| 网络环境下数据简化与数据调度的若干关键技术 |
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| 引用本文： | 王琪.网络环境下数据简化与数据调度的若干关键技术[J].地理与地理信息科学,2007,23(2):39-42. |
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| 作者姓名： | 王琪 |
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| 作者单位： | 中国地质大学信息工程学院,湖北,武汉,430074 |
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| 摘 要： | 网络环境下进行二维电子地图与三维虚拟场景集成,关键问题之一是数据快速、有效地传输与表达。为了解决网络电子地图与三维虚拟场景集成过程中数据快速传输问题,该文讨论了空间数据多级存储、网络数据流压缩、矢栅数据有机结合、纹理模型及原型模型库等网络传输瓶颈解决方案和模型数据简化方法,为后续网络电子地图和三维虚拟场景集成系统的开发奠定基础。
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| 关 键 词： | 虚拟现实 集成 多级存储 纹理模型 |
| 文章编号： | 1672-0504(2007)02-0039-04 |
| 修稿时间： | 2006年11月10 |
Some Key Technologies on Data Reduction and Data Management in the Network Environment |
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| WANG Qi.Some Key Technologies on Data Reduction and Data Management in the Network Environment[J].Geography and Geo-Information Science,2007,23(2):39-42. |
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| Authors: | WANG Qi |
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| Abstract: | The Geographical Information System(GIS) is facing increasing application requirement,with the mention of the new terms like CyberSpace and CyberCity.The technologies of GIS also have gone through reforms from 2D planet to 3D stereoscopic system.These reforms make the 3D visualization,audio etc.as core foundation of the system,and extend the way of information expression.This paper studies integration of 2D map and 3D virtual scene in the network environment and designs specific methods and propositions to settle a good deal of issues in the process of integration.It has great significance for perfecting the theory of GIS and the GIS industry development.For settling issues of data fast transmission in the process of integration of web electronic map and 3D virtual scene,the paper focuses on many kinds of schemes for alleviating network bottleneck and simplifying data complexity,such as:multilevel storage for spacial data,network data streaming compress,vector data and grid data integration,the way of textures modeling and the concept of prototype database of model etc.These would establish foundations for further researches. |
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| Keywords: | virtual reality integration multilevel storage texture modeling |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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