Currently boundary representations (b-reps) are a convenient means to exchange solid models between applications (e.g., design, manufacturing, inspection) in a distributed/collaborative design environment. There are two widely used approaches that help maintain the consistency of b-reps between applications, e.g., when a b-rep is modified in one application and needs to be updated in the other. One approach involves using a common database of b-reps where consistency is automatically guaranteed. The other approach involves using a repeated transfer of the entire b-rep using ftp-like protocols. The former results in a system that is not truly distributed and the latter results in consuming large amounts of network bandwidth and unacceptable latencies. This paper seeks to alleviate the abovementioned disadvantages by introducing a scheme for the incremental exchange of b-reps (i.e., for incrementally updating a pre-edit model to be consistent with the post-edit model) between applications in a collaborative design environment. The significance of this work is that only parts of b-reps (not the complete b-rep), which have been edited, need be transferred to update b-reps at distributed locations thereby reducing network bottlenecks during collaborative design activities.
Dynamic Segmentation and Incremental Editing of Boundary Representations in a Collaborative Design Environment
Contributed by the Computer Aided Product Development (CAPD) Committee for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received Sept. 2001; revised manuscript received Oct. 2001. Associate Editor: D. Anderson, K. Lee.
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Wu, D., and Sarma, R. (October 1, 2001). "Dynamic Segmentation and Incremental Editing of Boundary Representations in a Collaborative Design Environment ." ASME. J. Comput. Inf. Sci. Eng. December 2001; 1(4): 320–329. https://doi.org/10.1115/1.1433485
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