Abstract
In the process of web3D-based collaborative design, it is necessary to completely prevent operation conflicts among designers due to distributed environments and complex 3D models. Therefore, conflict detection and conflict resolution are of great significance to attain an acceptable result. In order to facilitate effective and smooth design work, a symmetry-based collaborative design framework is proposed using the X3D operation models. Combined considerations cover both models and operations, while different operation strategies are utilized for conflict resolution in web-based collaborative design. The strategy can achieve automatic operation, real-time conflict detection based on dynamically adjustable time, and conflict auto-detection and resolution with designers’ customization. A proof-of-concept system is developed for verification. The proposed resolution shows good performance, scalability and interactivity in a case study.
Highlights
It is very difficult for one person to accomplish entire work in large-scale projects such as large-sized industrial equipment design, architecture design, aircraft design, etc
Since X3D conforms to XML structure, supports multi-level operations and can be converted to HTML format, we use X3D format models as design resource
Efficient, and web-based X3D collaborative design framework, which has realized real-time Conflict detection (CD) and automatic conflict resolution (CR) by dynamic adjustable time and configurable parameters
Summary
It is very difficult for one person to accomplish entire work in large-scale projects such as large-sized industrial equipment design, architecture design, aircraft design, etc. Web-based collaborative design provides an effective and visual manner for different designers to work together so as to archive complex task. Compared with traditional client applications, web-based collaborative design has some advantages. The development of cloud-computing has provided web applications with better infrastructure services [1,2]; for instance, web-based collaborative word editing systems like Google docs and Microsoft office web version provide users with more convenience and portability [3,4]. Using WebGL, which has been developed and is supported by new versions of browsers like Mozilla Firefox, Apple Safari, Chrome, and so on, it is possible to display 3D models in browsers without plugins [5,6]. As a consequence, building a web-based X3D collaborative design platform is very feasible both for requirements and technology
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