Synopsis
		sfintbin4 < in.rsf > out.rsf xkey= ykey= skey= rkey= xmin= xmax= ymin= ymax= smin= smax= rmin= rmax= dx=1 dy=1 ds=1 dr=1 head= xk= yk= sk= rk= fold=

Parameters
		int dr=1   int ds=1   int dx=1   int dy=1   string fold= output fold file   string head= header file   string rk= r key name   int rkey= r key number (if no rk), default is gwdep   int rmax= r maximum   int rmin= r minimum   string sk= s key name   int skey= s key number (if no sk), default is swdep   int smax= s maximum   int smin= s minimum   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