V2EX object space

Object Space

释义 Definition

Object space(对象空间/物体空间):在计算机图形学与3D建模中,指以某个物体自身为参照系的坐标空间。点、法线等数据用该物体的“本地坐标”表示,尚未经过移动、旋转、缩放等变换到世界空间或视图空间。也常称 model space(模型空间)

发音 Pronunciation (IPA)

/b.dekt spes/

例句 Examples

The vertex positions are stored in object space.
顶点位置以对象空间坐标存储。

After transforming from object space to world space, the model can be placed anywhere in the scene.
从对象空间变换到世界空间之后,模型就可以被放置到场景中的任意位置。

词源 Etymology

object 源自拉丁语 objectum(“被放在前面的东西”),在技术语境里常指“一个独立的实体/物体”;space 源自拉丁语 spatium(“空间、间隔”)。组合成 object space,字面义就是“以物体为中心的空间/坐标域”,用于强调坐标是相对于物体自身而不是相对于世界或相机。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Real-Time Rendering(AkenineMller, Haines, Hoffman)
  • OpenGL Programming Guide(常称 “Red Book”)
  • Computer Graphics: Principles and Practice
  • 3D Math Primer for Graphics and Game Development
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