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

July 2011 program of the month:
http://ahay.org/blog/2011/07/03/program-of-the-month-sfnoise/

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)   bool type=y [y/n] noise distribution, y: normal, n: uniform   float var= noise variance

Used In
		BEI          ft1/autocor   CHEN          test/xtime   CUP          rna2d/shot rna2d/simple rna3d/shot rna3d/sin   CWP          geo2009TTIModeSeparation/fold pept2011MicroearthquakeMonitoring/saf1 pept2011MicroearthquakeMonitoring/saf3   DATA          teapotdome/interp-model   GEE          lsq/puck mda/elita mda/geostat mda/morgan pch/signoi   GEO384H          hw5/pattern hw5/seabeam   GEO384S          hw0/local   GEO384W          hw3/synth hw4/synth   GEOSTATS          simulate/rfield simulate/simple spatial_stats/correlogram spatial_stats/covariance spatial_stats/gr_variogram spatial_stats/variogram   HANSUNG          cgg/syn   JLU          fspfint/curve fspfint/noise_curve fspfint/noise_qdome fspfint/qdome fspfint/sean fspfint/snr fxyspfdenoi/qdome gvdseisint/bei gvdseisint/ocmodel gvdseisint/vti lcfs/conq-noise lcfs/lcfest riesz/linefit riesz/sigmdenoi riesz/sigmoid txsopf/curvedmodel txsopf/model txyapf/curve txyapf/french txyapf/sigmoid txyspfint/curve txyspfint/field3 txyspfint/french vdseislet/nmo   MILANO          taupvel/synth   RSF          programming/cube reprobook/exam3 rsf/plot rsf/sfdots rsf/sfnoise rsf/sfwiggle rsf/unif3 school/clip_test school/complex school/single school2009/local school2015/local school2016/synth school2017/csem school2020/csem scons/rsf scons/rsfpy su/rsfdecon su/rsfplane tutorial2017/radon tutorial2017/synth tutorials/colormaps tutorials/cs tutorials/images tutorials/parameters tutorials/smoothing   SEP          bspl/bintest fmeiko/tri fractal/random geostat/dix geostat/miss lines/randline pefmult/haskell pefmult/mobil pefmult/syn plane/qint pwd/lomo pwd/signoi pyramid/pyramid sparse2/test spitz/sign super/tau texture/fft   SLIM          geo2008NewInsightsPareto/pareto slimUserManual/sffdct slimUserManual/sfsort slimUserManual/sfthr   SWAG          itime/syn   TCCS          anisodiff/simple anisodiff/simple3d apefint/misscurv apefint/missing apwd/trace asa/dipping asa/simple asa/simpleemd asa/tracesep atten/enerd atten/karman1 atten/spectra avo/avo avo/stat butterfly/synth2D-1-timer butterfly/synth2D-2 butterfly/synth2D-3 butterfly/synth2D-4 cs/sean cs/synth dbortho/hyper dealiase/coef dealiase/linear dealiase/synth dealiase/synth30Hz dealiase2/hypern deblend/linear deblend/synthcomplex deblend/synthhyper demulemd/haskell demulemd/mobil demulemd/syn diffr/fault diffr/gom dlchan/label dlchan/testing dlchan/thin dsd/conflict dsd/demo dsd/demo2 dsd/demo3.1perc dsd/field1 dsd/field2 dsd/sig dsrtomo/marm dtwaniso/dtw-example emdpf/dipfilter eseis/demo2 eseis/demo4 eseis/sparse fpwd/const fraclapl/marmq fwiseislet/blend fwiseislet/encoding-spar fwiseislet/encoding fwiseislet/noise-spar fwiseislet/noise fwiseislet/timedomain fwiseislet/wavelet halfthr/hyper halfthr/linear halfthr/sean intshape/fsyn intshape/sean lowrank/fio lpf/regr nar/mirko nmo3/azimuthtest nmodeblend/bei nmodeblend/class nmodeblend/simple nmodeblend/synth nmodeblend/timespace npm/hou npm/mirko npm/trace npm/vecta-emd oc3/fault oc3/french oc3/frenchint onestep/fio1d optapert/depthMig optapert/rightSigsbee ortho/orthocomplex ortho/orthocsimul ovc/psovc pcastack/synth phase/zero pi/bei pmig/mig probdif/noisy-synthetic probdif/synthetic probdif/toy pwshape/parihaka reversible/nscnmo scan3/noncwavg-1 seislet/diplet seislet/gath seislet/plane seislet/sin2 shape/lomo simistack/flat4 simistack/similarity simistack/simple sparse/sparse-experim-shaping stackadcig/flat stackadcig/simple strfilter/spray strsvd/complex strsvd/hyper svmf/bei svmf/class svmf/test svmf/testnoise svmf/timespatial svscan/bei svscan/beicmps svscan/class svscan/field svscan/simi svscan/simple svscan/synth synth/small-khuff synwav/gch1 timefreq/syn timelapse/long1 vc3/fracs vc3/threedim vscan/hw vscan/synth vscan/weight welllogs/synthetic-example   TUTORIAL          authors/data   UH          avostack/stack avostack/synh avostack/synl   XJTU          mcaseislet/interp test/fpocs2d test/fpocs3d test/interpseislet test/lsinterp2d test/mwni2d test/pocs5d   ZJU          diffrlrra/fault diffrlrra/synth optnoise/postack optnoise/slope q/simple q/var