提出了一种基于几何特征的细节层次模型生成算法。
A level of detail model generation algorithm based on geometrical feature is presented.
该算法实现简单且速度快，另外能够有效地支持细节层次模型的表示。
The implementation of the algorithm is simple and fast, it also supports the level of details model efficiently.
本文就多细节层次模型的网格简化算法这一实时绘制技术作了初步探讨与实践。
In this paper, the mesh simplification of multiple level of detail, one of real-time rendering techniques, is studied and implemented.
实验结果表明，该算法具有实现简单，速度快的特点，能有效地支持细节层次模型的表示。
The result of the experiment demonstrates that the implementation of the algorithm is simple and it runs fast, it also supports the level of details model efficiently.
细节层次模型是指对同一个场景或场景中的物体，使用具有不同细节的描述方法得到一组模型，供绘制时选择使用。
Level of detail are a group of models at different levels, which are used to describe one scene or its object and be selected for protracting.
细节层次模型是指对同一个场景或场景中的物体，使用具有不同细节的描述方法得到一组模型，供绘制时选择使用。
Level of detail (LOD) are a group of models at different levels, which are used to describe one scene or its object and be selected for protracting.
细节层次模型(LOD)是指对同一个场景或场景中的物体，使用具有不同细节的方法得到一组模型，供绘制时使用。
Level of model (LOD) means to create models with different details in the same scene, and USES them while drawing.
提出了一种新的基于半边折叠的递进网格构造算法和一种引入了细分算法的多细节层次模型生成方法，并给出一组实例说明了算法的有效性。
In this paper, we propose an algorithm for constructing progressive meshes based on half-edge collapse and a method of multiple LOD model generation including subdivision algorithm.
案例研究的参与者都很认同指导模型的内容和各细节层次。
Case study participants appreciated the guidance model's content and level of detail.
灵活性更强：高层次的模型与实现细节无关。
More Flexibility: High-level models are kept free of irrelevant implementation detail.
每个模型存在于特殊的抽象层次，在省去此时不重要的细节的同时，强调解决方案的特定方面。
Each of the models exists at a particular level of abstraction, highlighting certain aspects of the solution while leaving out details that are unimportant at that moment.
从这个角度看，我们可以定出4个层次的细节，它们非常适合平滑地将分析模型转换到可执行过程模型。
In this perspective, we can identify 4 levels of detail, which perfectly fits with a smooth transition from analysis model to executable process model.
各楼层的模型已被扭曲，现在有更多的细节层次。
Various building tier models have been tweaked and now have more LOD levels.
构造了一个基于视点细分的层次细节模型，并将其应用在虚拟内窥镜中。
Construct the level of details model with view-dependent subdivision, and apply it to virtual endoscope.
综述了利用层次细节模型（LOD）技术对多边形表面进行简化的最新技术。
This paper covers the recent techniques of polygon simplification in order to produce Levels of Details (LOD).
通过对几何模型层次细节技术和可见性裁剪技术的分析提出了一种实现实时绘制的有效算法。
After analyzing the level of details and culling technique, we bring up a valid algorithm for realizing real-time display.
使用动态塌陷算法简化模型，从而构造不同细节层次，在不同的场景条件下调用复杂度不同的模型以加速绘制。
Use collapse arithmetic to simplify objects'models, and therefore we can get different levels of details, and then we call different level of details under different conditions.
遮挡裁剪和应用层次细节模型是两种有效的三维复杂场景渲染加速算法。
Occlusion culling and LOD (Level of Details) both are effective techniques in accelerating the rendering process of 3d large scene.
实验证明，该方法对于实时控制地形模型的细节层次，增强地形模型的绘制效率是非常有效的。
The experiments show that this algorithm is very good for the real-time LOD controlling of terrain and also for the real-tim…
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.
基于层次结构的动态简化方法能够根据视点的变化，实时连续地转换场景细节模型。
Of these representations, hierarchical dynamic simplification can continuously refine a LoD model at run time according to changing view point.
制定模型的层次细节、损伤分级、纹理和分组规则，并采用模糊综合评判方法确定离散LOD等级。
Model rules on LOD, grades of damage, texture and grouping are constituted, and the fuzzy synthetically evaluation method is used to choose the level of discrete LOD.
制定模型的层次细节、损伤分级、纹理和分组规则，并采用模糊综合评判方法确定离散LOD等级。
Model rules on LOD, grades of damage, texture and grouping are constituted, and the fuzzy synthetically evaluation method is used to choose the level of discrete LOD.
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