Séquencement d'actions en environnement virtuel collaboratif

Abstract : We are interested in the problem of the specification of the sequencing of actions in collaborative virtual environments. It is about defining, then controlling what must or can occur during the simulation in a potentially multi-user context. It is done, partly by the specification (and the execution) of a set of possible scenarios during a simulation session, and partly by the distribution of the feasible actions between the different actors (reals or virtuals) in the simulation.We present #SEVEN, a Petri nets based model, allowing to describe causal and temporal sequencing of actions in an environment. #SEVEN is then used to answer to the problem of the specification of the possible scenarios and of the distribution of the actions between the actors. #SEVEN’s properties made it a model able to be adapted to the needs of the specification of scenarios, especially because it can provide different guidance levels. As an example, it can define precisely the actions that need to be performed or indicates the changes that must occur in the state of the environment without defining precisely the actions to perform. Then, we address the problem of the distribution of the actions from perspective of the role theory, proposing a team model allowing to model the behaviours and rules related to a group of actors. This model allows to make evolve the possibilities of actions offered to the actors during the simulation depending on their abilities, their position in the team or the resources they have access to.
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Submitted on : Monday, December 19, 2016 - 6:15:06 PM
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Guillaume Claude. Séquencement d'actions en environnement virtuel collaboratif. Synthèse d'image et réalité virtuelle [cs.GR]. INSA de Rennes, 2016. Français. ⟨NNT : 2016ISAR0010⟩. ⟨tel-01419698⟩

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