地球科学进展 ›› 2002, Vol. 17 ›› Issue (4): 497 -501. doi: 10.11867/j.issn.1001-8166.2002.04.0497

研究论文 上一篇    下一篇

流域地理景观的GIS数据三维可视化
袁艳斌 1,2,张勇传 1 ,王乘 1 ,袁晓辉 1   
  1. 1.华中科技大学水电与数字化工程学院,湖北 武汉 430074;2.中国地质大学资源学院,湖北 武汉 430074
  • 收稿日期:2001-05-28 修回日期:2001-08-29 出版日期:2002-12-20
  • 通讯作者: 袁艳斌(1970-),男,湖北恩施人,博士后,主要从事地理信息系统和数字流域研究. E-mail: ybyuan@cug.edu.cn E-mail:ybyuan@cug.edu.cn
  • 基金资助:

    清江开发总公司“十五”重点科技攻关项目资助.

THREE-DIMENSIONAL VISUALIZATION OF GIS DATA ABOUT VALLEY GEOGRAPHICAL SIGHT

YUAN Yan-bin 1,2, ZHANG Yong-chuan 1, WANG Cheng 1, YUAN Xiao-hui 1   

  1. 1. College of Hydropower and Information Engineering, HUST, Wuhan 430074, China;2. Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China
  • Received:2001-05-28 Revised:2001-08-29 Online:2002-12-20 Published:2002-08-01

应用以"GIS"为核心的空间信息技术,是开展"数字流域"工程建设自然和最佳的选择。结合"清江流域水文水情与洪水演进仿真系统"的具体研制,分析流域地理数据特点及传统GIS在"数字流域"建设中的优缺点,在应用传统GIS二维方式展示形式管理和预处理先期各类基础流域地理空间数据及其相应属性数据的基础上,为满足仿真系统系列三维可视化要求,建立面向流域空间实体对象的数据模型,定义流域地理空间对象数据结构,将流域地理常规的GIS数据以三维形式展示,在实际的系统开发过程中,取得较好的三维可视化效果,并可满足"数字清江"建设各阶段综合处理、分析、评价、决策以及可视化等方面的需求。

Spatial information technology based on the “geological information system(GIS)” is the natural and best way for building “Digital Valley” engineering. Aiming at study and development of simulation system of flood routing and regimen and hydrology in Qingjiang River, this paper analyses valley's geological data feature and advantages and disadvantages of traditional GIS in “digital valley” engineering. In order to satisfy three-dimensional demands of simulation system, this paper addresses object-oriented spatial data model and data structure of valley's geographical entities based on traditional GIS which manages and deals with various previous basic geographical spatial data and attributes of valley in two-dimensional format, which displays valley geographical sight according to three-dimensional format, and satisfactory effect can be achieved in real study. This three- dimensional data format can meet various demands of “digital Qingjiang” engineering at various stage, such as integrated transaction, analysis, evaluation, decision-making and three-dimensional visualization.

中图分类号: 

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