RUBE: a customized 2D and 3D modeling framework for simulation

We present a system called RUBE, which allows a modeler to customize model components and model structure in 2D and 3D. RUBE employs open source tools to assist in model authoring, allowing the user to visualize models with different metaphors. For example, it is possible to visualize an event graph as a city block, or a Petri network as an organically-oriented 3D machine. We suggest that such flexibility in visualization will allow existing model types to take on forms that may be more recognizable to modeling sub-communities, while employing notation as afforded by inexpensive graphical hardware. There is also a possibility to create model types using entirely new notations.