Program sfepfad | ADaptive Eage Preserving Filter 
[SYNOPSIS]
sfepfad < in.rsf > out.rsf rect1=0 rect2=0 rect3=0
[PARAMETERS]
int     | rect1 | =0 |   | 	
int     | rect2 | =0 |   | 	
int     | rect3 | =0 |   | 	smoothing half window on the #-th dimension 
[DIRECTORY]
user/chen
