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2012 Declarative 3D Workshop Report

Subheading: 
W3C's Declarative 3D Initiative using HTML's DOM discussed for creating, modifying, and sharing interactive, animated 3D graphics with HTML documents.
News Story: 

The 1st International Workshop on Declarative 3D for the Web Architecture (Dec3D2012) was held at the WWW2012 conference in Lyon, France on April 17, 2012. This workshop was organized by the Declarative 3D W3C community group (www.declarative3d.org) led by DFKI, Fraunhofer and the Web3D Consortium.  We examine the requirements, options, and use cases for an integration of interactive 3D graphics capabilities into the W3C technology stack in a declarative way. While imperative graphics APIs are powerful and necessary, a ‘Declarative 3D’ approach can provide web authors an easy way to add interactive high-level declarative 3D objects through the HTML Document Object Model (DOM) allowing web authors to easily create, modify, share, and experience interactive 3D graphics using HTML documents.

The workshop was an open platform to discuss the Declarative 3D initiative and also present current technologies, demonstrations, and research papers on Declarative 3D. It was apparent from this workshop that there is a need and interest for a Declarative 3D solution for the Web. Participation, coordination and collaboration between industry, browser vendors, developers and standards organizations are necessary for Declarative 3D to become a seamless part of the Web infrastructure.

The workshop started with an overview and motivation for the Declarative 3D effort followed by the keynote speech by Robin Berjon who presented the harmonious path to HTML based on his experiences with SVG standardization. Following the keynote speech were demonstrations of innovative applications that deeply integrate 3D graphics and HTML, among others, Fraunhofer and DFKI reported on X3DOM and XML3D as models for an easy to use 3D hypermedia publishing frameworks. Two research track sessions consisted of interesting presentations on Declarative 3D Requirements, Use Cases, Visualization, Semantics and Services presented by researchers from around the world.  The workshop ended with a discussion moderated by Ivan Herman (W3C) on how to achieve success in moving this effort forward as a W3C working group and eventually a W3C Declarative 3D standard.

The participants of the workshop agreed that what is needed to make the effort successful and for the W3C to adopt/develop a declarative 3D standard is:

  • Active participation from the industry, browser companies, standards organizations and content developers;
  • A clear definition of use cases and requirements for Declarative 3D;
  • Initial draft specification document;

Work is in progress, gathering use cases and deriving requirements from these use cases.  This group will present common use cases that define how 3D might intersect and interact with HTML5, DOM events, CSS, SVG, GeoLocation, Augmented Reality (AR), Efficient XML Interchange (EXI) and other key working groups. Certain complex data types and computations are also of mutual interest.

Presently the group is also having discussions on merging the two technologies proposed for Declarative 3D (XML3D and X3DOM). The goal is to have a single specification document for presentation to the W3C.

We are hoping the Declarative 3D approach interests the industry and browser companies and we look forward to your active participation. The W3C "Declarative 3D community group is not restricted to W3C members and is open to the public. To join please visit http://www.w3.org/community/declarative3d/.

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Release Date: 
Jun 2012

Web3D 2012 Registration Now Open

Subheading: 
Online Registration for Web3D2012 and SIGGRAPH is Available
News Story: 

You can now register online for Web3D 2012 at Los Angeles, 4-5 August 2012. The Web3D 2012 is the 17th annual conference International Conference on 3D Web Technology. Registration information is at http://web3d2012.org/registration.html, including a link to the on-line form. Early registration is until 18 June 2012.

