Developing interactive 3D models for e-learning applications

RODRIGUES, M. and ROBINSON, A. (2009). Developing interactive 3D models for e-learning applications. In: DE MELO, M. T., CARVALHO NETO, C. Z. and SPANHOL, F. J., (eds.) Hipermídias: interfaces digitais em EAD. São Paulo, Laborciencia, 155-175.

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Abstract

Some issues concerning the development of interactive 3D models for e-learning applications are considered. Given that 3D data sets are normally large and interactive display demands high performance computation, a natural solution would be placing the computational burden on the client machine rather than on the server. Mozilla and Google opted for a combination of client-side languages, JavaScript and OpenGL, to handle 3D graphics in a web browser (Mozilla 3D and O3D respectively). Based on the O3D model, core web technologies are considered and an example of the full process involving the generation of a 3D model and their interactive visualization in a web browser is described. The challenging issue of creating realistic 3D models of objects in the real world is discussed and a method based on line projection for fast 3D reconstruction is presented. The generated model is then visualized in a web browser. The experiments demonstrate that visualization of 3D data in a web browser can provide quality user experience. Moreover, the development of web applications is facilitated by O3D JavaScript extension allowing web designers to focus on 3D contents generation.

Item Type: Book Section
Research Institute, Centre or Group: Cultural Communication and Computing Research Institute > Communication and Computing Research Centre
Depositing User: Sarah Ward
Date Deposited: 08 Oct 2010 11:46
Last Modified: 08 Oct 2010 11:46
URI: http://shura.shu.ac.uk/id/eprint/2537

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