Synopsis
		sfpad < in.rsf > out.rsf beg#=0 end#=0 n#=

n#out is equivalent to n#, both of them overwrite end#.

Other parameters from the command line are passed to the output (similar to sfput).

Parameters
		int beg#=0 the number of zeros to add before the beginning of #-th axis   int end#=0 the number of zeros to add after the end of #-th axis   int n#= the output length of #-th axis - padding at the end

Used In
		BEI          dwnc/sigmoid ft1/autocor ft1/brad   CUP          rna2d/real rna2d/shot rna2d/simple rna3d/real   CWP          geo2006TimeShiftImagingCondition/flat geo2006TimeShiftImagingCondition/zicig geo2007StereographicImagingCondition/sigsbee2 geo2008InterferometricImagingCondition/circle geo2008InterferometricImagingCondition/sigs2 geo2008IsotropicAngleDomainElasticRTM/marm2allA geo2008IsotropicAngleDomainElasticRTM/marm2oneA geo2008NumericWEMVAoperators/flatWEMVA geo2008NumericWEMVAoperators/saltWEMVA geo2009TTIModeSeparation/fold geo2009TTIModeSeparation/marmousi2 geo2009TTIModeSeparation/tti3 geo2009VTIModeSeparation/separate2 geo2009VTIModeSeparation/separate3 geo2009VTIModeSeparation/separate5 geo2009VTIModeSeparation/sigsbee geo2011WideAzimuthAngleDecomposition/flatEICangle geo2011WideAzimuthAngleDecomposition/seam357 jse2006RWEImagingOverturningReflections/sigsbee pept2011MicroearthquakeMonitoring/saf1 pept2011MicroearthquakeMonitoring/saf2 pept2011MicroearthquakeMonitoring/saf3