APPLICATIONS OF VIRTUAL REALITY Edited by Cecília Sík Lányi Applications of Virtual Reality Edited by Cecília Sík Lányi Published by InTech Janeza Trdine 9, 51000 Rijeka, Croatia Copyright © 2012 InTech All chapters are Open Access distributed under the Creative Commons Attribution 3.0 license, which allows users to download, copy and build upon published articles even for commercial purposes, as long as the author and publisher are properly credited, which ensures maximum dissemination and a wider impact of our publications. After this work has been published by InTech, authors have the right to republish it, in whole or part, in any publication of which they are the author, and to make other personal use of the work. Any republication, referencing or personal use of the work must explicitly identify the original source. As for readers, this license allows users to download, copy and build upon published chapters even for commercial purposes, as long as the author and publisher are properly credited, which ensures maximum dissemination and a wider impact of our publications. Notice Statements and opinions expressed in the chapters are these of the individual contributors and not necessarily those of the editors or publisher. No responsibility is accepted for the accuracy of information contained in the published chapters. The publisher assumes no responsibility for any damage or injury to persons or property arising out of the use of any materials, instructions, methods or ideas contained in the book. Publishing Process Manager Jana Sertic Technical Editor Teodora Smiljanic Cover Designer InTech Design Team First published April, 2012 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechopen.com Applications of Virtual Reality, Edited by Cecília Sík Lányi p. cm. ISBN 978-953-51-0583-1 Contents Preface IX Chapter 1 Virtual Design of Piston Production Line 1 Zhou Jun, Li Puhong, Zhang Yanliang, Deng Jianxin and Liu Zhanqiang Chapter 2 Changing Skills in Changing Environments: Skills Needed in Virtual Construction Teams 31 Willy Sher, Sue Sherratt, Anthony Williams and Rod Gameson Chapter 3 Virtual Garment Creation 49 Ausma Viļumsone and Inga Dāboliņa Chapter 4 Human Visual Field and Navigational Strategies 73 J. Antonio Aznar-Casanova, Nelson Torro-Alves and José A. da Silva Chapter 5 Virtual Worlds as an Extended Classroom 89 Ana Loureiro, Ana Santos and Teresa Bettencourt Chapter 6 3D Multi User Learning Environment Management – An Exploratory Study on Student Engagement with the Learning Environment 109 Indika Perera, Colin Allison and Alan Miller Chapter 7 Methodology for the Construction of a Virtual Environment for the Simulation of Critical Processes 135 Tadeu Augusto de Almeida Silva and Oscar Luiz Monteiro de Farias Chapter 8 Immersive Visual Data Mining Based on Super High Definition Image 153 Tetsuro Ogi, Yoshisuke Tateyama and So Sato VI Contents Chapter 9 Realizing Semantic Virtual Environments with Ontology and Pluggable Procedures 171 Yu-Lin Chu and Tsai-Yen Li Chapter 10 An Overview of Interaction Techniques and 3D Representations for Data Mining 185 Ben Said Zohra, Guillet Fabrice, Richard Paul, Blanchard Julien and Picarougne Fabien Preface Information Technology is growing rapidly. With the birth of high-resolution graphics, high-speed computing and user interaction devices, Virtual Reality has emerged as a major new technology in the mid 90 es, last century. An explosion has occurred in our understanding of Virtual Reality, Virtual Environments and in the technologies required to produce them in the last decade. Virtual Worlds and Virtual Environments are produced for people, for users to interact with computer and with complex information sets. It became a commonplace in our increasingly technological world in recent years. These Virtual Reality Applications cover almost all fields of the real life activities. Another standpoint is the ergonomic and psychological concerns that must be investigated, in this way the people will enjoy using Virtual Reality technologies. Virtual Reality technology is currently used in a broad range of applications. The best known are games, movies, simulations, therapy. From a manufacturing standpoint, there are some attractive applications including training, education, collaborative work and learning. This book provides an up-to-date discussion of the current research in Virtual Reality and its applications. It describes the current Virtual Reality state-of-the-art and points out the many areas where there is still work to be done. We have chosen certain areas to cover in this book, which we believe will have potential significant impact on Virtual Reality and its applications. The main features of the book can be summarised as follows: 1. The book describes and evaluates the current state-of-the-art in the field of Virtual Reality. 2. It also presents several applications of Virtual Reality in the fields of learning environments, simulations, industrial application, data mining and ergonomic design. 