V2EX diffuse map

Diffuse Map

释义 Definition

Diffuse map(计算机图形/3D 渲染)指用于描述物体表面在漫反射光照下呈现的基础颜色纹理贴图,通常不包含金属高光等镜面反射信息;在 PBR 工作流中常与 Albedo/Base Color 概念接近(但是否“去除光照信息”取决于具体流程与素材)。

发音 Pronunciation (IPA)

/dfjus mp/

例句 Examples

The artist painted a new diffuse map for the character’s skin.
美术为角色皮肤绘制了一张新的漫反射贴图。

In the shader, the diffuse map is sampled and combined with lighting to produce the final color on screen.
在着色器中,会对漫反射贴图进行采样并与光照结合,从而得到屏幕上的最终颜色。

词源 Etymology

Diffuse 源自拉丁语 diffundere(“散开、扩散”),强调光在粗糙表面上向各方向散射的“漫反射”特性;map 在计算机图形语境中指“映射/贴图”,表示把二维图像“贴”到三维表面上以控制外观。

相关词 Related Words

文献与作品 Literary & Notable Works

  • Real-Time Rendering(Akenine-Mller 等)在纹理与材质章节中常用 diffuse map 讨论实时渲染管线。
  • Physically Based Rendering: From Theory to Implementation(Pharr 等)在材质/反射模型与纹理参数化相关内容中涉及(常与 albedo/base color 等概念并列)。
  • GPU Gems(NVIDIA 编)多篇章讨论着色与贴图使用,语境中常出现 diffuse map
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