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Lighting Calculations on the Internet Using Genelux­Web

Richard Mitanchey, Pierre Laforgue, Marc Fontoynont , Olivier Marolles*, Pascale Avouac-Bastie, Dominique Dumortier, Jean-Marc Duport**, Paul Kenny***, Christine Badinier****, Cécile Demé
Département Génie Civil et Bâtiment, CNRS URA 1652, Ecole Nationale des Travaux Publics de l?Etat, 69120 Vaulx en Velin (France)

* Abvent, Image & Design Software, 3, rue Decrès, 75014 Paris (France)
** SDI, Bron, France
*** University College Dublin, Richview, Clonskeagh, Dublin 14, Ireland
**** Consultant, Paris, France

Abstract
It is now possible for building designers to accurately evaluate the daylighting performance of their projects at the design stage directly on the internet. Our simulation software Genelux uses various simulation techniques to simulate the propagation of light beams, and all of these techniques use validated physical models. We have developed a version of Genelux for internet users entitled Genelux-Web. Input files can be prepared on any computer using a specified format, but Genelux-Web also accepts files from propriatary CAD softwares. Input files are sent via internet to the computers of ENTPE, and simulations are launched remotely. Following calculation, output files are sent back to the users by e-mail. They include a table of results, high resolution images from specific locations, and QuickTime-VR (©AppleComputer, Inc) movies. A moderated mailing list, working with e-mail, allows the users to exchange information among themselves and with the Genelux-Web manager of ENTPE.

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