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供水管网遗产地理信息系统的快速重构研究与实现 被引量:2
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作者 李秀梅 陶陶 刘宪斌 《中国给水排水》 CAS CSCD 北大核心 2012年第7期52-55,共4页
供水管网遗产地理信息系统中存在大量的地理数据和领域规则,为了充分利用这些资源,能够有效地移植功能和数据,缩短开发周期,快速重构系统是最佳选择。着重介绍了一个快速重构框架,并详细阐述了该框架的3个关键组件能快速、有效地对遗产... 供水管网遗产地理信息系统中存在大量的地理数据和领域规则,为了充分利用这些资源,能够有效地移植功能和数据,缩短开发周期,快速重构系统是最佳选择。着重介绍了一个快速重构框架,并详细阐述了该框架的3个关键组件能快速、有效地对遗产数据进行移植和重建的过程。该框架是一个基于管线网领域分析的框架模型,采用的是一种典型的层次化体系结构,与面向对象技术相结合,为供水管网遗产地理信息系统的快速重构提供了一个良好的体系结构基础。供水管网遗产地理信息系统可通过系统环境配置、数据结构及系统功能的重构等步骤快速生成一个结构和功能相对完善的新系统,在一定程度上实现了数据和功能的共享和互操作,这对于"数字城市"建设将起到积极的推动作用。 展开更多
关键词 供水管网 遗产地理信息系统 重构 框架
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GIS island Knowledge: Documenting and Managing Catania's Historic Urban Heritage
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作者 Mariateresa Galizia Cettina Santagati 《Journal of Civil Engineering and Architecture》 2012年第8期1014-1020,共7页
The present study shows the results of a research aimed at the knowledge of the significant features of Catania's urban environment. The complexity of the different features of the city, the several scales of represe... The present study shows the results of a research aimed at the knowledge of the significant features of Catania's urban environment. The complexity of the different features of the city, the several scales of representation, the multi-dimensional objects and the historical, anthropic, formal relations have produced different kinds of information requiring a flexible instrument that is able to transcribe images, charts, texts and symbols in a single model of representation. In the perspective of creating a fundamental cognitive framework, the research team paid attention at drawing up a GIS (Geographic Information System) for documenting and managing historic urban heritage. The idea is to have a structure able to collect data like a logic archival system or an open database, which can immediately be consulted and constantly implemented. Indeed, the aim of this GIS is to organize, manage, query and visualise the peculiar aspects which characterize Catania's architectures. Thanks to multi-directional "access-windows" it is possible to navigate through its contents (texts, drawings, 3D rendering, pictures, historical documents). The system will also allow the integration of several documents in a common geo-database up to visualise the most meaningful details. Its use could assure suitable proposals of urban transformations and coherent plans in using and/or managing heritage goods for a sustainable city development. 展开更多
关键词 Urban and architectural heritage GIS SAFEGUARD knowledge.
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