The Implementation Of Multi-user Roam System Based On Web

With the rapid progress of computer network technology, technologies based on Web have been a trend in many scientific fields. As 3D demand is growing on Internet, VR has been promoted to networking distributed system from a single computer system. On account of the information supplied by 3D virtual scene is more ocular, complicated and diversiform than 2D scene, therefore, there is a fast development of VR systems on the internet such as virtual shop, virtual community and virtual teaching, etc.So far, VRML is regarded as a popular ideal tool for creating and displaying virtual scene, however, it doesn't support MUVE itself. Now, only human-computer interaction can not satisfy the requirement of users, hence developing a human-human interaction environment on Internet has been one of the important branches of computer application.JSAI, an interface of using Java to control VRML scene, helps to communicate events between VRML and Java. Visible human is also a leading research field of the world nowadays. A virtual digital human museum on the Web for multi-user roam can be realized by its research fruit and JSAI.The meaning and development status of MUVE is summarized at first. We give an outline of some key technologies for implementing the system, analyze their characters and advantages. Then a framework of multi-user roam system of B/S architecture based on Web is presented according to the demand of digital human experience zone. The software conditions, hardware conditions, the structure and work flow of server and client, and even the communication mechanism are depicted in detail. The main task of this thesis is the implementation of 3D scene, server and client, and design of communication data, so they are illuminated as an emphasis. The feasibility can be testified by the result showed after. Users are allowed to communicate with each other within the virtual scene online simultaneously. Finally, a brief summary for the research work and the problems need to be studied in the future are given.