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\n Synopsis
		sftraveltime2d < dist.rsf time=time.rsf dept=dept.rsf len=lent.rsf > imagt.rsf xsrc= tolz= tolx= frontt0= frontdt= frontnt= fronteps= interpolate= timez0= minpath= front= eik=

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\n Parameters
		\n \n \n \n   file dept= \tauxiliary input file name \n \n \n\n \n \n \n   string eik= \t \n \n \n\n \n \n \n   string front= \t \n \n \n\n \n \n \n   float frontdt= \t \n \n \n\n \n \n \n   float fronteps= \t \n \n \n\n \n \n \n   int frontnt= \t \n \n \n\n \n \n \n   float frontt0= \t \n \n \n\n \n \n \n   int interpolate= \tfirst arrivals \n \n \n\n \n \n \n   file len= \tauxiliary input file name \n \n \n\n \n \n \n   string minpath= \t \n \n \n\n \n \n \n   file time= \tauxiliary input file name \n \n \n\n \n \n \n   string timez0= \t \n \n \n\n \n \n \n   float tolx= \t \n \n \n\n \n \n \n   float tolz= \t \n \n \n\n \n \n \n   float xsrc= \t \n \n \n

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