Apparatus 4, wherein {HEAD ~ said predefined width} of {TAIL ~ thin lines} is a width of one pixel and each point along said line P comprises a distinct pixel 
of
Apparatus 4 , wherein { HEAD ~ said predefined width } of { TAIL ~ thin lines } is a width of one pixel and each point along said line P comprises a distinct pixel
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH