A GPU based interactive modeling approach to designing fine level features

Xin Huang, Sheng Li, Guoping Wang
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引用次数: 5

Abstract

In this paper we propose a GPU based interactive geometric modeling approach to designing fine level features on subdivision surfaces. Displacement mapping is a technique for adding fine geometric detail to surfaces by using two-dimensional height map to produce photo-realistic surfaces. Due to space inefficiency and time consuming to render displacement map, this technique is generally limited in offline cinematic content creation packages. We propose a new approach to designing fine level features on subdivision surfaces via displacement mapping interactively on the latest GPU. Our method can reduce the bandwidth of the graphics channel by generating complex geometric detail on GPU, without feeding a large number of vertices to the AGP or PCI-E. Moreover, we introduce feature modification tools to flexibly control and adjust the created features. Designers can preview the features at the rendering stage, saving the time to generate the satisfying features on surfaces. The proposed approach is efficient and robust, and can be applied in many interactive graphics applications such as computer gaming, geometric modeling and computer animation.
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基于GPU的精细关卡特征交互建模方法
本文提出了一种基于GPU的交互式几何建模方法来设计细分曲面上的精细层次特征。位移映射是一种利用二维高度映射在表面上添加精细几何细节以产生逼真表面的技术。由于空间效率低下和渲染位移贴图的时间消耗,这种技术通常在离线电影内容创建包中受到限制。我们提出了一种在最新的GPU上通过交互式位移映射来设计细分表面上精细关卡特征的新方法。该方法通过在GPU上生成复杂的几何细节来减少图形通道的带宽,而无需向AGP或PCI-E提供大量的顶点。此外,我们还引入了特征修改工具来灵活地控制和调整所创建的特征。设计师可以在渲染阶段预览特征,节省在表面上生成令人满意的特征的时间。该方法具有高效和鲁棒性,可应用于计算机游戏、几何建模和计算机动画等交互式图形应用中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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