计算机应用与软件Issue(1)：77-80,4.DOI:10.3969/j.issn.1000-386x.2014.01.021
三维海底地形仿真的研究
RESEARCH ON 3D SEABED TERRAIN SIMULATION
摘要
Abstract
In light of the issue of fast large-scale seabed terrain rendering,we present the terrain generation method which is based on combining the geometrical mipmapping (GeoMipMap)algorithm with fractal algorithm,and use the methods of vertex-index and stratified blocking to organise terrain data.The method divides 3D seabed terrain into sub-blocks,through visibility discrimination only those sub-blocks within visual area are displayed.At the same time a simplified criterion based on block and view-point is set up,and the way of eliminating cracks between the terrain blocks with different detailed layers is presented through the criterion in order to make sure that no necessary details will be lost in terrain streamlining process.Simulation experimental result proves that the research outcome can effectively realise real-time terrain rendering.关键词
海底地形/几何多重映射算法/分形算法/消除裂缝Key words
Seabed terrain/GeoMipMap algorithm/Fractal algorithm/Cracks elimination分类
信息技术与安全科学引用本文复制引用
卢福丹,陈元枝,蔡续..三维海底地形仿真的研究[J].计算机应用与软件,2014,(1):77-80,4.基金项目
广西自然科学基金项目（0991243）。 （）
