【摘要】 文章就如何测绘圆形建筑物平面图形的问题 ,提出了切线法 ,即先测定测站到圆形建筑物的两个切线方向值 ,再测定圆形建筑物的周长或圆形建筑物边缘距测站的最短距离或圆形建筑物边缘上的任意一点 ,就可以测定圆形建筑物。更多还原

【Abstract】 This paper presents a kind of surveying and mapping method for circular buildings named tangent method: To survey two values at tangent between the circular building and the surveying station,and survey the circumference of the circular building or the shortest distance between the margine of the circular building and the surveying station or any point’s coordinnate of the circular building,we can know the circular building’s coordinnate.更多还原