Synopsis
		sfpow < in.rsf > out.rsf tpow=0. pow#=(0,0,...)

Parameters
		float pow#=(0,0,...) power on #-th axis   float tpow=0. power on the first axis

Used In
		BEI          dpmv/matt dwnc/vofz fld/yc ft1/brad krch/sep73 sg/denmark vela/stretch wvs/head   DATA          nankai/shots segsalt/data   GEE          lmn/sep73 lsq/antoine mda/pefex noiz/softclip pch/mideast pch/steep   GEO384W          hw3/synth hw4/synth   GEO391          hw1/tpow   HANSUNG          cgg/syn   RSF          rsf/sfagc scons/rsf su/rsfkasper su/rsflab12 su/rsflab13 su/rsflab14 su/rsflab15 su/rsflab16   SEP          cdstep/veltran pwd/lomo stack/velinv steer/wz25   SWAG          anisogath/synth