时态GIS与工作流技术在城镇地籍管理中的应用
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摘要
随着我国经济建设的高度发展和土地使用制度改革的不断深入,城市化发展越来越快,城镇化地发展催生着城镇用地的扩张。在城市化进程中,如何合理地规划、节约地用地、科学地管理直接关系到人类能否可持续发展。地籍管理工作作为土地管理工作的基础,在如何组织、存储管理海量的地籍时空数据,进行日常的数据维护与更新,更好地进行历史地籍数据的查询与未来土地利用趋势的预测等方面,传统的地籍管理系统都显得越来越力不从心。而伴随着GIS技术的发展,时态GIS技术能够很好地实现地籍数据存储、管理及其对历史信息的回溯,实现对地籍时空信息的跟踪分析,也是当前地籍管理工作的趋势所在。而在土地管理日常工作流程方面,传统的低效的单纯的“人与人”的工作模式在社会快速发展与科技逐渐地显得越来越笨拙。随着计算机技术与网络技术的发展,人们渴望着能够将工作尽可能地在网络上完成,减少人与人传递过程中所浪费的时间和精力,也减少不必要的纸质资料过程,最终达到高效、方便、快捷的网上自动化办公。工作流技术在这种背景中得以出现,工作流技术与时态GIS技术的无缝集成,更是地籍管理部门的需要,也是将来地籍管理能够实现科学高效管理的基础。
本文在总结分析前人对时态GIS与工作流技术研究的内容基础之上,结合当前地籍管理的实际情况,以本科和研究生生活中所学的理论知识为基础,将地籍管理工作中的时态GIS问题与工作流技术的关键作了自己的探讨与分析,并应用在国土部门实习时所做过的工作实例,完成对时态GIS与工作流技术在地籍管理中的无缝集成的原型系统的开发。其研究的主要内容有以下三个方面：
(1)以北碚区地籍数据为数据库中的数据,构建一个易于操作、高效的时空地籍数据库；
(2)在分析工作流管理系统的原理与方式后,建立了地籍管理的工作流模型；
(3)设计建立城镇地籍管理信息系统。
本文首先论述了时态GIS与工作流技术的概念、发展情况以及对其在日常的交通、水利、土地、城市规划、人口等领域的应用情况与所存在的关键问题,总结时态GIS技术与工作流技术的发展历史、现状及其发展趋势,并在相应的理论基础之上,着重探讨了时态GIS中所涉及到的时空数据模型,特别是针对基态修正模型及其扩展模型作了深入的分析。在此之上,从数据库设计的步骤——概念设计、逻辑设计、物理设计等方面进行分析建立了地籍时空数据库。其次详细分析了时态GIS技术在地籍管理工作中的作用,并与工作流技术结合起来,根据地籍管理工作的实际情况,探讨并构建了城镇地籍管理工作中的工作流模型。最后以设计好的北碚城镇地籍数据库为数据依据,以构建一个时态地籍管理信息系统原型为例,对上述的研究作进一步的验证,并采用了组件式开发方法,以ESRI公司的ArcObjects控件和SQLServer数据库为平台,使用ArcSDE作为地籍时空数据库引擎,在VB6.0的开发环境下,实现现状数据的查询分析、历史数据的归档、以及现状数据与历史数据的跟踪分析。从实验的结果表明,本文所提出关系型数据库为基本存储工具,以ArcSDE的数据存取模式为接口,并结合时态GIS技术与工作流技术所构建的城镇地籍管理信息系统,能够有效地降低数据的冗余,真实而形象地表达了地籍数据的时空性,办公自动化的高效性,是一种值得推广并进一步去研究的方法。
With the high development of economic construction and the deepening reform of land using system, urbanization increased rapidly, and brought about the expansion of urban land. In the process of urbanization, how to plan rationally, save land resources, manage land resources scientifically is directly related to the sustainable development of human. As the basis of land management, cadastral management is very important. In these aspects that how to organize and manage massive cadastral data, updating and maintaining data, inquiring the historical cadastral data, and forecasting the trends of land use in future, the traditional cadastral systems become increasingly powerless. With the development of GIS technology, TGIS can implement to storage and manage cadastral data, inquire the historical cadastral data, and realize to track and analyze the cadastral data. It will become the trend of cadastral management. In daily work of land management, for the rapid development of science and technology in society, the traditional, inefficient and simple "people to people" work pattern gradually becomes more and more awkward. With the development of computer technology and network technology, people eager to that can complete work in the network as much as possible, to reduce the waste the time and energy in the course of human transmission, but also to reduce unnecessary paper-based information process. And it can be formed an efficient, convenient, fast online automated office ultimately. Thus, workflow technology appeared in this context. To make seamless integration between workflow technologies and TGIS technology, it is the need of cadastral management and also is the basis of realize to manage cadastral data scientifically and efficiently in the future.
