CRS4 Libro, Contributo in un libro

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https://hdl.handle.net/11050/56

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Mostra il contenuto di CRS4 Libro, Contributo in un libro per Subject "3D"

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    Exploring annotated 3D environments on the world-wide web
    (Springer, 1997) Gobbetti, Enrico; Turner, Russell
    The long-term goal of combining virtual reality and the Internet is to create networked multi-user simulations of virtual environments. The Virtual Reality Modeling Language (VRML) represents a limited but significant step towards this goal by creating a standard data file format for representing 3D scene information, together with hyper-link information for associating it with other types of Web documents. Current proposals for extending VRML-1.0 to add behaviors will bring this goal closer, but much work remains to be done. This chapter gives a brief summary of VRML and then describes two significant projects currently under development based on i3D, a high-performance VRML browser developed by one of the authors. The first of these, currently being used at the European Laboratory for Particle Physics (CERN), uses an annotated virtual environment to visualize and walk through the physical design of the new Lepton-Hadron Collider (LHC) before it is built. The second project, Virtual Sardinia, allows the user to tour a 3D terrain visualization of the island and access historic and tourist information through hyper-links.
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    Virtual reality: past, present, and future
    (IOS, 1998-11) Gobbetti, Enrico; Scateni, Riccardo
    This report provides a short survey of the field of virtual reality, highlighting application domains, technological requirements, and currently available solutions. The report is organized as follows: section 1 presents the background and motivation of virtual environment research and identifies typical application domains, section 2 discusses the characteristics a virtual reality system must have in order to exploit the perceptual and spatial skills of users, section 3 surveys current input/output devices for virtual reality, section 4 surveys current software approaches to support the creation of virtual reality systems, and section 5 summarizes the report.