Synopsis
		sfcat > out.rsf space= axis=3 nspace=(int) (ni/(20*nin) + 1) [

sfmerge inserts additional space between merged data.

Parameters
		int axis=3 Axis being merged   int nspace=(int) (ni/(20*nin) + 1) if space=y, number of traces to insert   bool space= [y/n] Insert additional space. y is default for sfmerge, n is default for sfcat

Used In
		BEI          conj/causint dpmv/yalei dwnc/sigmoid ft1/ft2d ft1/brad ft1/autocor krch/sep73 sg/toldi vela/stack vela/strat   CWP          geo2006TimeShiftImagingCondition/flat geo2006TimeShiftImagingCondition/zicig geo2007StereographicImagingCondition/gaus1 geo2007StereographicImagingCondition/sigsbee2 geo2007StereographicImagingCondition/flat4 gpr2007RWEHighOrderKernels/diving gpr2007RWEHighOrderKernels/marm jse2006RWEImagingOverturningReflections/sigsbee   DATA          amoco/fdmod bpait/fdmod marmousi/fdmod marmousi2/vz marmousi2/div marmousi2/curl marmousi2/fdMod marmousi2/vx pluto/sign pluto/mult pluto/fdmod pluto/shot sigsbee/nfs2B sigsbee/data2A sigsbee/fdmod2A sigsbee/fs2B sigsbee/wemig sigsbee/pwemig sigsbee/ptest   GEE          ajt/conv ajt/causint ajt/cunha iin/miss1figs lmn/sep73 lmn/sep77 lsq/invstack lsq/antoine mda/misif noiz/burst noiz/mad pch/tvdecon prc/bob prc/sep94 prc/sep95   GEO384W          hw2/eikonal hw3/blake hw5/hyper hw6/blake   GEOSTATS          atten/pdepth atten/qcurve atten/karman atten/karman1 atten/karmand simulate/simple   JSG          attr/vecta pmig/nmo pwc/cmp pwc/beic shape/int1 shape/smoo shape/beivc   RSF          rsf/radial   SEP          angle/agmig antial/sig antial/flt burg/tension burg/gtens findif/heat fmeiko/tri fmsec/cvel forwd/chirp precon/oned precon/mis1 pwd/hector pwd/lomo pwd/sean pwd/dune stack/velinv stack/miginv stoltst/elfst stoltst/imps vc2/elfvc vc2/beivc