frustum

n. 平截头体, 截头锥体

发音

US

词形变化

frusta frustums 复数 frustums frusta 复数

别名

frustrum

释义与例句

n.
  1. 1.

    A cone or pyramid whose tip has been truncated by a plane parallel to its base.

    平截头体

    2006, Pawan Harish Nirnimesh, P. J. Narayanan, Culling an Object Hierarchy to a Frustum Hierarchy, Prem Kalra, Shmuel Peleg (editors), Computer Vision, Graphics and Image Processing: 5th Indian Conference, ICVGIP 2006, Springer, LNCS4338, page 252, However, when there are multiple view frustums (as in a tiled display wall), visibility culling time becomes substantial and cannot be hidden by pipelining it with other stages of rendering.

  2. 2.

    A portion of a sphere, or in general any solid, delimited by two parallel planes.

词汇关系

名词

上位词 1

solid

词源

Borrowed from Latin frustum (“morsel”).

来源：wiktionary