Design And Accomplishment Of Multisource Oriented Moving Object Integrated Situation Service System

With the rapid development of communication technology, internet technology and geography information technology, object-oriented situation service based on geography information system(GIS) has been focused and is widely applicated on national defence, emergency handle, salvaging and intelligent traffic control, etc. Meanwhile, since the difference between moving objects, situation data receiving systems and the data itself, different situation service systems are not compatible. The data from multisource cannot be integrative utilized. It is an urgent task to set up an integrated situation service for moving objects.On the background of moving objects monitoring and the need of integrated situation service system, this article discussed the development of situation service system, and proposed the architecture of the multisource-oriented situation service system. Beyond this, the prototype of integrated situation service plat and a google-earth-based situation application terminal are accomplished.The following technology of moving object monitoring and situation service are discussed in this article:1. System architecture and support technology of integrated situation service system:including system architecture, database, middleware, plug-in developing and GIS developing.2. Multi-task and Multi-user oriented situation service:including situation object modeling, object management, task management, user management, integrated situation data access.3. Google-Earth-based situation display:including redeveloping on Google Earth COM API, KML developing, object-oriented display of complex situation.