A Virtual World Builder Toolkit
Publication Type:
Conference PaperSource:
9th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010), IFAAMAS, Toronto, Canada, p.1627-1628 (2010)Abstract:
In this paper we present a system that automatically generates a 3D virtual world from a virtual institution (VI) specification, namely of activities that will take place in the virtual world. A virtual institution is an interaction environment where both human and software agents participate in a joint 3D virtual world. A VI is visualized as a 3D building composed of rooms representing the different activities defined in its specification. To support the generation of the 3D scene, we propose an extension of shape grammars called virtual world grammar (VWG). A VWG incorporates information about the definition of the activities, properties of the different shapes (i.e spaces), functions to evaluate and validate the generated design, and a set of heuristics to guide the generation process. A definition and execution of Virtual World Grammars and a 3D transformation mechanism are integrated in a so called Virtual World Builder Toolkit (VWBT).
Virtual World Grammar
Publication Type:
Conference PaperSource:
9th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010), IFAAMAS, Toronto, Canada, p.1581-1582 (2010)Abstract:
Organization-based multi-agent systems (MAS) can be represented by means of 3D virtual worlds facilitating then the interaction among participants, i.e humans and agents. In this paper we propose a system that can automatically generate a 3D virtual world from formal specifications of both a MAS and a design visual style (i.e a shape grammar). We propose an extension of shape grammars in combination with virtual world paradigms, called Virtual World Grammar (VWG), to support the design generation process. Virtual World Grammar includes semantic information about both MAS specification which establishes the activities participants can engage on and shape grammar elements. This information, along with heuristics and validations, guides
the generation process and allows us to produce functional designs. The Virtual World Builder Toolkit, integrated in our Shape Grammar Interpreter tool, supports both the definition and execution of the Virtual World Grammar.
General Shape Grammar Interpreter for Intelligent Designs Generations
Publication Type:
Conference PaperSource:
Computer Graphics, Imaging and Visualization, CGIV'09, IEEE Computer Society, Volume 6, Tianjin, China, p.235-240 (2009)ISBN:
978-0-7695-3789-4/09Keywords:
shape grammars; electronic institution; virtual world; 3D; interpreterAbstract:
Shape grammars play an important role in a new generation of tools for the analysis and design of products. In this work we present a general tool named Shape Grammar Interpreter (SGI) for the automatic generation of designs. The developed shape grammar framework allows designers to obtain automatically generated designs and to participate in the design process. In that way the generated design complies with both the desired functionality and an attractive aspect. Great effort has been devoted on having a comfortable way of defining shapes and later using them in shape grammar rules and designs’ generation process. We have also implemented and incorporated in the tool an optimized subshape detection algorithm. Hence, subshapes of the existing shapes can be detected in the generation process obtaining more appealing designs.
