Extract

This paper describes an innovative learning environment, which integrates the Internet, 3D-CAD, and
simulation tools in a web based learning system to ensure a better understanding of light perception in
architectural space. The learning system comprises of a virtual laboratory, in which architectural
planning examples can be represented three-dimensionally and be changed interactively. A developed
semantic scene model ensures that lighting, material and surfaces can be varied and compared, The
focus lies on the exploration and evaluation of both visual effects and important interrelations between
light, material and form. Hence, the standards for the visual representation of luminaires (check
spelling) and light distribution are transformed from the static 2D drawing code to an interactive 3Drepresentation.
By using a methodology of learning by exploration the user merges 3D-CAD and
simulation programs into a easy-to-use new system, in which the rendered photo-realistic image is
regarded as an interactive tool and no longer as a presentation material. Finally the user can (access)
sp this system with a standard web browser and no software for CAAD, simulation and presentation
needs to be installed on the users PC as he remote controls this software that runs on a specific web
server (Wittkopf, S., 2001).

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