测绘中的面积计算。代码是本人自己编写的，实现读取Excel中给定点坐标（按照顺时针或逆时针编号），并计算给定点所围成的区域面积。

摄影测量专业。实现单像后方交会以及立体像对的前方交会。以文件形式读取控制点和像点坐标。-Photogrammetry professional. The realization of single-like resection, as well as three-dimensional, like the front of the intersection. Read the form of a document control point and the image point coordin