土地利用现状图更新与建库中大地坐标系选择

Reference Systems Selection in Current Land Utilization Map Updating and Database Construction

介绍了中国目前常用的大地坐标系 ,分析了不同坐标系的选择对土地利用现状图更新与建库工作的影响 ,并对坐标系转换使用过程中存在的常见问题和处理方法进行了探讨 ,并提出了建议。

In this paper, reference systems of China, advantages and disadvantages of each system for current land utilization map updating have been introduced.Some problems were explored in system converting and technical application. Finally, suggested solutions were made out by author.