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Adaptive real-time level-of-detail based rendering for polygonal models

机译:基于自适应实时详细程度的多边形模型渲染

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We present an algorithm for performing adaptive real-time level-of-detail-based rendering for triangulated polygonal models. The simplifications are dependent on viewing direction, lighting, and visibility and are performed by taking advantage of image-space, object-space, and frame-to-frame coherences. In contrast to the traditional approaches of precomputing a fixed number of level-of-detail representations for a given object, our approach involves statically generating a continuous level-of-detail representation for the object. This representation is then used at run time to guide the selection of appropriate triangles for display. The list of displayed triangles is updated incrementally from one frame to the next. Our approach is more effective than the current level-of-detail-based rendering approaches for most scientific visualization applications, where there are a limited number of highly complex objects that stay relatively close to the viewer. Our approach is applicable for scalar (such as distance from the viewer) as well as vector (such as normal direction) attributes.
机译:我们提出了一种算法,用于为三角多边形模型执行基于实时详细程度的自适应渲染。简化取决于查看方向,照明和可见性,并通过利用图像空间,对象空间和帧到帧的一致性来执行。与为给定对象预先计算固定数量的详细级别表示的传统方法相比,我们的方法涉及为对象静态生成连续的详细级别表示。然后在运行时使用该表示法来指导选择合适的三角形以进行显示。显示的三角形列表从一帧到下一帧逐渐更新。对于大多数科学可视化应用程序而言,我们的方法比当前基于详细程度的渲染方法更有效,在大多数可视化应用程序中,有限数量的高度复杂的对象相对靠近观察者。我们的方法适用于标量(例如距查看器的距离)以及矢量(例如法线方向)属性。

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