V2EX globalillumination

Global Illumination

释义 Definition

(计算机图形学)全局光照:一种渲染方法,用来模拟光在场景中多次反射、散射与间接照明的效果,使画面中的阴影、明暗过渡与色彩“互相反光”(颜色渗透)更接近真实。常与“局部光照/直接光照”相对。(在不同语境下也可泛指“整体照明”,但最常见于渲染领域。)

例句 Examples

Global illumination makes the room look more realistic.
全局光照让房间看起来更真实。

By enabling global illumination, the renderer captures subtle indirect light bounces that soften shadows and add color bleeding between surfaces.
启用全局光照后,渲染器会捕捉到细微的间接光多次反弹,从而让阴影更柔和,并在物体表面之间产生颜色渗透。

发音 Pronunciation (IPA)

/lobl lumnen/

词源 Etymology

global 来自拉丁语 globus(球体),引申为“整体的、全局的”;illumination 来自拉丁语 illuminare(照亮)。合起来字面是“整体的照明”,在图形学中专指把直接光间接光的整体光传输过程一起考虑的渲染思想与技术。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Physically Based Rendering: From Theory to Implementation(Pharr, Jakob, Humphreys)系统讨论全局光照与路径追踪等核心方法。
  • Real-Time Rendering(Akenine-Mller, Haines, Hoffman)介绍实时渲染中与全局光照相关的近似与实现思路。
  • Advanced Global Illumination(Dutré, Bekaert, Bala)专门聚焦全局光照理论与算法的经典参考书。
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