SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
HCSM: a framework for behavior and scenario control in virtual environments
ACM Transactions on Modeling and Computer Simulation (TOMACS) - Special issue on graphics, animation, and visualization for simulation environments
Communications of the ACM
Developing virtual environments for industrial training
Information Sciences—Informatics and Computer Science: An International Journal - Special issue: Interactive virtual environments and distance education
EGVE '03 Proceedings of the workshop on Virtual environments 2003
Intelligent virtual environment for process training
Advances in Engineering Software
Using X3D for medical training simulations
Web3D '08 Proceedings of the 13th international symposium on 3D web technology
X3DOM: a DOM-based HTML5/X3D integration model
Proceedings of the 14th International Conference on 3D Web Technology
Extending the Web3D: design of conventional GUI libraries in X3D
Proceedings of the 15th International Conference on Web 3D Technology
HTML5 and WebSockets; challenges in network 3D collaboration
Proceedings of the 17th Panhellenic Conference on Informatics
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Virtual Reality procedure training simulators require that users perform actions in a specific order during the procedure. Recent advances in 3D Web technologies, such as Web3D, HTML5 and WebGL, have allowed complex 3D scenes to be rendered interactively, within a web browser. However, designing and implementing a complete VR procedure training application using these standards is complex and not straightforward. In this paper we present X3D nodes that overcome these limitations and allow procedure training scenarios to be described within X3D. Moreover, using X3DOM to implement these nodes allows training scenarios to run within any standard web browser, without the need to install additional plugins. In particular, we propose three new nodes. These nodes define additional layers that allow relationships and dependencies between geometric entities to be created. They provide the necessary means to develop VR procedure training simulators using X3D. Finally, we have developed a training application targeted at maintenance of hydro-electrical power plants using Petri-nets to validate our proposal.