sfnoise (3.0)
index
system/generic/Mnoise.c
Add random noise to the data.

 
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)
random seed
 
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
        geo2008InterferometricImagingCondition/circle
geo2008InterferometricImagingCondition/sact1
geo2009TTIModeSeparation/fold
pept2011MicroearthquakeMonitoring/saf1
pept2011MicroearthquakeMonitoring/saf3

 
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
        gvdseisint/bei
gvdseisint/ocmodel
gvdseisint/vti
riesz/linefit
riesz/sigmdenoi
riesz/sigmoid
txsopf/curvedmodel
txsopf/model
txyapf/curve
txyapf/french
txyapf/sigmoid
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
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
        apefint/misscurv
apefint/missing
atten/enerd
atten/karman1
atten/spectra
avo/avo
avo/stat
butterfly/synth2D-1-timer
butterfly/synth2D-2
butterfly/synth2D-3
butterfly/synth2D-4
dbortho/hyper
deblend/linear
deblend/synthcomplex
deblend/synthhyper
diffr/fault
diffr/gom
dsd/conflict
dsd/demo
dsd/demo2
dsd/demo3.1perc
dsd/field1
dsd/field2
dsd/sig
dsrtomo/marm
emdpf/dipfilter
eseis/demo2
eseis/demo4
eseis/sparse
fpwd/const