Study On Topological Spatial Relationship And Spatial Reasoning In Geographic Information System

GIS (geographical information system) has been widely used in many fields, such as resource research, evaluation, management and inspection; city management, programming, and city engineering administration management, special decision, disaster evaluation and forecast, geographical management and utilization, and traffic, agriculture, public security, etc. With the maturity of software of the desktop GIS, information management system's visibility has become a trend by using the spatial information handling capability of GIS. The unique spatial data handling capability and non-replaceable of GIS, made it become an important technology and solution that has spatial data characteristic and GIS has become one of the most important information system. Academy and engineering circles have paid more attention on the development of GIS. Relatively, the development of spatial analytical function of GIS is slow. Meanwhile, the spatial target location, attribution expression and complex spatial relation expression between targets put the foundation of spatial analyses. In order to improve the capability of spatial analyses, we must find a solution which can accomplish the description and expression of spatial relationship. Therefore, the study of spatial topological relationship has become a hot point in the research of GIS. In recent years, spatial reasoning has great development, at the same time it promote the development of GIS which has become the most widely and mature application domain of spatial reasoning. Hence, the study of the spatial relationship and reasoning have important academic and practical scene in advancing the development of GIS.This paper used spatial reasoning method in spatial relational analysis by studying the center problem of GIS-spatial topological relationship. In the foundation of complex reasoning of topological relationship and directional relationship, the paper gave a topological relationship qualitative Reasoning method using topology and direction.Firstly, the thesis introduced GIS and the basic conception, investigation background and contend and actuality of spatial reasoning, confirm the related study fields of the thesis.Secondly, the paper concretely introduced the topological spatial relationship and spatial reasoning, especially, it gave the contend, theory dependents and the study method of spatial qualitative reasoning. On the other hand, the thesis provided the method that put the spatial reasoning into topological spatial relational analytical study. Further, the paper put the spatial reasoning in practical use of topological relational analysis. The complex and hierarchy reasoning used in topological reasoning was introduced into the analysis of directional spatial relationship. For the first time, the paper gave the ideasthat use the complex reasoning which combine the topology and direction to process the further topological reasoning and discuss the related rules.Finally, the paper built an archetypal system which combines the topological complex reasoning and directional complex reasoning. And validate the correctness of the system and its related reasoning rules in practical aspect...