V2EX raytracing

Raytracing

释义 Definition

Raytracing(射线追踪/光线追踪):一种计算机图形渲染技术,通过模拟光线从视点发出并与场景中物体相交、反射、折射与投影的过程,来生成更逼真的光照、阴影与反射效果。(在实时游戏与电影特效中常见;也可写作 ray tracing。)

发音 Pronunciation (IPA)

/retres/

例句 Examples

Raytracing makes reflections look more realistic.
光线追踪让反射看起来更真实。

With raytracing enabled, the scene renders with accurate soft shadows and indirect lighting, but the frame rate may drop on older GPUs.
开启光线追踪后,场景会呈现更准确的柔和阴影与间接光照,但在较旧的显卡上帧率可能下降。

词源 Etymology

该词由 ray(光线)+ tracing(追踪/追溯)构成,字面意思是“追踪光线的路径”。在计算机图形学中,它指用数学方式模拟光线在三维场景中的传播与交互,以获得更接近真实世界的成像效果。

相关词 Related Words

文学与典籍中的用例 Literary Works

  • Physically Based Rendering: From Theory to Implementation(PBRT,计算机图形学经典教材,频繁讨论 ray tracing / path tracing)
  • Ray Tracing in One Weekend(Peter Shirley,入门系列,标题即包含该词)
  • Computer Graphics: Principles and Practice(计算机图形学权威教材,涵盖光线追踪相关章节)
  • Real-Time Rendering(实时渲染领域著名书籍,涉及实时光线追踪与相关管线)
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