A Study And Practice Of The Processing Technology Of Basic Geographic Information

With the proliferation of the different kinds of geographic information data and the different data formats of different GIS softwares, and government, business enterprise and military sections bear more and more pressure. How to fuse these resources from different way and dispose them to get new fitble data is one of main important problems to these units managing and using data. This paper discusses the basic conception of basic geographic information fusion and disposal,the background and intention and significance of the basic geographic information fusion and disposal system. According to the study of the share and data model of basic geographic,this paper brings forward and carry out the fitble structure of military geographic information data model,and studies the correlative teconologies of basic geographic data fusion and disposal,and designs the frame of basic geographic information disposal system. At last ,this paper carries out some correlative methods and application. It includes something given below:(1) Introduces some of theories about basic geographic information and traditional models of basic geographic information., Compares the merits and shortcomings between these models. Analyzes the characteristics of the military basic geographic information data model, Builds a fitable spatial data structure for the basic geographic information of military.(2)Analyzes the methods of the basic geographic information fusion,according to the characteristic of models of military and commercial vector,and brought forward the process and method of the fusion , and disposal of the basic geographic information,checks and analyzes the geometry precision of reference frame exchanged data .And studies some pertinent arithmetic.(3)Studies the data disposal of fused data,brings forward the contents and methods of basic geographic information data topology checking,and classifies the topology information of data check.(4)Combine physically, Carries on the concrete realization according to the above theories and method...