As shown in FIG 4, a matching area to be used to fit {HEAD ~ the position} of {TAIL ~ the reference profile} to the position of the intended profile is assigned  
of
As shown in FIG 4 , a matching area to be used to fit { HEAD ~ the position } of { TAIL ~ the reference profile } to the position of the intended profile is assigned
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH