英语释义

• 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

片语

Frustum Culling破片拣选

frustum m平截头体

nonsymmetric frustum非对称视锥体

View Frustum视见体

class Frustum视锥管理

perspective frustum透视裁剪体

Asymmetric Frustum非对称式截锥体

frustum model平截头圆锥体模型

frustum body平截头体

英汉例句

• with the feather of them, they can be used to developing visualization simulation engine. these algorithms also include the terrain texture generation algorithms and the frustum culling algorithms.

  这一章还介绍了地形纹理的生成算法，视图平截头体选取算法，这些算法使得计算机可以用来处理大规模的可视化工作。

• the difference of equilibrium features of cylinder, cone and frustum of a cone statically placed on a plane, is analyzed.

  以此为基础，分析计算了圆柱、圆台和圆锥体的静平衡裕度，并讨论了各几何参数的变化对平衡裕度的影响。

• if you look at the frustum from any side, you can view it as a two dimensional triangle - we will use this perspective to analyze the problem, as it allows us to deal with one axis at a time.

  从任何一个角度看这个锥截体，它都是一个二维三角形—我们将用这个透视法来分析这个问题。用透视法我们可每次只处理一个轴。

• in ancient babylonian mathematics, the expression of volume formula for the frustum of a square pyramid is much more complicated than its modern form.

  在古巴比伦数学中，正四棱台体积公式的表现形式和现代形式相比十分复杂。

• according to this difficulty, a kind of fast calculation method of satellite orbit-extract the orbits control points is put forward, and perspective frustum is combined to judge the orbits visibility.

  针对这一难点，提出了一种卫星轨道快速计算的方法-提取轨道的控制点，结合透视裁剪体来判断轨道的可见性。

• 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。

• it is necessary to consider the reasonableness of split and the quality of shadow image when drawing shadow based on the view frustum split in a large scale scenes.

  采用基于视截体分层的方法进行大规模场景阴影绘制时，需要考虑分层的合理性与阴影的图像质量。

• in addition, dynamical management of terrain dataset in view field was implemented effectively by visible detection based on the simplified view frustum and terrain data prediction strategy.

  此外，简化视见体的可见性判断和数据预取策略，实现可见数据的动态管理。

• a good organizational hierarchy can speed frustum and occlusion culling.

  一个好的结构可以加快视锥剔除和遮挡筛选。

• the viewing frustum has an origin(0,0) at the center of the screen, while screen coordinates have an origin at the upper left of the screen.

  视图锥截体的原点（，0）屏幕中心，而屏幕坐标的则在屏幕的左上角。

• a dissertation is made on the process and main points of the die design for extruding the hollow parts of the frustum type.

  本文论述了锥台形空心件挤压成形工艺和模具设计要点，给出了实用的模具结构。

• and then carries on frustum culling and collision detection and response based on it.

  在此基础上进行摄影机裁剪和物体的碰撞检测及响应。

• combining the feature of virtual scene and emulate application based on the scene graph, a new fast rendering approach was proposed based on view frustum culling algorithm and image caching algorithm.

  结合基于场景图构建的虚拟场景和仿真应用的特点，提出了一种基于视域剔除和图像缓存技术的复杂场景快速绘制方法。

• the procedure of primitives belongingness determining is speeded up using the fast view frustum culling technology of scene graph.

  利用场景图在视景体内的快速裁剪技术，有效提高图元的归属判断速度。

• the storage, look-up and view frustum culling of nodes in 3d scene are the key problems that affect the rendering efficiency in large scale scene.

  在大规模场景渲染过程中，场景中节点的存储、查找，以及视域剔除是影响渲染速度的重要因素。

• the line of intersection can be made with a general method when the cylinder and frustum of a cone are normal to each other.

  当圆柱与圆台正交时，其相贯线可用一般方法作出，但其正面投影和水平投影上相贯线的最右点不能準确定位。