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

在c语言下计算圆曲线要素-Calculated in c language elements of circular curve ···············

测绘圆曲线要素计算，主点里程桩号计算等，以及圆曲线上任一点坐标的计算(Calculation of circular curve elements)