Time spent culling objects outside the camera frustum.
摄像机视景外剔除对象花费的时间。
Unity will automatically cull objects outside the viewing frustum.
Unity会自动剔除视见平截头体之外的对象。
All vertices are clipped by the right plane of the viewing frustum.
所有顶点都被视图截锥的右平面所剪裁。
All vertices are clipped by the front plane of the viewing frustum.
所有顶点都被视图截锥的前平面所剪辑。
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。
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。
Together, the viewing Angle and the clipping planes define what is called the view frustum.
观察角度和切割面共同定义了视域。
The upper end of the adjusting screw (7) is provided with a frustum-shaped valve needle (6).
所述调节螺杆(7)的上端具锥台形阀针(6)。
To make use of these coordinates, we must first re-define them in terms of the visible area of the viewing frustum.
了利用好这些坐标，我们首先需根据视图锥截体的可视区重新定义它们。
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。
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准确定位。
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。
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。
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。
Finally, because the grids of center-asymmetric algorithm are similar to the result of view-frustum culling, our method avoided view-frustum culling before rendering.
中心不对称的算法构造的网格已经接近视锥裁减的结果，因此可以省略中心对称算法在绘制时进行视锥裁减的步骤。
One approach to the problem is to trigger a message telling them they have left the camera's tracking volume (though they technically may still be in the camera frustum).
这一问题的一种解决方法是触发一个消息，告诉他们他们已经离开相机跟踪范围(虽然他们在技术上可能仍然会在相机视图截锥)。
The calculation model of peak pressure was obtained and the diffraction and transmission effects of explosion shock wave on concrete frustum in shallow water were analyzed.
获得了迎爆面中心反射压力峰值计算模型；分析了两个装药浅层水中爆炸冲击波对混凝土墩绕射及透射作用效应。
Since we defined the frustum, we know the Angle at which the sides of the frustum meet - this is the field of view we used to create the projection matrix in the first place.
确定好锥截体，我们就知道锥截体顶角的大小—这是我们在第一个地方用来创建投影矩阵的视场。
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。
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。
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。
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。
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