利用四个已知控制点及其对应像点坐标解求六个外方位元素（即空间后方交会） (2009-04-24, Visual动态输入控制点个数，比例尺以及焦距和各个控制点的像点坐标和地面点坐标，确定航片的6个外方位元素-The use of four known control points and its corresponding image point coordinates solution seeking six elements of exterior orientation (ie, space resection) (2009-04-24, Visual Dynamic Input control points number, scale, and the focal length and the various control points, as point coordinates and ground point coordinates to determine the aerial photograph of the six exterior orientation elements