Synopsis
		sfnoise < in.rsf > out.rsf seed=time(NULL) type=y var= range= mean=0 rep=n

Parameters
		float mean=0 noise mean   float range= noise range (default=1)   bool rep=n [y/n] if y, replace data with noise   int seed=time(NULL) random seed   bool type=y [y/n] noise distribution, y: normal, n: uniform   float var= noise variance

Used In
		BEI          ft1/autocor   GEE          mda/morgan mda/geostat pch/signoi   GEO384W          hw4/dome   GEO391          hw5/seabeam hw6/pattern   GEOSTATS          simulate/rfield spatial_stats/variogram spatial_stats/covariance spatial_stats/correlogram spatial_stats/gr_variogram   JSG          atten/enerd atten/spectra atten/karman1 avo/stat avo/avo diffr/gom diffr/fault lpf/regr nmo3/azimuthtest simistack/flat4 simistack/simple simistack/similarity strfilter/spray timelapse/long1   RSF          rsf/unif3 rsf/sfdots rsf/sfwiggle school/local school/complex scons/rsf scons/rsfpy su/rsfplane   SEP          bspl/bintest plane/qint pwd/signoi pwd/lomo spitz/sign   SLIM          slimUserManual/sfsort slimUserManual/sfthr