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一种基于ROAM的全球地形实时可视化 被引量:1

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摘要 为了实现全球地形数据的多分辨率显示,本文在QTM(四元三角格网)层次剖分的基础上,应用ROAM(real-time optimally adapting meshes)算法,实现了基于地球表面菱形块的地形实时绘制。实验中应用全球GTOPO30数据,直接将地球表面划分成球面菱形块进行绘制,避免了裂缝,实现了全球地形的连续显示,取得了较好的可视化效果。
出处 《江西测绘》 2011年第2期9-12,共4页 JIANGXI CEHUI
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参考文献7

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二级参考文献12

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