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- This article introduces the methods and steps for generating the large scale terrain models under the context of optimal flying trail and ATF. 以最优飞行航迹为背景,增大空中交通流量为目的,介绍了三维大地形模型的生成方法和步骤,并模拟出真实环境下的三维大地形模型。
- Large- scale terrain modeling 大规模地形建模
- This paper discussed digital terrain model (DTM) . 论述了地面数字模型DTM(Digital terrain model).
- 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。
- 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。
- Digital Terrain Modeling (DTM) is an important utility of GIS. 数字地形模型是GIS的一个重要应用。
- Thus, we partition a large terrain model into blocks and then dynamically load the necessary terrain blocks into the memory for rendering. 因此,我们将大区域地形模型切分成许多矩形小地块,并且动态地读取所需的小地块到记忆中来展示。
- Large scale terrain rendering have important applications on flight simulation,terrain based computer games,geographic information systems(GIS),virtual tourism as well as many other fields. 大规模地形渲染在飞行模拟、基于地形的计算机游戏、地理信息系统(GIS)、虚拟旅游等很多领域有着重要应用。
- Rapid rendering of large scale terrain is a research hotspot at present.How to organize the terrain data and how to predigest rendered models effect on the rendering rate and quality. 摘要大规模地形的快速绘制是目前的研究热点,如何有效地进行地形数据组织及模型简化,关系到渲染的速度和效果。
- The paper proposes a real-time tiling method for extra-large scale terrain rendering. 摘要 本文提出了一种适合于超大规模地形的渲染的实时拼接技术。
- The DED data is got from IMAGE2DED conversion and is used in terrain modeling with the method of Delaunay. 通过Image2DED转换得到三维地形数组的数字高程数据信息,对该信息使用Delaunay法,生成对应三维地形数据的地形模型。
- Image matching is the key stage for Digital Terrain Model(DTM) automatical aquisition using with digital images. 利用数字影像自动提取数字地形模型(DTM)的关键是影像匹配。
- The constrained digital terrain model is displayed in AutoCAD which is developed by VC++6.0 and ARX. 通过使用VC++6.;0和ARX开发工具;在AutoCAD环境下实现了约束DTM的建立和显示。
- Digital terrain model (DTM) is an important component of a resource information system. 数字地形模型(DTM)是资源信息系统中的重要组成部分。
- A method is presented to implement real-time 3D road animation coupled with road design data and digital terrain model(DTM). 研究了一种用数字地面模型和公路设计数据实现实时三维动画的方法。
- Firstlythe digital terrain model is constructed using Delaunay triangulation technique, and then the road design data is merged into the DTM. 首先利用Delauany三角化方法构造数字地面模型,然后将公路设计数据与数字地面模型进行叠加。
- A Fast Algorithm for Large Scale Terrain Walkthrough 一种大规模地形的快速漫游算法
- In this paper the methods and experiments for applying the digital terrain model(DTM) to improve the classification accuracy are introduced. 本文着重介绍在遥感影象分类中应用数字地面模型(DTM)改正地物反射光谱中地形影响的方法和试验。
- Applying ROAM Algorithm to Large Scale Terrain Rendering ROAM算法在超大规模地形渲染中的应用
- To generate regular grid digital terrain model (DTM) from scattered points, the key problem is to improve the efficiency of searching neighbor points. 从离散点内插规则格网数字地形模型 (DTM)方法的关键是如何提高待插点周围数据的搜索效率。