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A radiosity approach for the simulation of daylight

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Book cover Rendering Techniques ’95 (EGSR 1995)

Part of the book series: Eurographics ((EUROGRAPH))

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Abstract

In this paper, an extension to the radiosity method, for the simulation of daylight, is presented. The sky hemisphere around the scene is subdivided into a set of sky patches. By defining a location on the earth, a time of day and the weather conditions (e.g., clear sky, overcast, partly cloudy) a sky model (e.g., CIE or Perez) is applied to compute the radiosity values for each sky patch. In a radiosity preprocess, the sky patches are regarded as shooting patches and are treated first. By storing the form factors within this preprocess, all parameters of the sky model can be modified and updated very quickly. Thus, a designer can see the lighting variation throughout a typical day by calling the costly form factor computation only once.

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Author information

Authors and Affiliations

  1. Fraunhofer Institute for Computer Graphics, Wilhelminenstraße 7, 64283, Darmstadt, Germany

    S. Müller, W. Kresse, N. Gatenby & F. Schöffel

  2. Computer Graphics Unit, University of Manchester, UK

    N. Gatenby

Authors
  1. S. Müller
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  2. W. Kresse
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  3. N. Gatenby
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  4. F. Schöffel
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Editor information

Editors and Affiliations

  1. Stanford University, Stanford, USA

    Patrick M. Hanrahan

  2. Institut für Computergraphik, Technische Universität Wien, Wien, Österreich

    Werner Purgathofer

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© 1995 Springer-Verlag/Wien

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Müller, S., Kresse, W., Gatenby, N., Schöffel, F. (1995). A radiosity approach for the simulation of daylight. In: Hanrahan, P.M., Purgathofer, W. (eds) Rendering Techniques ’95. EGSR 1995. Eurographics. Springer, Vienna. https://doi.org/10.1007/978-3-7091-9430-0_14

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  • DOI: https://doi.org/10.1007/978-3-7091-9430-0_14

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  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-82733-8

  • Online ISBN: 978-3-7091-9430-0

  • eBook Packages: Springer Book Archive

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