Workspace awareness in relaxed WYSIWIS systems

Shin-Ting WuLuiz Gonzaga da Silveira Jr.

CoMo is a prototype of a collaborative 3D geometric modeling environment designed to support temporally and geographically dispersed work teams. In this environment the participants may work in different parts of the space and have distinct perspective viewing of the space. Maintaining workspace awareness becomes, therefore, much more difficult. In this paper we present graphics solutions that we adopted for enhancing the 3D workspace awareness in CoMo. We reused several individual awareness mechanisms provided by the MTK graphics library designed to single-user applications. Appropriate communication and distribution platform for coordinating individual actions was devised. The main contribution of this paper is to show how group awareness can be implemented by adequately reusing the existing individual awareness facilities.

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