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Visualization of Large Terrain Using Non-restricted Quadtree Triangulations

机译:使用非限制性四叉树三角剖分的可视化大地形

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This paper presents a set of new techniques oriented towards the realtime visualization of large terrains. These techniques are mainly focused on semi-regular triangulations of non-restricted quadtree terrain representations. Despite the fact that the paper shows that triangulations based on non-restricted quadtrees are as simple and efficient as those based on restricted quadtrees, the new triangulations avoid discontinuity problems among the boundaries of different patches without the need for tree balancing and extra triangles addition. Another important feature of the proposed triangulation is that it incorporates an efficient method for building triangle strips and triangle fans for the efficient rendering of the final triangle mesh.
机译:本文提出了一套面向大地形实时可视化的新技术。这些技术主要集中于非限制性四叉树地形表示的半规则三角剖分。尽管本文表明基于非限制性四叉树的三角剖分与基于受限四叉树的三角剖分一样简单有效,但新的三角剖分避免了不同面片边界之间的不连续性问题,而无需树平衡和额外的三角形添加。所提出的三角剖分的另一个重要特征是,它结合了一种用于构建三角带和三角扇的有效方法,以有效渲染最终的三角网格。

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