用c++实现摄影测量里面的空间后方交汇，很经典的程序-With c++ Achieve Photogrammetry rear space inside the intersection, it is the classic procedure

能够解算空间后方交会的各个参数，方位元素，地面点坐标，像点坐标等-Able to calculate the various parameters space resection, orientation elements, the ground point coordinates, such as point coordinates