3. Contributors to the book are the leading researchers from Academia and practitioners from the industry. This book provides a definitive resource for wide variety of people including academicians, designers, developers, educators, engineers, practitioners, researchers, and graduate students. X Preface We would like to thank the authors for their contributions. Without their expertise and effort, this book would never be born. InTech staff also deserves our sincere recognition for their support throughout the project. Finally the editor would like to thank her husband Ferenc Sik, her sons András Sik and Gergely Sik for their patience and Professor Janos Schanda, the head of the editor’s Laboratory for giving her the freedom of research. Dr. Cecília Sík Lányi Associate professor at the University of Pannonia, Veszprem, Hungary [...]... design procedure of the piston production line Applications of Virtual Reality 17 Virtual Design of Piston Production Line 3.5 Virtual design procedure of piston production line Virtual design procedure of the piston production line is shown in Fig.3.13 Process planning and production planning are the basis for the design process Under the virtual model of the production line, the virtual layout planning... line in a virtual environment According to the geometry, establish the virtual physical model of the resource objects with threedimensional geometric modeling functions (or other 3D solid modeling software, 14 Applications of Virtual Reality Fig 3.10 UML sequence interaction diagram of all the objects in the piston conveying Fig 3.11 Steps of building virtual dynamic model Virtual Design of Piston... with cycle process Applications of Virtual Reality Virtual Design of Piston Production Line Fig 4.7 Machine’s failures setup Fig 4.8 Labor controller logic 21 22 Fig 4.9 Labor control logic Fig 4.10 Daily schedule Applications of Virtual Reality 23 Virtual Design of Piston Production Line Fig 4.11 Shift break 4.3.3 Simulation results The statistical data after simulation includes output of production line,... proposed that virtual reality module uses a commercial virtual manufacturing system instead of expensive virtual reality equipments as the viewer of the immersive virtual reality system on a cluster of PCs and adopts the modified simulation algorithm GAO Chonghui(GAO Chonhui et al.,2010) constructed the virtual simulation for automobile panels based on analyzing the motion characteristics of automatic... Fine turning roof surface Fine boring pin hole M13 M14 1 1 L8,1 L9,1 1 2 Rolling pin hole Boring decompression chamber of pin hole M15 M16 1 1 L10,1 L11,1 1 1 74.3 136.2 Table 4.1 Scheduling of processes on the piston production line 32 70.77 (Double work stations) 14.7 73.33 (Double work stations) 18 Applications of Virtual Reality of roof surface fine boring of pin hole rolling of pin hole boring... parts: the virtual physical modeling and virtual logical modeling Virtual physical model is visual appearance of the logical model in a virtual environment, and it focuses on describing the three-dimensional geometry corresponding to the physical entity of the real production line Therefore, virtual Virtual Design of Piston Production Line 7 physical model is the foundation of layout design of piston... the full range of logistics flow unblocked 4.1 Status of production line and design goals The line is affiliated to artificial lines, process routing is : finish turning of the spigot rough boring of pin hole  finish turning of cylindrical, rough finish and finish turning of the groove of iron hoop finish turning the groove of aluminum hoopsemi-finish boring of pin hole  turning of retaining ring... extracting the corresponding data of motion These models took better advantage of computer-aided design technology for * Corresponding Author 2 Applications of Virtual Reality production line design, but these methods cannot model for the design process of the whole production line, and cannot complete dynamic analysis of production lines Because of varieties and quantities of the piston are constantly... define the sequence of processing objects, proportion relations of process objects handling Routing logic is primarily used to define the model of bottom objects of the work piece Queuing logic is mainly used to define queuing methods Fig 3.7 Hierarchy diagram of logic control class Fig 3.8 UML class diagram of equipment logic and AGV/Labor controller logic 12 Applications of Virtual Reality The equipment... functions of the system from the viewpoint of the user, and point out the operator of all the functions 2 Static figure Include the class diagrams, object diagrams and package diagrams The class diagram is used to describe the static structure of class in the system, object diagram is a case of class diagram, and package diagram is used to describe the system hierarchy 6 3 Applications of Virtual Reality . that virtual reality module uses a commercial virtual manufacturing system instead of expensive virtual reality equipments as the viewer of the immersive virtual reality system on a cluster of. Virtual Reality and its applications. The main features of the book can be summarised as follows: 1. The book describes and evaluates the current state -of- the-art in the field of Virtual Reality. . APPLICATIONS OF VIRTUAL REALITY Edited by Cecília Sík Lányi Applications of Virtual Reality Edited by Cecília Sík Lányi