Synopsis
		sfsmooth < in.rsf > out.rsf repeat=1 adj=n rect#=(1,1,...) diff#=(n,n,...)

January 2012 program of the month:
http://ahay.org/blog/2012/01/01/program-of-the-month-sfsmooth/

Parameters
		bool adj=n [y/n] run in the adjoint mode   bool diff#=(n,n,...) [y/n] differentiation on #-th axis   int rect#=(1,1,...) smoothing radius on #-th axis   int repeat=1 repeat filtering several times

Used In
		BEI          dpmv/matt dpmv/yalei dwnc/sigmoid dwnc/vofz fdm/kjartjac fld/synmarine ft1/autocor ft1/ft2d ft1/plane4 krch/sep73 sg/denmark   CUP          rna3d/real rna3d/sin   CWP          geo2006TimeShiftImagingCondition/flat geo2006TimeShiftImagingCondition/zicig geo2007StereographicImagingCondition/flat4 geo2007StereographicImagingCondition/gaus1 geo2007StereographicImagingCondition/sigsbee2 geo2008InterferometricImagingCondition/sact1 geo2008InterferometricImagingCondition/sigs2 geo2008IsotropicAngleDomainElasticRTM/marm2allA geo2008IsotropicAngleDomainElasticRTM/marm2oneA geo2008NumericWEMVAoperators/flatWEMVA geo2008NumericWEMVAoperators/saltWEMVA geo2009VTIModeSeparation/separate3 geo2011WideAzimuthAngleDecomposition/flatEICangle geo2011WideAzimuthAngleDecomposition/seam357 jse2006RWEImagingOverturningReflections/sigsbee   DATA          cant12/lpf cant12/stk marmousi2mp/modelproc   DIRACK          examples/modelAndStack examples/pefInterpolation   EEG          marchenko/example-cluster marchenko/example   GALLERY          french/gazdag french/lowrank french/model french/oway french/stolt french/vc gradient/fakirmig gradient/lowrank gradient/oway marmousi/lowrank segsalt/model sigsbee/kirMulti twohalf/kirMulti vofz/gazdag vofz/kirch vofz/lowrank vofz/oway vofz/stolt vofz/vc   GEE          ajt/mound ajt/triangle hlx/mam lmn/sep73 lsq/antoine pch/signoi   GEO384H          hw3/pocs hw3/rotate hw4/invint   GEO384S          hw0/channel hw0/local hw4/alaska   GEO384W          hw1/wave hw4/sigsbee hw5/hyper hw5/hyper2 hw6/hyper   GPGN658          rtmig/exercise   JLU          apefsnsep/dune apefsnsep/simplegroll fspfint/noise_qdome fspfint/qdome fspfint/snr fxyspfdenoi/qdome gvdseisint/bei gvdseisint/ocmodel lcfs/conq-model lcfs/conq-noise lcfs/rdata lcfs/varq-model riesz/fieldata riesz/linefit riesz/sigmdenoi riesz/sigmoid spefdecon/rdata txsopf/curvedmodel txyapf/curve txyapf/sigmoid vdseislet/usp   MILANO          taupvel/cmp taupvel/synth   RSF          rsf/unif3 school/complex school/horizon school/marm school/modeling school/sigsbee school/single school2009/channel school2009/local school2015/channel school2015/local school2015/modmig school2020/csem su/rsfsmooth3d tutorials/images tutorials/lineaments tutorials/parameters tutorials/semblance tutorials/smoothing   SEP          antial/sig fat/green findif/vc3 geostat/dix huygens/marmousi lineiko/test pefmult/haskell pefmult/mobil plane/eplane plane/qint pwd/dune pwd/lomo pwd/signoi spitz/sign stack/miginv stoltst/elfst stoltst/imps texture/fft vc2/sigvc vc2/spec vc2/vcmod velspec/sigvc   SWAG          tau/hess tau/iso tau/marm   TCCS          acrossfault/clyde acrossfault/louis2d aii/heidrun anisodiff/pcable anisodiff/simple anisodiff/simple3d apwd/crnfld apwd/trace avo/avo avo/avo2 cs/coef cs/synth demulemd/mobil dipseis/sigmoid dlchan/label dlchan/testing dlchan/thin dsd/conflict dsd/demo dsd/demo2 dsd/demo3.1perc dsd/sig dtwaniso/synthetic-gather eikods/marm elas/french-dc elas/gradient elas/homomono3d elas/homotric3d-dc elas/homotric3d elas/twolayer3d enhemd/prestack enhemd/sigmoid flat/comaz flat/flat flat/flatelf fpwd/sigmoid fraclapl/diffq fraclapl/marmq fraclapl/twolayer fwiseislet/blend fwiseislet/encoding-spar fwiseislet/encoding fwiseislet/noise-spar fwiseislet/noise fwiseislet/timedomain fwiseislet/wavelet gmresq/bpgas group3/bptti group3/tiltorthocompare lowrank/bp lowrank/bptti lowrank/fowler lowrank/threed lpf/regr merge/apache merge/pcable nmo3/azimuthtest npm/trace npm/vecta-emd npm/vecta-nar onestep/bptti onestep/bptti2 onestep/bpttirtm onestep/fio1d onestep/fowler onestep/grad2 onestep/tiltorth optapert/depthMig optapert/gibson optapert/rightSigsbee optapert/sigsbee orthorhombic/orth orthorhombic/test orthorhombic/tiltn phase/boon3 pi/simple-model pmig/mig probdif/nankai probdif/noisy-synthetic probdif/synthetic seislet/seis sglowrank/mms1d-all-vv sglowrank/mms1d-dt-vv sglowrank/mms1d-dx-vv sglowrank/mms1d-fre sglowrank/tlayer3 shape/lomo shape/smoo sobel/pari sobel/penobscot sparse/sparse-experim-shaping sparse/vg sswtapp/boonsville sswtapp/strata stackadcig/flat stackadcig/sigsbee strat/sigmoid1 strat/three-d strfilter/spray synth/ordexample20hz synth/small-khuff synwav/lowf t2dweak/alaska timefreq/lowf timefreq/syn varipick/global-gom varipick/horizon varipick/newviking wetm/beivel wetm/nankaizone wetm/synthetic4   TONGJI          decoupledpropagation/bptti2007.smooth lrmode/bptti2007.comparison lrmode/bptti2007.smth lrmode/bptti2007 qpwave/bptti2007 qpwave/hessvti qswave/bptti2007   TRIP          hug/marm1s_deep hug/marm1s_shallow struct/project   UWA          geo2013ElasticModellingGPU/bp2d geo2013ElasticModellingGPU/hti3d   XJTU          gpufwi/marmtest mcaseislet/sep2 modeling2fwi/marmtest primer/marmfwi primer/rtmadcig test/rtmodcig   ZJU          optnoise/prestack