Program sfpyran | Add random noise using python.
[SYNOPSIS]
sfpyran < pi.rsf > po.rsf axis=2 range=1 seed=n2 type=y mean=0 var=1 rep=n
[PARAMETERS]
int     | axis | =2 |   | 	
float   | mean | =0 |   | 	noise mean (default=0)
float   | range | =1 |   | 	noise range (default=1)
bool    | rep | =n |  [y/n] | 	if y, replace data with noise
int     | seed | =n2 |   | 	random seed (default=n2)
string  | type | =y |   | 	noise type, y: normal, n: uniform
float   | var | =1 |   | 	noise variance (default=1)
[DIRECTORY]
user/chenyk
