  COMMAND WAVE1D
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    Purpose: transversal/longitudinal wave along x-axis
      Usage: WAVE1D(<objectID>,<frames>,<filename>,<"T" or "L">,
                    [<amplitude>,<wavelength>,<source>,
                    <damping>,<phase in degrees>])
   Examples: wave1d(1,40,obj,t,12.0,24,0,1.0,0.0)
             wave1d(1,33,ram:ob,t)
             wave1d(1,33,ram:ob,l)
