计算表格，excel，用于后方交会的坐标计算，快捷迅速。-Calculation form, excel, for calculating the coordinates of resection, fast rapid.

改进版的后方交会程序，不仅仅实现外方位元素的提取，更有相机内方位元素的畸变差改进。-Improved version of the resection procedure, not only to achieve the extraction outer orientation elements, Distortion and more camera orientation elements improvements.