Program sfboxsmooth | Multi-dimensional smoothing with boxes. 
[SYNOPSIS]
sfboxsmooth < in.rsf > out.rsf repeat=1 rect#=(1,1,...)
[PARAMETERS]
int     | rect# | =(1,1,...) |   | 	smoothing radius on #-th axis 
int     | repeat | =1 |   | 	repeat filtering several times 
[DIRECTORY]
system/generic
