an application of discrete ray tracing to 3d rendering of petroleum geology structures

the research of 3d rendering technology on different types of gem

不同类型玉石材质3D渲染技术研究

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the system consists of the following modules: data generating, data loading, engine initialization, 3d rendering, 3d animation control, message processing, engine destruction.

该引擎主要由以下几个模块构成：数据生成，数据载入，引擎初始化，三维渲染，三维动画控制，消息处理，引擎销毁。

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by this way, a blade holder is formed which is attached on the horizontal shaft by a set screw ( not by nuts ).

这样，刀片的持有人是形成现附上上醒目的轴由一套螺钉（而不是由坚果）。

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rotodynamic pumps. forces and moments on flanges. horizontal shaft centrifugal and mixed flow pumps.

转子动力泵.法兰盘受力和力矩.卧轴离心泵和混流量

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the invention provides a horizontal shaft type rotary machine capable of simply feeding oil into thrust bearing devices.

本发明提供一种能够简易地进行向推力轴承装置的供油的横轴式旋转机。

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this article presents a two-pass algorithm to render the scene including participating media, and this algorithm is an expansion of the rendering to solid objects with photon mapping.

本文依据光子映射对实体物体的渲染，将其扩展到对包含参与介质的场景的渲染，为此提出了一个两路的渲染算法。

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photon mapping based on noise-reduced photon maps.

基于去噪光子图的光子映射。

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rendering participating media using photon mapping

使用光子映射渲染参与介质

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hc casting factory existing production equipment : 88t zinc alloy hot cell die-casting machine 2;

压铸工厂现有生产设备：88T锌合金热室压铸机2台；

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programme for hot cell shielding with gamma point sources

对点状γ射线源热室屏蔽的检验程序

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standard guide for general design considerations for hot cell equipment

热室设备通用设计考虑指南

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standard guide for mechanical drive systems for remote operation in hot cell facilities

高放射性物质工作屏蔽室中远程操作用机械驱动系统的标准指南

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finally, the typeface edge should be trimmed. the experimental results indicate that, this algorithm improves the rasterization quality of small curve-outlined fonts, greatly reduces the equipment memory demand, and enhances the typeface demonstration speed.

实验结果表明，本算法提高了小曲线轮廓字体的字形显示质量，降低了对设备的内存需求，提高了字体的显示速度。

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the perennial mean air temperature and annual temperature anomaly can be used to rasterize annual air temperature data. this method will result in less analysis and computation but lower precision compared with the rasterization using annual mean air temperature data only.

利用多年平均气温数据和年平均气温的距平值进行气温数据的栅格化，虽然可以减少分析和计算量，但栅格化结果的精度比利用年平均气温数据直接进行栅格化的精度要低。

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then we introduced the basic methods currently used for rendering: from in pursuit of quality, the off-line ray tracing methods, to in pursuit of speed, the traditional rasterization pipeline.

然后介绍了目前用来渲染的基本方法。从追求渲染效果的离线光线跟踪渲染，到追求渲染速度的传统光栅化渲染管线。

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in the traditional geographical information system, the vector to raster conversion is a fundamental issue, and the rasterization of vector polygons has to a most in-depth study.

在传统的地理信息系统中，矢量数据栅格化是一个最基本的问题，并以矢量多边形的栅格化研究最为深入。

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this is primarily in font and graphics rasterization.

这些主要集中在字体及图形光栅部分。

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the interactive extraction of raster element and rasterization of vector becomes the kernel of this technique.

光栅图元的交互提取和矢量图形的光栅化过程是这一技术的核心。

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studying raster data vectorization and vector data rasterization.

研究栅格数据矢量化和矢量数据栅格化方法。

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comparison on methods for rasterization of air temperature data

气温数据栅格化的方法及其比较

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