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农用地估价信息系统设计与实现

Design and Implementation of Agricultural Land Appraisal Information System

【作者】 李芳芳

【导师】 郝晋珉;

【作者基本信息】 中国农业大学 , 土地资源管理, 2003, 硕士

【摘要】 随着农用土地资源的资产化管理的需求与城乡土地市场一体化的推进,农用地估价越来越受到重视,因此开发兼具通用地理信息系统功能和农用地估价专业模型功能的农用地估价信息系统具有重要的现实意义。 对农用地估价理论和当前农用地估价方法进行了的理论分析与方法总结,为本系统的设计与实现提供了理论基础和方法依据。 在系统设计中引入工作流概念,结合农用地估价的实际流程运用实体关系模型法与数据流程分析法对系统进行总体设计,在具体的功能模块设计中对每一种估价方法关键步骤与特殊算法进行分析,特别在权重计算方法、因素标准化、总分值计算等重要步骤中引入统计学与模糊数学计算方法,使估价方法更具有客观性。 通过对目前开发模式的比较分析选取组件式集成二次开发方法,在分析了GIS技术与专业模型结合方式的基础上,以改进方法为主要目的完成了GIS技术与估价计算模型的结合。选取高级开发语言Visual Basic 6.0嵌入SuperMap组件完成具体开发过程。 实例研究以黄淮海平原曲周县为例,在农用地估价系统中建立土地资源空间数据库与属性数据库,在专业分析与计算模块中完成了曲周县农用地价格定量化评估,对系统进行了检验与修正。

【Abstract】 As the capitalization of resources management and the consolidation of the city land market and county land market, the agriculture land appraisal has received much attention. Therefore, it is a great significance to develop a system with geography space analysis and specialty model function.The Agriculture Land Appraisal system acquires its theory and method foundation by integrating correlation theories and summarizing the practice experience of applying these methods.By using work-flowing concept, the system has be designed by analyzing its working flow in fact with entity-relation model and data flow methods. By analyzing every methods and finding their key steps the modules is designed. For calculating the weights, the factor’s standardization, and the scores the statistics and fuzzy mathematics methods are imported. Thus the method is more objective.Comparing the development methods of GIS at present, Actives models integrated second development method is selected. The combination of specialty model and GIS technology is finished by the innovative method. Then, the system is realized by embedding the SuperMap Actives into Visual Basic 6.0.By using QuZhou County as a sample area, the space database is established. Then by data-inputting the cruising data and experimental data, the attribute database corresponding is established. Therefore using specialty analysis and calculate modals, the Agriculture Land Appraisal of QuZhou county is finished step by step. In the course of application, the system has be verified and modified.

  • 【分类号】F301.3
  • 【被引频次】4
  • 【下载频次】173
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