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Release Date: 
May 2012

X3D Validator Available for X3D Scenes

Subheading: 
New Tool for Quality Assurance of X3D Scenes is Available from Naval Postgraduate School
News Story: 

X3D authors now have an excellent new tool for checking their scenes. The X3D Validator bundles a comprehensive suite of tests to help ensure the quality of X3D scenes and metadata. Because X3D has an XML encoding, multiple Web-based verification checks have been integrated into a single comprehensive tool. Validation tests include:

  • XML header and DOCTYPE checking for correct document headers
  • Well-formed XML checking
  • X3D DTD and XML Schema checking for valid X3D nodes, fields and values
  • X3D Schematron rule checking to verify semantic correctness and detect internal-consistency problems
  • X3D to ClassicVRML conversion checks a variety of legal X3D constructs
  • Regular expression checking for malformed floating-point numbers and excess leading zeros
  • X3D to XHTML pretty-print listing to check online URL links and to document ROUTE connections

Eliminating errors and warnings makes X3D content more portable and reliable. All of the several thousand scenes that are checked into the X3D Example Archives undergo these checks each night through continuous-integration Jenkins builds. This work is entirely open source and produced by the Naval Postgraduate School (NPS) Modeling, Virtual Environments and Simulation (MOVES) Institute. The test suite is quite flexible and is capable of running via a Web server, in authoring tools (such as X3D-Edit), as part of conversion tool chains, and in offline build processes. The X3D Specifications, produced by the Web3D Consortium for the International Standards Organization (ISO), remains the authoritative formal reference for determining correctness of all X3D scenes.

I have used the X3D Validator in the development of the STEP to X3D translation software that is part of the STEP file browsing web application at http://spri.kshell.com. The Validator has already served to identify systematic errors in the automatic generation of X3D models from CAD specifications, and will continue to be part of the Test-Driven Development of this translation software.

Vincent Marchetti
KShell Analysis

 

The online X3D Validator, and the matching validation capabilities in X3D-Edit, are very reliable and convenient. PartDB makes good use of both tools when improving our X3D translation module for CATIA.

Hyokwang Lee, X3D CAD Working Group cochair
PartDB Co. Ltd., http://partdb.com

 

 

References:

  1. https://savage.nps.edu/X3dValidator
  2. http://www.web3d.org/x3d/content/examples/X3dResources.html#QualityAssur...

 

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Release Date: 
May 2012

Virginia Tech - Latest Directing Member

Subheading: 
Virginia Polytechnic Institute and State University advances it’s Web3D Consortium Membership to Directing Member
News Story: 

The Web3D Consortium is pleased to announce that Virginia Polytechnic Institute and State University (Virginia Tech), has advanced its Web3D Consortium membership level to Directing Member. Virginia Tech (VT) has been an active Organizational member in the Web3D Consortium since 2007, contributing to the significant progress of several Web3D Technical Working Groups including X3D, X3D-Earth, User Interface and Medical.

VT's move to Directing Membership in the Web3D Consortium is a recognition of the acute importance of international standards development and support in the ecology of networked information and services. As research, education and commercial enterprises are increasingly managing interactive, time-varying virtual environments, cross-platform publishing can only scale through the portability, interoperability and durability that standards provide.
 

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Release Date: 
Mar 2012

Attend Web3D2012

Subheading: 
Co-located with SIGGRAPH 2012 in Los Angeles, Web3D 2012 will be the 17th annual conference on Web3D technologies.
Event Image: 
Web3D2012 logo
Event Dates: 
Saturday, August 4, 2012 - Sunday, August 5, 2012
Location: 
Los Angeles, CA. US.

AR Standards Meeting

Subheading: 
Web3D will participate in this meeting in conjunction with its effort to expand X3D to support Augmented Reality.
Event Image: 
Event Dates: 
Monday, March 19, 2012 - Tuesday, March 20, 2012
Location: 
Austin, Texas. US

Call for Papers: Web3D2012

Subheading: 
The 17th ACM International Web3D Conference will address a wide range of research topics related to Web-based 3D Graphics. The Conference will be held in Los Angeles in conjunction with SIGGRAPH 2012 on August 4-5, 2012.
News Story: 

The annual ACM Web3D Conference is a major event that gathers researchers, developers, entrepreneurs, experimenters, artists, and content creators in a dynamic environment. Attendees can share and explore methods of using, enhancing, and creating new 3D Web and Multimedia technologies, such as WebGL and HTML5 (which is a hot topic in Computer Graphics), Flash/ Stage 3D, X3D, COLLADA, and the MPEG family. The conference highlights capabilities and trends in interactive 3D graphics across a wide range of applications and supports research from mobile devices up to high-end immersive environments.

The conference site is http://www.web3d2012.org/

 

Topics

Topics may include, but are not limited to:
 

  • Modeling, processing, analysis and rendering of complex geometry, structure, and behaviors
  • 3D search, shape matching and indexing
  • Rendering algorithms and standardization and visualization of large data sets
  • Interaction methods for online 3D content
  • Interactive 3D graphics for mobile devices
  • Mixed and Augmented Reality (including standardization aspects)
  • Agents, animated humanoids, and complex reactive characters
  • Remote rendering and streaming
  • Stereo and multi-view visualization of 3D graphic interfaces
  • High-performance 3D graphics for distributed environments, tele-presence, tele-operation, and 3D broadcasting
  • Web, multimedia and standards integration and interoperation.



Authors are also invited to submit advances in the above technologies applied to multimedia applications in:
 

  • Automotive, Security, Transport Industries
  • Life sciences and healthcare
  • Geospatial modeling and digital cities
  • Public sector and tourism
  • Cultural heritage and E-learning.

 

The full call for papers is at http://web3d2012.org/submission.html.

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Release Date: 
Jan 2012

Call for Papers: Declarative 3D

Subheading: 
The first International Workshop on Declarative 3D for the Web Architecture in conjunction with WWW2012, 21st International World Wide Web Conference (WWW2012) in Lyon, France on 17 April 2012.
News Story: 

You are invited to submit your papers to the workshop. The workshop aims to encourage researchers and practitioners from both the Web and 3D graphics communities to meet and talk about an integration of interactive 3D graphics capabilities into the Web technology stack in a declarative way.

Workshop webpage: http://events.declarative3d.org/Dec3D2012/


Topics

Topics of interest for the workshop include, but are not limited to, the following:

  • Declarative 3D Use-Cases and Requirements: Discussion of the use cases, where embedding 3D data in HTML using declarative approach provides significant benefit; deduction of the requirements for the D3D specification.
  • Declarative 3D and DOM: Discussion of integration of 3D with existing and future W3C standards, specifically: integration of high-level scene concepts; integration with client and server side rendering services, 3D REST; integration with existing security aspects for content delivery and visualization; content portability and platform independence.
  • Declarative 3D in current web browsers: Exploring how the incorporation of declarative 3D graphics can be done in currently popular web browsers (e.g., by using WebGL in WebKit or Gecko); what are the possible difficulties?
  • Semantics of 3D objects in DOM: Discussion of how descriptive 3D can be combined with semantics. This includes topics such as querying and manipulation of graphical objects, mash-up from several sources, integration of RDF technology, creation of useful APIs based on web services etc
  • Declarative 3D User Interface Issues: Novel interfaces and interaction methods for online 3D + HTML content; mobile 3D Web interfaces, interaction techniques; accessibility and usability of 3D Web content.

 

Submissions

We seek three kinds of submissions:

  • Full technical papers – should not exceed eight pages in length in ACM format;
  • Short technical papers and position papers – up to four pages in ACM format;
  • Demo descriptions – two-page description of the application in ACM format, ideally accompanied with a link to a demo;


Submissions must be formatted using the ACM SIG Proceedings Templates. Please note that the author list does not need to be anonymized, as we do not follow a double-blind review process.

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Release Date: 
Jan 2012

Web3D 2012 - CfP

Subheading: 
Call for Papers for the 17th Web3D Conference - Web3D2012.
Event Image: 
Web3D2012 logo
Event Dates: 
Tuesday, April 3, 2012
Location: 
Los Angeles, CA. US.

Declarative 3D for the Web Architecture

Subheading: 
The DEC3D2012 workshop is to encourage researchers from both the Web and 3D graphics communities to meet and talk about an integration of interactive 3D graphics capabilities into the Web technology stack.
Event Image: 
DEC3D2012 logo
Event Dates: 
Tuesday, April 17, 2012
Location: 
Lyon, France
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