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三维地形实时绘制
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  “三维地形实时绘制”译为未确定词的双语例句
     Research and Implementation on Real-time Rendering Technology of Large Scale Terrain
     大规模三维地形实时绘制关键技术的研究与实现
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     The realization of ROAM algorithm for large-sized 3D terrain rendering in digital regional geological survey
     数字区调中大型三维地形实时绘制方法的实现
短句来源
     In this paper, we discussed the mechanism and procedure of real displaying of 3D topography.
     本文探讨了在OpenGL环境下三维地形实时绘制显示的机制及过程。
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  相似匹配句对
     The Real-time Rendering and Walkthrou gh of 3D Terrain
     三维地形实时绘制与漫游
短句来源
     Studying on Three-Dimension Visualization and Real-Time Rendering of Terrain
     地形三维可视化及其实时绘制技术研究
短句来源
     Study on Real-Time Terrain Rendering
     实时地形绘制算法研究
短句来源
     A Survey of Real-time Terrain Rendering Algorithms
     实时地形绘制算法综述
短句来源
     A Simple and Efficient Algorithm for Real-Time Rendering of Large Scale Terrain
     大规模地形实时绘制算法
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The real displaying technology of 3D topography is a key technology for Virtual Reality (VR), but also is a important element of Geography Information System. In this paper, we discussed the mechanism and procedure of real displaying of 3D topography. Moreover, we also discussed the main two methods of drawing and displaying of it. At the same time, a specific example of drawing the 3D topography using the previously method is given.

地形的三维实时显示技术是虚拟现实(VR)的一项关键技术,也是地理信息系统(GIS)的重要组成部分。本文探讨了在OpenGL环境下三维地形实时绘制显示的机制及过程。在此基础上,给出了三维数字地形交互显示的两种主要方式及实现方法。并给出了具体的绘制实例。

It is well known that the topography is the most complicated object in nature. With the development of GIS technology, the 3D rendering of topography is becoming one of the most important research areas today because the 3D digital topography is a very important part of GIS. At the same time, 3D digital topography is also a key technology of VR(Virtual Reality). However, it is a difficult task to bring this key technology into effect because large quantities of data have to be coped with. These data mainly...

It is well known that the topography is the most complicated object in nature. With the development of GIS technology, the 3D rendering of topography is becoming one of the most important research areas today because the 3D digital topography is a very important part of GIS. At the same time, 3D digital topography is also a key technology of VR(Virtual Reality). However, it is a difficult task to bring this key technology into effect because large quantities of data have to be coped with. These data mainly include data of topography and data of topographic surface features. There is no doubt that creating a real-time, interactive, vivid topographic environment using these spatial geographic data in computer is a very complicated work. Fortunately, with the development of computer technology, we can easily draw it in common computer with OpenGL. In this paper, we briefly discussed the technology of drawing 3D graphics and the solid view of digital topography as well as the mechanism and procedure of real displaying of 3D topography. Using this technology, we can easily render a 3D digital topography in a common computer. We also discussed two methods of realizing the dynamic view of topography, one is the viewpoint fixing with object-point moving. In fact, in many cases, in order to better understand the topography, we need to observe the 3D digital model along a selected routing. So we can use another method of dynamic view, that is object-point fixing with viewpoint moving. A specific example of drawing the 3D digital topography using the previously method is given.

地形是自然界的复杂形体,地形三维显示技术是地理信息系统(GIS)的重要研究领域及其组成部分。同时,地形的三维实时显示也是虚拟现实(VR)的一项关键技术,而虚拟地形环境面临的是巨量地形数据和地面特征数据。利用这些地理空间数据建立一个逼真、实时、可交互的地形环境是一项复杂的工作。本文介绍了OpenGL的特点及OpenGL图形绘制的基本技术在OpenGL环境下,三维地形实时绘制显示的机制及一般过程。探讨了OpenGL立体图形动态显示的两种主要方式,即:视点固定目标移动和目标固定视点移动。同时给出了具体的绘制实例。

The real-time rendering and walkthrough of three dimensional te r rain ha s wide application area, and it can be observed in different view interactively by walkman. This paper presents the study and implementation of a real-time wa l kthrough system with personal computer . It adopts a real-time rendering algor i t hm based on overlay techniques .The system implemented the stereoscopic display and a convenient user interface . The system can naturally reach a balance betwe en the quality of the image and the...

The real-time rendering and walkthrough of three dimensional te r rain ha s wide application area, and it can be observed in different view interactively by walkman. This paper presents the study and implementation of a real-time wa l kthrough system with personal computer . It adopts a real-time rendering algor i t hm based on overlay techniques .The system implemented the stereoscopic display and a convenient user interface . The system can naturally reach a balance betwe en the quality of the image and the speed of the rendering .

三维地形的实时绘制与漫游有着广阔的应用前景,它能够交互式地从各个不同的角度更形象更直观地展示三维地形,具有很大的实用价值。这里介绍了三维地形的实时绘制与漫游在PC机上的研究与实现,本系统采用了基于层面叠加的场景绘制技术,实现了立体视觉,同时还提供了方便的交互工具,使整个系统的实时性和画面的真实感程度都达到了较高的水平。

 
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