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