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Encyclopedia > Virtual Light

William Gibson's Bridge trilogy is his second trilogy, after the succesful Sprawl trilogy.


Books in this trilogy are:

  • Virtual Light (1993)
  • Idoru (1996)
  • All Tomorrow's Parties (1999)

The Bridge trilogy, like the Sprawl trilogy, takes place in a dystopian future, although the world presented there is less advanced. It is not clear if the books are intended to take place at an earlier time in the same universe, or in a separate universe.


The books deal with the race to control the beginnings of cyberspace technology, and unlike the Sprawl trilogy are set on the USA's West coast, in a post-earthquake California.


  Results from FactBites:
 
CULTURE MACHINE: 5 the E-issue, C Vasseleu (6565 words)
Rather than an indirect light, the light of small-scale optics is a phantom light that recuperates something of an immediate visuality within the sightless realm of physical optics, where speed overrides and automatically re-defines (without regard for phenomenal vision) the interval of perception.
Because light in computer graphics is not recorded by the same means by which the contact of light with a photosensitive surface is recorded, the lighting of objects and scenes is not calculated in the same way.
Merleau-Ponty describes lighting as the condition for light to appear as a neutral property common to all visibles: 'neither colour nor, in itself, even light, it is anterior to the distinction between colours and luminosities.
RADIANCE Virtual Sources (638 words)
We therefore introduce "virtual" light sources that do not exist in reality, but are used during the calculation to direct shadow rays in the appropriate directions to find reflected or otherwise transferred light sources.
This approach is essentially the same as the "virtual worlds" idea put forth by Rushmeier [18] and exploited by Wallace [24], but it is only carried out for light sources and not for all contributing surfaces.
To minimize the creation of useless virtual light sources, we check very carefully to confirm that the light in fact has some free path between the source and the reflecting surface before creating the virtual source.
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