Program sfmtm | 1-D and 2-D modified-trimmed-mean (MTM) filtering. 
[SYNOPSIS]
sfmtm < in.rsf > out.rsf nfw1= nfw2=1 pclip= boundary=n verb=n type=
[COMMENTS]
Also called range-trimmed-mean filter
1D filter (nfw2=1); 2D filter (otherwise)
median filter (pclip=0.); mean filter (pclip=100.)

[PARAMETERS]
bool    | boundary | =n |  [y/n] | 	if y, boundary is data, whereas zero
int     | nfw1 | = |   | 	filter-window length in n1 direction (positive and odd integer)
int     | nfw2 | =1 |   | 	filter-window length in n2 direction (default=1, 1D case)
float   | pclip | = |   | 	0.0 <= pclip <= 100.0: median filter (pclip=0.); mean filter (pclip=100.) 
string  | type | = |   | 	[rectangular,cross] 2-D window type, the default is rectangular  
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/yliu
