Consistency Maintenance in Collaborative CAD Systems

作     者：LIU Huajun HE Fazhi ZHU Fuxi ZHU Qing 

作者机构：School of Computer Wuhan University Wuhan 430072 China State Kay Laboratory of Information Engineering in Surveying Mapping and Remote Sensing Wuhan 430079 China 

基　　金：^A国家重点基础研究发展计划(973计划)^B2011CB302306^D1 ^A国家自然科学基金^B61070078,41171311,41021061^D2 

出 版 物：《电子学报(英文版)》 (Chinese of Journal Electronics)

年 卷 期：2013年第22卷第1期

页      码：15-20页

摘      要：The difference between real-time CSCW systems and traditional distributed systems is that the for- mer one is supposed to provide a natural, free and fast interface for multi-user interaction. However, the typical multi-user interaction method applied in 3D CAD systems is strict consistency maintenance, such as locking mecha- nism and floor control, which may generate a stagnant and unnatural interface. This paper proposes a 3D semantic- based Operational transformation (OT) to support less constrained multi-user interaction and to achieve consis- tency in collaborative CAD editing (co-CAD) systems, and it can be used in many collaborative CAD/CAM indus- tries.

主 题 词：协同CAD系统 一致性维护 三维CAD系统 协同设计系统 用户交互 分布式系统 交互方法 地面控制 

学科分类：1305[艺术学-设计学类] 13[艺术学] 08[工学] 080203[080203] 081304[081304] 0802[工学-机械学] 0813[工学-化工与制药类] 080201[080201] 

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