An Adaptive Method for Area Light Sources and Daylight in Ray Tracing

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dc.contributor.authorZaninetti, Jacquesen_US
dc.contributor.authorBoy, Pierreen_US
dc.contributor.authorPeroche, Bernarden_US
dc.date.accessioned2015-02-16T06:55:02Z
dc.date.available2015-02-16T06:55:02Z
dc.date.issued1999en_US
dc.description.abstractThis paper proposes an adaptive method for taking both (diffuse or not) planar area light sources and daylight into account in a ray tracing environment which separates the calculation of direct and indirect illumination. In a given point, direct illumination due to a light source or to natural light is represented by a vector, the direction and magnitude of which being computed through an adaptive area approach, which is driven by the solid angle according to which a part of the source is seen from the current point. In the case of unoccluded diffuse polygonal sources, an analytical formula is used which gives an exact value for this vector.en_US
dc.description.number3en_US
dc.description.seriesinformationComputer Graphics Forumen_US
dc.description.volume18en_US
dc.identifier.doi10.1111/1467-8659.00335en_US
dc.identifier.issn1467-8659en_US
dc.identifier.pages139-150en_US
dc.identifier.urihttps://doi.org/10.1111/1467-8659.00335en_US
dc.publisherBlackwell Publishers Ltd and the Eurographics Associationen_US
dc.titleAn Adaptive Method for Area Light Sources and Daylight in Ray Tracingen_US
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