TAN Xiao-jun,LAN Jian-ping.Three Dimensional Query and Analysis System of Soil Erosion Based on ArcGIS[J].Research of Soil and Water Conservation,2007,14(05):131-134.
基于ArcGlobe的水土流失三维查询分析系统
- Title:
- Three Dimensional Query and Analysis System of Soil Erosion Based on ArcGIS
- Keywords:
- soil erosion; GIS; levels of detail (LOD); huge data; three dimensional query
- 分类号:
- S157;P208
- 摘要:
- 在以往水土流失应用系统中，查询分析主要建立在二维地理信息系统的基础上。主要研究在三维数据模型基础上实现查询，利用层次细节水平（LOD）方法以及海量数据动态调度方法解决海量数据的提取、调度，以ArcSDE作为空间数据引擎来管理和高效访问空间数据，通过GIS组件实现三维数据的可视化。以此应用到湖北省水土保持综合查询系统中，结果表明系统能在三维模型基础上有效地对全省水土流失相关信息的查询统计。
- Abstract:
- In traditional soil erosion system,query and analysis were based on two dimensional(2D)Geographic Information System (GIS).Query and analysis based on three dimensional(3D)data mode and data visualization were introduced.The key issues,levels of detail (LOD) method,huge data scheduling,ArcGis spatial database engine (ArcSDE) for data approaching,accessing and management were described and applied to the soil and water conservation query system of Hubei Province.The result showed that the system could meet the need of query and analysis of soil erosion information about the whole province.
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备注/Memo
收稿日期:2006-8-31。
基金项目:国家自然科学基金项目（50309013）
作者简介:谈晓军（1972- ），男，博士，主要从事地理信息系统、空间数据库、三维仿真及虚拟现实研究。