A Multi-System VRML Viewer
pp g y p y g g g , San Diego, California, Decemb er 1995. VRweb: A Multi-System VRML Viewer Michael Pichler, Gerb ert Orasche, Keith Andrews 1 I ICM, Graz UniversityofTechnology Ed Grossman 2 National Center for Sup ercomputing Applications Mark McCahill 3 University of Minnesota Abstract form of Silicon Graphics' Inventor [27 ] le format, an ex- tensive, proven 3D graphics le format which includes a va- riety of sp ecial-purp ose no des. VRML adopted Inventor's As VRML b ecomes the standard for describing no de-based hierarchical structure, eld syntax and instanc- 3D scenes on the Internet, many VRML viewers ing mechanism, but left out a numb er of its sp ecial-purp ose are b eing develop ed with proprietary interests or and more esoteric features. VRML de nes no des for geom- for sp eci c target systems or proto cols. etry p olygon based and primitive shap es, text, grouping, VRweb is a VRML viewer providing the same multiple levels of detail, transformations elementary and ar- user interface for multiple Web proto cols WWW, bitrary matrices, co ordinates, normal data, prop erties ma- Gopher, and Hyp er-G and multiple platforms terials, textures, rendering attributes bindings and shap e Unix, Windows, and Macintosh and is avail- hints, light sources p ositional, directional, sp ot lights, and able as b oth binary and source co de. VRweb camera de nitions p ersp ective and orthographic. source co de is copyrighted, but is freely avail- The World Wide Web WWW, W3, or \The Web" [8 ], able for non-commercial use, providing a plat- currently the most p opular Internet information system, is form for research and exp eriment.
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