Program sfintbin3 | 4-D data binning. 
[SYNOPSIS]
sfintbin3 < in.rsf > out.rsf xkey= ykey= zkey= xmin= xmax= ymin= ymax= zmin= zmax= head= xk= yk= zk= mask=
[COMMENTS]

if xkey < 0, the first axis indexes traces in a gather like cdpt.

[PARAMETERS]
string  | head | = |   | 	header file 
string  | mask | = |   | 	output mask file 
string  | xk | = |   | 	x key name 
int     | xkey | = |   | 	x key number (if no xk), default is fldr 
int     | xmax | = |   | 	x maximum 
int     | xmin | = |   | 	x minimum 
string  | yk | = |   | 	y key name 
int     | ykey | = |   | 	y key number (if no yk), default is iline 
int     | ymax | = |   | 	y maximum 
int     | ymin | = |   | 	y minimum 
string  | zk | = |   | 	z key name 
int     | zkey | = |   | 	z key number (if no zk), default is xline 
int     | zmax | = |   | 	z maximum 
int     | zmin | = |   | 	z minimum 
[DIRECTORY]
system/seismic
