Wherein the vignetted light sensors comprising a vignette depth resulting from {HEAD ~ the difference} in {TAIL ~ height} between the tall structures and short light sensing structures, and 
in
Wherein the vignetted light sensors comprising a vignette depth resulting from { HEAD ~ the difference } in { TAIL ~ height } between the tall structures and short light sensing structures , and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH