Go to the list of seismic processes.
Go to SIOSEIS introduction.
#! /bin/csh
if( $#argv < 1 ) then
echo "Usage: stack line-number"
exit 1
endif
set LINENO = $1
sioseis << eof
procs segdin geom header prout gather nmo stack diskoa end
segdin
ffilen 99999 # take all shots (this is the preset!)
ftr 121 ltr 480 trinc 2 fcset 1 lcset 1
stime 4 secs 4.0
decimf 2
offline yes # eject after the rewind after EOT
iunit 11 end
end
geom
type 2 # increment the shot loaction based on the shot number
fs 1 ls 999999 # all shot have the same parameters (preset)
gxp 480 -181.65 # RESET the closest group only.
ggx -12.5 # Used to extrapolate gxp!
! dfls 37.5 dbrps 6.25 smear 6.25
dfls 37.5 dbrps 12.5 smear 12.5
rpadd 1000
end
end
gather
maxtrs 90 maxrps 500 end
end
nmo
addwb yes vtp 1500 0 1510 .21 1520 .45 15
end
header
fno 0 lno 999999 ftr 0 ltr 99999
r50 = l16 / 750.
end
end
mute
addwb yes xtp 2000 -.1 4000 .4 6000 .9 end
end
prout
# print the stacked trace number just so the light blink!
fno 0 lno 99999 ftr 479 ltr 480 end
end
diskoa
opath /ldata/realtime/stacked/line.$LINENO end
end
end
eof
Go to the list of seismic processes.
Go to SIOSEIS introduction.