------------------
# image each trace separately
for k in receivers:
ktag = "-%04d" % k
# data trace
Flow(dat + ktag, dat, 'window squeeze=n n1=1 f1=%g' % k)
Flow(dat + ktag + '-rev', dat + ktag,
'reverse which=2 opt=i verb=y | pad end2=%(tpad)d' % par)
fdmod.awefd(dat + ktag + '-bck', dat + ktag + '-wfl',
dat + ktag + '-rev', vel, den, rec + ktag, rec + ktag,
iwindow, par)
# z-x-t
Flow(
uyy + ktag, dat + ktag + '-wfl', '''
window n3=%d f3=%g |
reverse which=4 opt=i verb=y |
put o3=%g label3=t unit3=s
''' % (2 * par['tcut'] + 1, par['nt'] - par['kt'] - par['tcut'],
-par['tcut'] * par['dt']))
Result(uyy + ktag, 'byte gainpanel=a pclip=100 |' + igrey('', par))
# z*x-.-t
Flow(uxx + ktag, uyy + ktag,
'put n1=%d n2=1' % (par['nqz'] * par['nqx']))
# collect traces at the image point for all receiver locations
# wavefield
# z*x-xs-t
Flow(uxx + '-all', map(lambda x: uxx + '-%04d' % x, receivers),
'cat axis=2 space=n ${SOURCES[1:%d]}' % (par['nrec']))
# WDF over x
# z*x-xs-t
Flow(wxx + '-all', uxx + '-all', '''
wdf verb=y nh1=0 nh2=100 nh3=%(nht)d
''' % par)
for k in (uxx, wxx):
# all traces around the target
# z-x-t
Flow(
k + '-cub', k + '-all', '''
stack |
transp plane=23 |
put
n1=%d o1=%g d1=%g label1=z unit1=''
n2=%d o2=%g d2=%g label2=x unit2=''
''' % (par['nqz'], par['oqz'], par['dqz'], par['nqx'], par['oqx'],
par['dqx']))
# one trace at the target
# xs-t
Flow(k, k + '-all',
'window n1=1 f1=%d | transp' % (par['nqz'] * par['nqx'] / 2))
Result(
k, '''
put o2=%g d2=%g |
grey title="" pclip=98 labelsz=6 labelfat=2
label1=%s unit1=%s
label2=%s unit2=%s
screenratio=0.3 screenht=4
%s
''' %
(par['ox'] + par['orec'] * par['dx'], par['jrec'] * par['dx'],
par['lt'], par['ut'], par['lx'], par['ux'], par['labelattr']))
# z-x
Flow(cii, wxx + '-cub', 'window n3=1 f3=%d' % par['tcut'])
Plot(cii, fdmod.cgrey('pclip=100', par))
Result(cii, [cii, 'rr'], 'Overlay')
Result(
'win' + cii, cii,
fdmod.cgrey(
'min1=%g max1=%g min2=%g max2=%g screenratio=%g wantaxis=y' %
(par['wzmin'], par['wzmax'], par['wxmin'], par['wxmax'],
par['wratio']), par))
def wdfic(cii,
uxx,uyy,
wxx,wyy,
dat,vel,den,rec,ico,par):
# ------------------------------------------------------------
par['jrec']=5
par['nrec']=320
par['orec']=0
par['jrec']=10
par['nrec']=160
receivers = range(par['orec'],par['orec']+par['nrec']*par['jrec'],par['jrec'])
# ------------------------------------------------------------
for k in receivers:
ktag = "-%04d" % k
# source coordinates
Flow(rec+ktag,rec,'window n2=1 f2=%g' % k )
Plot(rec+ktag, 'window |' + fdmod.rrplot('',par))
# velocity (overlay)
Plot(vel+ktag,[vel,rec+ktag,ico],'Overlay')
allvxx = map(lambda x: vel+'-%04d' % x,receivers)
Plot('allvxx',allvxx,'Movie')
# ------------------------------------------------------------
iwindow = ' ' + \
'''
nqz=%(nqz)d oqz=%(oqz)g
