面向对象的地质灾害数据模型与时空过程表达

基金项目: 国土资源部公益性行业科研专项资助项目(201211055-8); 中央高校基本科研业务费专项资助项目(CUGL090235)

详细信息

Object-oriented Geological Disaster Data Model and Spatio-temporal Process Expression

¹Faculty of Information Engineering,China University of Geosciences,388 Lumo Road,Wuhan 430074,China

Funds: 国土资源部公益性行业科研专项资助项目(201211055-8); 中央高校基本科研业务费专项资助项目(CUGL090235)

摘要: 从地质灾害防治管理的角度出发,分析了地质灾害现象及其数据特征,提出了一种一体化的面向对象时空数据概念模型,由空间要素模型、空间实体模型及时空对象模型组成。以此数据模型为基础,通过分析地质灾害时空变化过程,设计了一种有效的对象状态存储和时空过程表达机制,对地质灾害时空对象生命周期中各阶段的状态进行统一的表达。
- 面向对象 /
- 地质灾害 /
- 时空数据模型 /
- 时空过程
Abstract: From the point of view of the geological disaster prevention and management,an integrated object-oriented conceptual model for spatial-temporal data was proposed consistent with phenomenon ological and data characteristics of geological disasters.This model is composed of three parts,including a spatial feature model,a spatial entity model and a spatial-temporal object model.Applying this model,a unified mechanism for object state storage and spatial-temporal process expression were designed to effectively describe the status of spatial-temporal objects in geological disasters at different stages of their life cycle.
- object-oriented /
- geological disaster /
- spatio-temporal data model /
- spatio-temporal process