In terms of walkthrough of 3D data, the conventional roam algorithm has been improved in two aspects: error estimation and crack eliminating. By the improved algorithm walkthrough is realized and the terrain's resolution has been increased greatly.
在三维地形数据浏览方面,采用传统的ROAM算法,通过对误差估算和裂缝消除两方面技术的改进,实现了地形的漫游,使地形分辨率有了很大的提高,该算法已经在PC机上实现了地形的快速交互式漫游。
参考来源 - 三维地形数据压缩及漫游·2,447,543篇论文数据，部分数据来源于NoteExpress
针对以往简化算法中单向裂缝消除算法效率低的问题，提出一种新的裂缝消除算法：双向裂缝消除算法，实验结果证明了该算法的正确性和有效性。
Finally, thinking of the low efficiency of the old cracks elimination way, a new bi-directional method is given which can simplify the terrain efficiently and increase the rendering speed.
麦克姆雷指出，公民的职责是消除人与人之间的裂缝，建立合作关系。
He argued that it is the job of citizens to heal rifts and build partnerships.
此外，为了防止深孔闸墩部位的裂缝发生，设计采用对闸墩施加曲线形预应力锚索以消除或减小拉应力。
Moreover, curve prestressed anchorage cables are applied to eliminate or minish the tensile stress to prevent the cracks appearing on the deep orifice gate blocks.
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