The method 42, further comprising the step of generating data indicative of {HEAD ~ optical characteristics} of {TAIL ~ the object}, wherein the optical characteristics include surface texture characteristics 
of
The method 42 , further comprising the step of generating data indicative of { HEAD ~ optical characteristics } of { TAIL ~ the object } , wherein the optical characteristics include surface texture characteristics
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH