Intelligent Systems Report € March € 1996 € Volume 13 € No. 3


Moving Worlds emerges as new VR standard


More than 50 providers of Internet-based services and products have agreed to support the new Moving Worlds standard as the next-generation implementation of VRML (Virtual Reality Markup Language) 2.0. Moving Worlds is an open, platform-independent specification for dynamic 3-D environments on the Internet.

Silicon Graphics Inc. (Mountain View, Calif.) has led the development of Moving Worlds in cooperation with Netscape, Sony, WorldMaker and other members of the VRML community (see chart for complete list of supporters). Moving World maintains VRML's conformance to open standards and leverages Sun Microsystems' Java and JavaScript to create behaviors, motion and interactions. It also enables third-party plug-ins to be used unmodified, adding useful 3-D capabilities to World Wide Web-based database, design and other real-world applications.

The Moving Worlds specification was recently submitted to the VRML Architecture Group for review. Support for the proposal came from all over the Internet through such techniques as Web-based polling booths and mailing lists. To encourage further application development based on the proposed standard, Silicon Graphics will make source code broadly available throughout the industry.

To make the benefits of 3-D technology available to all Internet users, Moving Worlds emphasizes practical applicability and relies on standard desktop computing power. Its software architecture allows 3-D data sets to be scalable for viewing on a variety of computer systems ranging from low-cost Internet PCs to powerful 3-D graphics workstations.

The newly proposed standard is also marked by its extensibility and provides many features that enable developers to create 3-D software applications and content for the Internet. Fully-integrated Java applets can be used to create motion and enable interactivity, and JavaScript allows scripted communication between different objects both inside and outside the 3-D environment. Additionally, plug-ins can be placed inside 3-D worlds to provide services ranging from streaming video to slide presentation.

Together these capabilities create a platform for the development of full motion, live content and animation; lifelike physical behaviors and reactions within a 3-D environment; multi-user capabilities; and scalability ranging from importing 3-D objects into HTML to navigating through virtual worlds. It is application-ready, and includes connectivity to databases.

The Moving Worlds version of VRML enables Web-based applications to include:

Similar to HTML, the core Internet text standard, VRML encodes computer-generated graphics into a compact file format for transportation over networks. Because VRML is scalable, it enables users to view the content of these 3-D graphics files, browse HTML pages, or navigate virtual worlds.
More information is available at the Web sites for Silicon Graphics http://www.sgi.com and Netscape: http://www.netscape.com.


The following companies support Moving Worlds:

3D Labs

3D WEB

7th Level

Adobe Systems

Aereal

Alias|Wavefront

Andersen Consulting

Asymetrix

Aurum Software

Autodesk Multimedia

Black Sun Interactive

Bluestone

Borland

Bryce-Meta Tools

Caligari

Chaco Communications

Chyron

Cognicon

Computer Associates

Construct Internet Design

Coryphaeus Software

Creative Labs

Criterion

Digital Dialect

Dimension X

EDS

Electronic Arts

First Virtual Holdings

Headspace

IBM

Informix

Integrated Data Systems

Intervista Software

Macromedia

MetaTools

mFactory

NetDream

Netscape Communications

OnLive! Technologies

Organic Online

Paper Software

ParaGraph International

Planet 9

Polhemus

Ray Dream

SEGA of America

Silicon Graphics

Smart Valley

Sony

Starfish Software

Superscape

Visual Software

VIVID Studios

VREAM

WorldMaker

Worlds



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