Indeed, not only was this time consuming, it was also error prone. But today, Li explains, after the adoption of total computerization and the numerical cadastral survey method in 1989, surveying can be done quickly and accurately with a total station theodolite. The angle and the distance are entered into the computer, and it can automatically calculate the locations of the boundary points.
但從民國七十八年全面電腦化，改採「數值法測量」後，測量時使用電子測距經緯儀，一下子就 OK；將觀測的角度及距離輸入電腦，還可以自動計算界址點的座標；甚至繪圖也可以由電腦繪圖儀代勞。