Synopsis
		sfintbin < in.rsf > out.rsf xkey= ykey= xmin= xmax= ymin= ymax= head= xk= yk= mask=

The input is 2-D (n1 x ntr). The output is 3-D (n1 x n2 x n3), n2 and
n3 correspond to two selected keys from the header file.

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 tracf   int ymax= y maximum   int ymin= y minimum

Used In
		DATA          nankai/shots sigsbee/data2A sigsbee/fs2B sigsbee/nfs2B sigsbee/ptest sigsbee/pwemig sigsbee/wemig   JSG          avo/avo2 fpwd/teapot nmo3/mcelroy   RSF          su/rsflab15 usp/data