The concept of hierarchical radiosity is key to the efficient display of diffuse illumination in a 3D virtual environment. Using the hierarchical radiosity algorithm, the level of detail in radiosity ? how much care and accuracy is to be taken ? is determined in the hierarchy by distance from and importance to the viewpoint.
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Rendering of lighting in outdoor scenes is a paramount concern. To truly be realistic, the light levels constantly vary, and the sun (or suns) are not usually even the primary lightsource! All that adds up to is a computational disaster, unless some way is found to render lightsoure data quickly, and easilly....
Usually when we think of sensory input channels - sight, sound, touch, taste, smell, balance - we think of the traditional hierarchical order, under the brain. It seems that that hierarchy is not as cut and dried as we once thought, with interesting implications for virtual worlds.
At the time of publication, it was the best book on the subject of networking real-time, multiple user, persistent environments. Although it is still on the market today, the problem is, it is almost hopelessly dated, still insisting on a hierarchical architecture, which was perfect at the time, but just cannot cope with large worlds today.
An unexpected discovery of a hierarchical networking scaffold inside the human brain itself, has interesting implications for future neuroprosthetics. Rather than having to interface with the grey matter right where computations are being done, we may in fact only have to interface with the white matter 'between departments' as it were, to achieve the same interface effect.
The virtual worlds of today are essentially hierarchical systems. A small number of servers which hold the data for the worlds, and an innumerable number of client connections, largely untrusted. This resource, half article/half rant, looks at the virtual worlds of tomorrow; at distributed systems, and world browsers.
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Nanoelectromechanical systems (NEMS) devices have the potential to revolutionize the world of sensors: motion, chemical, temperature, etc. But taking electromechanical devices from the micro scale down to the nano requires finding a means t...
Researchers working to design new materials that are durable, lightweight and environmentally sustainable are increasingly looking to natural composites, such as bone, for inspiration: Bone is strong and tough because its two constituent ma...
A Chinese semantic network with semantic (argument structure) annotation was built and investigated for finding its global statistical properties. The results show that semantic network is also small-world and scale-free but it is different...
(Press Release) LightWork Design, supplier of rendering solutions for developers of advanced 3D computer graphics software, are pleased to announce that Fukui Computer Inc has expanded the LightWorks functionality integrated within their AR...
(Press Release) Cheetah3D 3.3 has been released. Version 3.3 adds many new features like rendering depth of field. When depth of field is enabled distant objects or objects which are very close to the camera will appear blurred. This will a...