A method for sharing interactive deformations in collaborative 3D modeling

Authors:
Hiroaki Nishino;Kouichi Utsumiya;Kazuyoshi Korida;Atsunori Sakamoto;Kazuyuki Yoshida
Affiliations:
Dept. of Computer Science and Intelligent Systems, Oita University, Oita 870-1192, Japan;Dept. of Computer Science and Intelligent Systems, Oita University, Oita 870-1192, Japan;Dept. of Communication, Oita Pref. College of Arts and Culture, Oita 870-0833, Japan;Dept. of Computer Science and Intelligent Systems, Oita University, Oita 870-1192, Japan;Dept. of Computer Science and Intelligent Systems, Oita University, Oita 870-1192, Japan
Venue:
Proceedings of the ACM symposium on Virtual reality software and technology
Year:
1999

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Abstract

This paper proposes a new approach to collaboratively designing original products and crafted objects in a distributed virtual environment. Special attention is paid to concept formulation and image substantiation in the early design stage. A data management strategy and its implementation method are shown to effectively share and visualize a series of shape-forming and modeling operations performed by experts on a network. A 3D object representation technique is devised to manage frequently updated geometrical information by exchanging only a small amount of data among participating systems. Additionally, we contrive a method for offloading some expensive functions usually performed on a server such as multi-resolution data management and adaptive data transmission control. Client systems are delegated to execute these functions and achieve “interactivity vs. image quality” tradeoffs based on available resources and operations in a flexible and parallel fashion.