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多精度三角网可用于数据压缩及进行不同细节程度的２５ 维分析处理。现有建立多精度三角网的算法功能单一，不能满足随时改变精度的要求。该文给出了一套完整的建立多精度的三角网的算法，包括建立基本三角网、在三角网中增加点和删除点等。并且实现了两个运行版本，一个可建立指定精度的三角网，另一个可在运行中随时控制精度。测试表明该算法正确，程序运行稳定可靠
Multi-precision triangulation can be used for data compression and the degree of detail of 2 5 dimensional analysis. The existing algorithm for establishing a multi-precision triangular network has a single function and can not meet the requirements of changing the accuracy at any time. This paper presents a complete set of algorithms for establishing multi-precision triangulation, including establishing basic triangulation, adding points and deleting points in the triangulation. And realized two running editions, one can establish the triangular net of designated precision, another one can control the precision at any time while running. The test shows that the algorithm is correct and the program runs stably and reliably