sfadd
index
system/main/add.c
Documentation
Add, multiply, or divide RSF datasets.

 
Synopsis
        sfadd > out.rsf scale= add= sqrt= abs= log= exp= mode= [< file0.rsf] file1.rsf file2.rsf ...
The various operations, if selected, occur in the following order:

(1) Take absolute value, abs=
(2) Add a scalar, add=
(3) Take the natural logarithm, log=
(4) Take the square root, sqrt=
(5) Multiply by a scalar, scale=
(6) Compute the base-e exponential, exp=
(7) Add, multiply, or divide the data sets, mode=

sfadd operates on integer, float, or complex data, but all the input
and output files must be of the same data type.

An alternative to sfadd is sfmath, which is more versatile, but may be
less efficient.

 
Parameters
       
 
bools abs=
If true take absolute value [nin]
 
floats add=
Scalar values to add to each dataset [nin]
 
bools exp=
If true compute exponential [nin]
 
bools log=
If true take logarithm [nin]
 
string mode=
'a' means add (default),
'p' or 'm' means multiply,
'd' means divide

 
floats scale=
Scalar values to multiply each dataset with [nin]
 
bools sqrt=
If true take square root [nin]

 
Used In
       

 
BEI
        sg/toldi

 
CWP
        geo2007StereographicImagingCondition/sigsbee2
geo2007StereographicImagingCondition/gaus1
geo2007StereographicImagingCondition/flat4
geo2008InterferometricImagingCondition/sact1
geo2008InterferometricImagingCondition/circle
jse2006RWEImagingOverturningReflections/sigsbee

 
GEE
        hlx/helicon
iin/chevron
mda/misif
mda/geostat
mda/morgan
noiz/mad
pch/tvdecon
pch/signoi

 
GEO384W
        hw1/wave
hw2/raytracing
hw3/cmp
hw4/dome
hw5/hyper

 
GEO391
        hw2/fourier
hw2/running
hw3/rotate
hw3/pocs
hw4/match
hw4/dunes
hw5/seabeam
hw6/pattern
hw6/rain

 
GEOSTATS
        simulate/rfield
simulate/simple
spatial_stats/gr_variogram
spatial_stats/covariance
spatial_stats/correlogram
spatial_stats/variogram

 
GPGN658
        fdmod/exercise
rtmig/exercise

 
JSG
        atten/karman1
atten/karmand
atten/spectra
attr/vecta
avo/stat
avo/avo
diffr/gom
diffr/fault
lpf/regr
lpf/simon
lpf/lpf
lpf/plut
lpf/ray
medianfilter/dragon
nmo3/mcelroy
nmo3/azimuthtest
shape/smoo
shape/beivc
strfilter/spray
strfilter/hongliu
strfilter/bei
timelapse/duri
timelapse/long1
timelapse/timelapse

 
RSF
        rsf/unif3
rsf/fractal
school/single
school/local
school/complex
school/channel2
scons/rsf
usp/data

 
SEP
        antial/imp
bspl/chirp2
bspl/radial
bspl/plane3
bspl/chirp
burg/gtens
burg/laplac
cdstep/veltran
findif/laplace
fkamo/impresp
fmeiko/fmarch
fmeiko/tri
fmsec/cvel
forwd/chirp2
forwd/radial
forwd/chirp
helmholtz/lapfac
huygens/marmousi
huygens/gauss
lineiko/test
oc2/ocimp
oc2/elfshot
oc2/cup
precon/cube
precon/hlx
pwd/sean
pwd/hector
pwd/dune
pwd/signoi
rwe/simp1
spitz/sign
stack/velinv
stack/miginv
steer/shot
steer/wz25
steer/qdome
vc2/beivc
velspec/sigvc

 
TRIP
        hpcss/test3
hpcss/test5
hpcss/test1
hpcss/test2
hpcss/test4