frustum是什么意思？

frustum

英['frʌstəm] 美['frʌstəm]

• n. 平截头体；

复数：frustums; frusta;

例句

• Given the current frustum, compute the visible geometry. 给定当前视景体, 计算可见几何体.
• The forming principle of frustum cone - like cup ( container ) is studied. 研究了圆台形纸杯 ( 容器 ) 的成型原理.
• This will help the 3 D engine's performance by doing per - object frustum culling. 此举有助于3D引擎对对象的层次视锥剔除运算.

英英词典释义

• Noun
  1. a truncated cone or pyramid; the part that is left when a cone or pyramid is cut by a plane parallel to the base and the apical part is removed

行业词典

• 数学： 平截头台；