In this paper, we propose an efficient framework for large-scale terrain real-time visualization.
本文提出了一个有效的基于外存的海量地形数据实时可视化框架。
At chapter 4, we focus on our research on the rendering, roam and continuous multiresolution terrain simplification algorithm of large-scale terrain scene.
在第4章重点研究了大规模地形场景的显示和漫游技术和实时连续的多分辨率地形简化算法。
There are deeper research and study about large-scale terrain data all over the world, but the study about large-scale stratum data with common interest is little.
国内外对海量地形数据的研究比较深入，但对具有一般意义的海量地层数据研究较少。
Based on the analysis of traditional simulation methods, this paper presents a new approach for simulation of snow falling and accumulating in large-scale terrain.
在分析已有的降雪和积雪模拟方法的基础上，提出了一种大场景环境下降雪和积雪模拟的新方法。
Experiment shows this method improves the in snow simulation, keeps real-time, and ADAPTS to the large-scale terrain, especially for the scene with flight simulation.
实验表明，降雪积雪模拟方法模拟效果真实，实时性良好，适合大场景尤其是飞行模拟系统中。
The data should be properly handled when the large-scale terrain environment is been rendered, it is of great necessity to meet the requirement of real-time rendering.
大规模地形场景在绘制时，通常需要对数据进行适当的处理，以满足实时性的要求。
Experimental result shows that this algorithm can efficiently improve the performance of ROAM algorithm and can be used in real-time walkthroughs in large-scale terrain at high frame rates.
实验结果表明，该算法可以有效提高ROAM算法性能，能以较高帧速实现大规模地形的实时漫游。
While integrating transport infrastructure within the landscape considering the large scale modeling of the terrain, the purpose of agriculture in the peri-urban context has to be redefined.
考虑地形的大规模形态整合景观内的交通系统，重新定义在城郊区域进行农业生产的目的。
Multiresolution modeling, used to resolve the real time rendering of large scale terrain, has attracted growing interest over the last decade.
多分辨率建模作为解决大面积地形实时动态显示的手段，近年来在国内外得到普遍的重视和研究。
Under strong large-scale wind field, the authors add smooth terrain of Lake Biwa to this model, and the results obtained are satisfactory.
在强的背景风场下，模式加入了经过适当平滑的琵琶湖流域地形，得出了一些有益的看法。
These algorithms solve the conflict between the rendering rate and the quality in an effect way and realize rapid the real-time ramble in large scale terrain scenes.
实验结果表明，该算法有效地解决了绘制速度与质量之间的矛盾，较好地实现了大规模地形场景的实时快速漫游。
This paper presents a dynamic construction algorithm for the multi-resolution terrain model based on the large scale GRID data or discrete elevation data.
论述了一种基于大规模格网数据或离散高程点动态构建多分辨率地形模型的算法。
Multiresolution modeling, which is used to resolve the real-time rendering of large scale static terrain, has attracted growing interest at home and abroad over the last decade.
多分辨率建模作为解决大面积静态地形实时动态显示的手段，近年来在国内外得到普遍的重视和研究。
Using the GPU rendering functions, improving the visual realism and real-time roaming rates, a large-scale 3d real-time terrain roaming is performed.
同时充分利用GPU的渲染功能，提高可视化的真实感和实时漫游的速率，实现了大规模三维地形的实时漫游。
The experiments show that this algorithm is very good of the real-time LOD controlling for large scale terrain visualization and also for the real-time rendering.
实验证明，该方法对于实时控制大规模地形模型的细节 层次，增强大规模地形模型的绘制效率是非常有效的。
The experiments show that this algorithm is very good of the real-time LOD controlling for large scale terrain visualization and also for the real-time rendering.
实验证明，该方法对于实时控制大规模地形模型的细节 层次，增强大规模地形模型的绘制效率是非常有效的。
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