Usage: taup velmerge [arguments]
  or, for purists, java edu.sc.seis.TauP.TauP_VelocityMerge [arguments]

Arguments are:
-mod[el] modelname -- base velocity model "modelname" for calculations
                      Default is iasp91.


-nd modelfile       -- base "named discontinuities" velocity file
-tvel modelfile     -- base ".tvel" velocity file, ala ttimes

-ndmerge modelfile       -- "named discontinuities" velocity file to merge
-tvelmerge modelfile     -- ".tvel" velocity file to merge, ala ttimes

-smtop              -- smooth merge at top

-smbot              -- smooth merge at bottom


-o [stdout|outfile]         -- output is redirected to stdout or to the "outfile" file
--prop [propfile]   -- set configuration properties
--debug             -- enable debugging output
--verbose           -- enable verbose output
--version           -- print the version
--help              -- print this out, but you already know that!

