Assembly-oriented Model Of Collaborative Browsing, Annotation, Query Technology Research

Development of a new product often requires to collaborative design and group decision of across enterprise, space and subject.The collaborative view, markup and query of a three dimension model are base tools of processing long-distance collaborative work. Simulating the nature attributes of collaborative work for the expert groups in network environment can shorten development periods. This thesis focused on expression of the model information, collaborative view and markup, data communication on network, long-distance exact query.Based on analyzing implement technology of the collaborative view, markup and query, the main research contents and creative ideas of the thesis as follows:Firstly, a new method of model expression that can express geometry, feature and assembly mating conditions is proposed.Secondly, a system frame based on B/S and the plug-in transaction server groups is proposed. It implemented collaborative viewing and markup of three dimension model through Java Applet and Java 3D technologies.Thirdly, researching data communication on network, data communication with socket and HTTP protocol is proposed. Reliability, real time, concurrency of message and model data is ensured.Fourth, a new composite query method of local and long-distance, information of feature and geometry based on long-distance service of the CAD software are implemented.Fifth, a simple managing function of meeting is implemented, including meeting invite using Java Mail package, meeting replay sending message again.The system of the collaborative view, markup and query face assembly part is implemented at the end of this thesis.