Program sft2diter | Time-to-depth conversion (linear operator) 
[SYNOPSIS]
sft2diter < in.rsf > out.rsf s0=is0.rsf t0=it0.rsf x0=ix0.rsf f0=if0.rsf mask=mask.rsf prec=prec.rsf dix=dix.rsf velocity=y adj=n shape=n eps=0.1 verb=n tol=1.e-6 cgiter=200 rect#=(1,1,...) what=
[PARAMETERS]
bool    | adj | =n |  [y/n] | 	adjoint flag 
int     | cgiter | =200 |   | 	number of CG iterations 
string  | dix | = |   | 	auxiliary input file name
float   | eps | =0.1 |   | 	regularization parameter 
string  | f0 | = |   | 	auxiliary input file name
string  | mask | = |   | 	auxiliary input file name
string  | prec | = |   | 	auxiliary input file name
int     | rect# | =(1,1,...) |   | 	smoothing radius on #-th axis 
string  | s0 | = |   | 	auxiliary input file name
bool    | shape | =n |  [y/n] | 	regularization (default Tikhnov) 
string  | t0 | = |   | 	auxiliary input file name
float   | tol | =1.e-6 |   | 	tolerance for shaping regularization 
bool    | velocity | =y |  [y/n] | 	y, inputs are velocity / n, slowness-squared 
bool    | verb | =n |  [y/n] | 	verbosity flag 
string  | what | = |   | 	what to compute (default inversion) 
string  | x0 | = |   | 	auxiliary input file name
[DIRECTORY]
user/llisiw
