Synopsis
		sfthreshold < in.rsf > out.rsf pclip=

November 2014 program of the month:
http://ahay.org/blog/2014/11/12/program-of-the-month-sfthreshold/

Parameters
		float pclip= percentage to clip

Used In
		JLU          fspfint/cmp fspfint/curve fspfint/noise_curve fspfint/noise_qdome fspfint/qdome fspfint/sean gvdseisint/bei gvdseisint/ocmodel txyspfint/field3 txyspfint/french vdseislet/nmo   RSF          rsf/gui   TCCS          fpwd/teapot fwiseislet/encoding-spar fwiseislet/noise-spar fwiseislet/wavelet oc3/bei oc3/fault oc3/french oc3/frenchint pcastack/field pcastack/synth seislet/gath seislet/lena seislet/seis seislet/sin2 simistack/bei simistack/flat4 simistack/simple stackadcig/flat stackadcig/sigsbee stackadcig/simple strfilter/bei strfilter/hongliu strfilter/spray   UH          avostack/cmp1 avostack/cmp2 avostack/stack avostack/synh avostack/synl