nqx=%(nqx)d oqx=%(oqx)g
jsnap=%(jdata)d jdata=%(jdata)d
''' % par + ' '
# ------------------------------------------------------------
# ------------------------------------------------------------
# image all traces at once
# wavefield
# z-x-t
Flow(uyy,
dat+'-'+vel+'-wfl',
'''
window n3=%d f3=%g |
reverse which=4 opt=i verb=y |
put o3=%g label3=t unit3=s
''' % (2*par['tcut']+1,
par['nt']-par['kt']-par['tcut'],
-par['tcut']*par['dt']))
Result(uyy,'byte gainpanel=a pclip=100 |' + igrey('',par))
# WDF over y
# z-x-t
Flow(wyy,
uyy,
'wdf verb=y nh1=%(nhz)d nh2=%(nhx)d nh3=%(nht)d' % par)
Result(wyy,'byte gainpanel=a pclip=100 |' + igrey('',par))
# ------------------------------------------------------------
# ------------------------------------------------------------
# image each trace separately
for k in receivers:
ktag = "-%04d" % k
# data trace
Flow(dat+ktag,
dat,'window squeeze=n n1=1 f1=%g' % k )
Flow(dat+ktag+'-rev',
dat+ktag,'reverse which=2 opt=i verb=y | pad end2=%(tpad)d' % par)
fdmod.awefd(dat+ktag+'-bck',
dat+ktag+'-wfl',
dat+ktag+'-rev',
vel,den,
rec+ktag,rec+ktag,iwindow,par)
# z-x-t
Flow(uyy+ktag,
dat+ktag+'-wfl',
'''
window n3=%d f3=%g |
reverse which=4 opt=i verb=y |
put o3=%g label3=t unit3=s
''' % (2*par['tcut']+1,
par['nt']-par['kt']-par['tcut'],
-par['tcut']*par['dt']))
Result(uyy+ktag,'byte gainpanel=a pclip=100 |' + igrey('',par))
# z*x-.-t
Flow(uxx+ktag,
uyy+ktag,
'put n1=%d n2=1' % (par['nqz']*par['nqx']) )
# collect traces at the image point for all receiver locations
# wavefield
# z*x-xs-t
Flow(uxx+'-all',
map(lambda x: uxx+'-%04d' % x,receivers),
'cat axis=2 space=n ${SOURCES[1:%d]}' % (par['nrec']))
# WDF over x
# z*x-xs-t
Flow(wxx+'-all',
uxx+'-all',
'''
wdf verb=y nh1=0 nh2=100 nh3=%(nht)d
''' % par)
for k in (uxx,wxx):
# all traces around the target
# z-x-t
Flow(k+'-cub',
k+'-all',
'''
stack |
transp plane=23 |
put
n1=%d o1=%g d1=%g label1=z unit1=''
n2=%d o2=%g d2=%g label2=x unit2=''
''' % (par['nqz'],par['oqz'],par['dqz'],
par['nqx'],par['oqx'],par['dqx']))
# one trace at the target
# xs-t
Flow(k,
k+'-all',
'window n1=1 f1=%d | transp' % (par['nqz']*par['nqx']/2) )
Result(k,
'''
put o2=%g d2=%g |
grey title="" pclip=98 labelsz=6 labelfat=2
label1=%s unit1=%s
label2=%s unit2=%s
screenratio=0.3 screenht=4
%s
''' % (par['ox']+par['orec']*par['dx'],
par['jrec']*par['dx'],
par['lt'],par['ut'],
par['lx'],par['ux'],
par['labelattr']) )
# z-x
Flow(cii,
wxx+'-cub',
'window n3=1 f3=%d' % par['tcut'])
Plot(cii,fdmod.cgrey('pclip=100',par))
Result(cii,[cii,'rr'],'Overlay')
Result('win'+cii,
cii,
fdmod.cgrey('min1=%g max1=%g min2=%g max2=%g screenratio=%g wantaxis=y' %
(par['wzmin'],par['wzmax'],par['wxmin'],par['wxmax'],par['wratio']),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):
# 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')