Based on summarizing and analyzing previous work on TGIS and workflow technology, combined the current situation of cadastral management and the theoretical knowledge which was study in undergraduate and graduate, this paper discussed and analyzed TGIS technology and workflow in cadastral management. And by using the practice examples that did in the land department, the exploitation of prototype system that TGIS and workflow technology in cadastral management seamlessly is work done. The main content of the research have three areas:
(1)Build an operating easier, efficient spatial and temporal cadastral database based on the cadastral data of Beibei.
(2) Establish workflow model of cadastral management by analyzing the principles and methods of Workflow Management System.
(3) Design and found cadastral information management system.
First, this paper discusses the concept and development of TGIS and workflow technology, as well as their application in daily transport, water, land, urban planning, population and other areas, and the existed key issues. To conclude their development history, current status and development trend, and based on corresponding theoretical basis, this paper focused on probing the spatial and temporal data model involved in TGIS, especially making a depth analysis of the ground state correction model and the extended model. On top of that, this paper analyzed the steps of the database design-conceptual design, logical design, physical design, and established the temporal cadastral database. Followed by a detailed analysis of the role of TGIS technology in cadastral management, and combined with the workflow technology and actual situation of cadastral management work, this paper explored and builds the workflow model in Cadastral Management. Finally, taking the cadastral data of Beibei as data basis, there is founded a temporal cadastral information system to verify the research on the above. It implement that status data's query and analysis, historical data's archiving, as well as tracking analysis of status data and historical data, by selecting component development method, using ESRI's ArcObjects control and SQLServer database as a platform and using the ArcSDE as the engine of spatial and temporal cadastral database, and in VB6.0 development environment. The experimental results show that the cadastral management information system which is built by taking proposed relational database as the basic storage tools, taking ArcSDE data access model as interface, and combining with TGIS technology and workflow technology, can effectively reduce data redundancy, and express the spatial and temporal nature of cadastral data and high efficiency of office automation truly and image. This is a valuable way to study further.
本文在总结分析前人对时态GIS与工作流技术研究的内容基础之上,结合当前地籍管理的实际情况,以本科和研究生生活中所学的理论知识为基础,将地籍管理工作中的时态GIS问题与工作流技术的关键作了自己的探讨与分析,并应用在国土部门实习时所做过的工作实例,完成对时态GIS与工作流技术在地籍管理中的无缝集成的原型系统的开发。其研究的主要内容有以下三个方面：
(1)以北碚区地籍数据为数据库中的数据,构建一个易于操作、高效的时空地籍数据库；
(2)在分析工作流管理系统的原理与方式后,建立了地籍管理的工作流模型；
(3)设计建立城镇地籍管理信息系统。
本文首先论述了时态GIS与工作流技术的概念、发展情况以及对其在日常的交通、水利、土地、城市规划、人口等领域的应用情况与所存在的关键问题,总结时态GIS技术与工作流技术的发展历史、现状及其发展趋势,并在相应的理论基础之上,着重探讨了时态GIS中所涉及到的时空数据模型,特别是针对基态修正模型及其扩展模型作了深入的分析。在此之上,从数据库设计的步骤——概念设计、逻辑设计、物理设计等方面进行分析建立了地籍时空数据库。其次详细分析了时态GIS技术在地籍管理工作中的作用,并与工作流技术结合起来,根据地籍管理工作的实际情况,探讨并构建了城镇地籍管理工作中的工作流模型。最后以设计好的北碚城镇地籍数据库为数据依据,以构建一个时态地籍管理信息系统原型为例,对上述的研究作进一步的验证,并采用了组件式开发方法,以ESRI公司的ArcObjects控件和SQLServer数据库为平台,使用ArcSDE作为地籍时空数据库引擎,在VB6.0的开发环境下,实现现状数据的查询分析、历史数据的归档、以及现状数据与历史数据的跟踪分析。从实验的结果表明,本文所提出关系型数据库为基本存储工具,以ArcSDE的数据存取模式为接口,并结合时态GIS技术与工作流技术所构建的城镇地籍管理信息系统,能够有效地降低数据的冗余,真实而形象地表达了地籍数据的时空性,办公自动化的高效性,是一种值得推广并进一步去研究的方法。
