道路放样要素计算.能够对道路平面放样要素进行自动计算,包括直线段/圆曲线段/缓和曲线段等,为外业施工提供了方便.-Lofting calculation of road elements. Lofting flat road to automatic calculation of factors, including the line segment/circle curve paragraph/paragraphs, such as curve for the field to provide