sftkirmig (2.0-git)
index
user/seisinv/Mtkirmig.c
2-D Kirchhoff pre-stack time migration/demigration.

 
Synopsis
        sftkirmig < in.rsf vel=vel.rsf > out.rsf offset=offset.rsf ompchunk=1 ompnth=0 adj=y verb=n half=y amp=y ncdp=ncmp dcdp=dcmp cdp0=cmp0 ncmp=ncdp dcmp=dcdp cmp0=cdp0 antialias=1.0 apt=ncmp rho=1.-1./nt
The axes in the data are {time,cmp,offset}
The axes in the offset are {1,cmp,offset}
The axes in the image are {time,cdp,offset}

 
Parameters
       
 
bool adj=y [y/n]
yes: migration, no: modeling
 
bool amp=y [y/n]
if y, use amplitue factor
 
float antialias=1.0
antialiasing
 
float apt=ncmp
migration aperture
 
float cdp0=cmp0

 
float cmp0=cdp0

 
float dcdp=dcmp

 
float dcmp=dcdp

 
bool half=y [y/n]
if y, the third axis is half-offset instead of full offset
 
int ncdp=ncmp

 
int ncmp=ncdp

 
string offset=
auxiliary input file name
 
int ompchunk=1
OpenMP data chunk size
 
int ompnth=0
OpenMP available threads
 
float rho=1.-1./nt
Leaky integration constant
 
file vel=
auxiliary input file name
 
bool verb=n [y/n]
verbosity flag