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