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We introduce a system for urban planning - called Urp -thatintegrates functions addressing a broad range of the fieldsconcerns into a single, physically based workbench setting. The I/OBulb infrastructure on which the application is based allowsphysical architectural models placed on an ordinary table surfaceto cast shadows accurate for arbitrary times of(More)
We describe a novel system for rapid prototyping of laser-based optical and holographic layouts. Users of this optical prototyping tool-called the Illuminating Light system-move physical representations of various optical elements about a workspace, while the system tracks these components and projects back onto the workspace surface the simulated(More)
This thesis presents a new computer interface metaphor for the real-time and simultaneous performance of dynamic imagery and sound. This metaphor is based on the idea of an inexhaustible, infinitely variable, time-based, audiovisual " substance " which can be gesturally created, deposited, manipulated and deleted in a free-form, non-diagrammatic image(More)
We describe a conceptual infrastructure – the Luminous Room – for providing graphical display and interaction at each of an interior architectural space's various surfaces, arguing that pervasive environmental output and input is one natural heir to today's rather more limited notion of spatially-confined, output-only display (the CRT). We discuss the(More)
There is a problem in the spatial and temporal separation between the varying forms of representation used in urban design. Sketches, physical models, and more recently computational simulation, while each serving a useful purpose, tend to be incompatible forms of representation. The contemporary designer is required assimilate these divergent media into a(More)
O ne of the great challenges that physical planners and urban designers face is communicating their spatial concepts and ideas to the broader public. Obermeyer (1991) contended that while planners are trained to think in spatial terms, they often fail to highlight the spatial implications of proposed policies to public administrators and policy makers. This(More)
A method for producing holographic stereograms with reduced geometrical constraints is presented. The type of holographic stereogram produced, called the ULTRAGRAM, can offer a combination of large viewing zone, arbitrary viewing distance, minimal image distortion, and high spatial resolution, depending on alterable parameters in the image processing(More)
We describe a novel system for rapid prototyping of laser-based optical and holographic layouts. Users of this experimental direct manipulation tool -- called <i>Illuminating Light</i> -- move physical representations of various optical elements about a workspace; the system tracks these components and projects back onto the workspace surface the simulated(More)