sfkirmod (2.0-git)
index
system/seismic/Mkirmod.c
Kirchhoff 2-D/2.5-D modeling with analytical Green's functions.

 
Synopsis
        sfkirmod < modl.rsf > data.rsf curv=curv.rsf refl=refl.rsf picks=picks.rsf slopes=slopes.rsf lin=n adj=n absoff=n nt= dt=0.004 t0=0. ns=nx s0=x0 ds=dx nh=nx h0=0. dh=dx verb=n r0=1. r0=1. twod=n cmp=n freq=0.2/dt vel= gradx= gradz= velz= eta= refx= refz= vel2= gradx2= gradz2= rgrad= dip= type= type2=

October 2012 program of the month:
http://ahay.org/blog/2012/10/03/program-of-the-month-sfkirmod/

 
Parameters
       
 
bool absoff=n [y/n]
y - h0 is not in shot coordinate system
 
bool adj=n [y/n]
adjoint flag
 
bool cmp=n [y/n]
compute CMP instead of shot gathers
 
file curv=
auxiliary input file name
 
float dh=dx
offset increment
 
string dip=
reflector dip file
 
float ds=dx
shot/midpoint increment
 
float dt=0.004
time sampling
 
float eta=
parameter for VTI anisotropy
 
float freq=0.2/dt
peak frequency for Ricker wavelet
 
float gradx=
horizontal velocity gradient
 
float gradx2=
converted velocity, horizontal gradient
 
float gradz=
vertical velocity gradient
 
float gradz2=
converted velocity, vertical gradient
 
float h0=0.
first offset
 
bool lin=n [y/n]
if linear operator
 
int nh=nx
number of offsets
 
int ns=nx
number of shots (midpoints if cmp=y)
 
int nt=
time samples
 
string picks=
auxiliary output file name
 
float r0=1.
normal reflectivity (if constant)
 
string refl=
auxiliary input file name
 
float refx=
reference x-coordinate for velocity
 
float refz=
reference z-coordinate for velocity
 
string rgrad=
AVO gradient file (B/A)
 
float s0=x0
first shot (midpoint if cmp=y)
 
string slopes=
auxiliary output file name
 
float t0=0.
time origin
 
bool twod=n [y/n]
2-D or 2.5-D
 
string type=
type of velocity, 'c': constant, 's': linear sloth, 'v': linear velocity, 'a': VTI anisotropy
 
string type2=
type of velocity for the converted (receiver side) branch
 
float vel=
velocity
 
float vel2=
converted velocity
 
float velz=
vertical velocity for VTI anisotropy
 
bool verb=n [y/n]
verbosity flag

 
Used In
       

 
GALLERY
        constant/gazdag
constant/kirch
constant/lowrank
constant/model
constant/oway
constant/stolt
constant/vc
french/vc
gradient/fakirmig
gradient/lowrank
gradient/model
gradient/oway
vofz/gazdag
vofz/kirch
vofz/lowrank
vofz/model
vofz/oway
vofz/stolt
vofz/vc

 
GEO384W
        hw3/synth
hw4/synth
hw5/hyper
hw6/hyper

 
RSF
        reprobook/exam3
reprobook/exam5
scons/rsf
su/rsfscales
su/rsftaup

 
SEP
        oc2/cup

 
SWAG
        anisogath/synth

 
TCCS
        crs/dome2
eikods/migration
nmodeblend/class
nmodeblend/synth
optapert/theo
ovc/psovc
ovc/toy
pi/simple-model
reversible/nscnmo
simistack/flat4
stackadcig/flat
svmf/class
time2depth2/vgrad
vscan/hw

 
UH
        avostack/synh
avostack/synl