An application may have to load an unknown 3D model and, for enhanced realistic rendering, precompute values over the surface domain, such as light maps, ambient occlusion, or other global‐illumination parameters. High‐quality uv‐unwrapping has several problems, such as seams, distortions, and wasted texture space. Additionally, procedurally generated scene content, perhaps on the fly, can make manual uv unwrapping impossible. Even when artist manipulation is feasible, good uv layouts can require expertise and be highly labor intensive.

中文翻译：

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使用稀疏体素 DAG 的无紫外线纹理

应用程序可能必须加载未知的 3D 模型，并且为了增强逼真的渲染效果，需要预先计算表面域上的值，例如光照贴图、环境光遮蔽或其他全局照明参数。高质量的 uv 展开有几个问题，例如接缝、扭曲和浪费的纹理空间。此外，程序生成的场景内容，也许是动态生成的，可能会使手动 uv 展开变得不可能。即使艺术家操作是可行的，好的 uv 布局也可能需要专业知识并且是高度劳动密集型的。