|
|||||
|
|
| 基于联锁分块的大规模地形建模方法研究 | |
| 引用本文： | 李洲,沈占锋,王卫红,骆剑承.基于联锁分块的大规模地形建模方法研究[J].计算机仿真,2008,25(10). |
| 作者姓名： | 李洲 沈占锋 王卫红 骆剑承 |
| 作者单位： | 1. 浙江工业大学软件学院,浙江,杭州,310023;中国科学院遥感应用研究所,北京,100101 2. 中国科学院遥感应用研究所,北京,100101 3. 浙江工业大学软件学院,浙江,杭州,310023 |
| 基金项目： | 天津市科技发展计划重大项目，国家自然科学基金，中国科学院资源与环境信息系统国家重点实验室开放基金，浙江省自然科学基金 |
| 摘 要： | 针对已有MRLoD算法生成的地形=三角形网不稳定等缺点,提出了一种新的基于联锁分块的大规模地形建模方法,在对地形进行分块调度的基础上通过预先建立分块模板和分块联锁模板,渲染时动态匹配各模板建立平滑完整的分块模型,在分块调度及附加计算策略下,拼接各分块以完成整块地形的多分辨率建模,并以高效的方式将模型数据传人渲染硬件.实验表明,在满足了精度要求的同时提高了模型的稳定性,有效减少了实时计算量,在渲染效率上取得了令人满意的结果,能够满足用户对大规模地形的实时漫游的要求. |
| 关 键 词： | 联锁分块 细节层次 多分辨率模型 大规模地形建模 实时渲染 视景仿真 |
A Method of Large-scale Terrain Modeling Based on Interlocking Tiles |
|
| LI Zhou,SHEN Zhan-feng,WANG Wei-hong,LUO Jian-cheng.A Method of Large-scale Terrain Modeling Based on Interlocking Tiles[J].Computer Simulation,2008,25(10). | |
| Authors: | LI Zhou SHEN Zhan-feng WANG Wei-hong LUO Jian-cheng |
| Affiliation: | LI Zhou1,2,SHEN Zhan-feng2,WANG Wei-hong1,LUO Jian-cheng2(1. College of Software,Zhejiang University of Technology,Hangzhou Zhejiang 310023,China,2. Institute of Remote Sensing Applications,Chinese Academy of Sciences,Beijing 100101,China) |
| Abstract: | A new large-scale terrain modeling method based on interlocking tiles is put forward in order to avoid the disadvantages of common MRLoD algorithms such as instability. With pre-establishing index templates based on terrain tiles, smoothing tile models are generated by template dynamical matching when rendering. And the entire multi-resolution terrain model is constructed by patching up all the tiles. Finally, the model data are transferred into rendering device efficiently. The experimental result shows th... |
| Keywords: | Interlocking tiles LoD Multi-resolution model Large-scale terrain modeling Real-time rendering Scene simulation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
