Research And Analysis Of The Auxiliary System For The Production Of Urban 3D Model Of A Surveying And Mapping Institute

This thesis,which is based on the production practice experience,introduces the research background,significance of the project,the current status of research and application on the system,and identifies the research objectives,main work and research contents.In the business analysis,the existing problems of the organization,the structure of the organization,the business processes are analyzed in this thesis,and based on the analysis of the services provided by the organization,the business use case is obtained,and the system is introduced to improve the business process.In the function analysis,through the use case analysis and use case descriptions,this research identifications of the system functions,and concludes the system function package diagram and sub-function package diagrams.In the data analysis,based on the use case specification,this research extracts three kinds of graph supporting systems,analyzes the data needed by various functions,and constructs the entity class diagram and the structure of database tables.At last,this research analyzes the process of study,summaries existing problems,and provides prospects on further studies.