With the high development of economic construction and the deepening reform of land using system, urbanization increased rapidly, and brought about the expansion of urban land. In the process of urbanization, how to plan rationally, save land resources, manage land resources scientifically is directly related to the sustainable development of human. As the basis of land management, cadastral management is very important. In these aspects that how to organize and manage massive cadastral data, updating and maintaining data, inquiring the historical cadastral data, and forecasting the trends of land use in future, the traditional cadastral systems become increasingly powerless. With the development of GIS technology, TGIS can implement to storage and manage cadastral data, inquire the historical cadastral data, and realize to track and analyze the cadastral data. It will become the trend of cadastral management. In daily work of land management, for the rapid development of science and technology in society, the traditional, inefficient and simple "people to people" work pattern gradually becomes more and more awkward. With the development of computer technology and network technology, people eager to that can complete work in the network as much as possible, to reduce the waste the time and energy in the course of human transmission, but also to reduce unnecessary paper-based information process. And it can be formed an efficient, convenient, fast online automated office ultimately. Thus, workflow technology appeared in this context. To make seamless integration between workflow technologies and TGIS technology, it is the need of cadastral management and also is the basis of realize to manage cadastral data scientifically and efficiently in the future.
Based on summarizing and analyzing previous work on TGIS and workflow technology, combined the current situation of cadastral management and the theoretical knowledge which was study in undergraduate and graduate, this paper discussed and analyzed TGIS technology and workflow in cadastral management. And by using the practice examples that did in the land department, the exploitation of prototype system that TGIS and workflow technology in cadastral management seamlessly is work done. The main content of the research have three areas:
(1)Build an operating easier, efficient spatial and temporal cadastral database based on the cadastral data of Beibei.
(2) Establish workflow model of cadastral management by analyzing the principles and methods of Workflow Management System.
(3) Design and found cadastral information management system.
First, this paper discusses the concept and development of TGIS and workflow technology, as well as their application in daily transport, water, land, urban planning, population and other areas, and the existed key issues. To conclude their development history, current status and development trend, and based on corresponding theoretical basis, this paper focused on probing the spatial and temporal data model involved in TGIS, especially making a depth analysis of the ground state correction model and the extended model. On top of that, this paper analyzed the steps of the database design-conceptual design, logical design, physical design, and established the temporal cadastral database. Followed by a detailed analysis of the role of TGIS technology in cadastral management, and combined with the workflow technology and actual situation of cadastral management work, this paper explored and builds the workflow model in Cadastral Management. Finally, taking the cadastral data of Beibei as data basis, there is founded a temporal cadastral information system to verify the research on the above. It implement that status data's query and analysis, historical data's archiving, as well as tracking analysis of status data and historical data, by selecting component development method, using ESRI's ArcObjects control and SQLServer database as a platform and using the ArcSDE as the engine of spatial and temporal cadastral database, and in VB6.0 development environment. The experimental results show that the cadastral management information system which is built by taking proposed relational database as the basic storage tools, taking ArcSDE data access model as interface, and combining with TGIS technology and workflow technology, can effectively reduce data redundancy, and express the spatial and temporal nature of cadastral data and high efficiency of office automation truly and image. This is a valuable way to study further.
引文
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