Jung, T., Gross, M.D. and Do, E.Y.(2002) Sketchig Annotations in a 3D Web Environment, Extended Abstracts Proceedings of the CHI 2002 conference, Minneapolis, 20-24 April 2002, pp.618-619
 

Sketching Annotations in a 3D Web Environment
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Abstract

Collaborative design review is an important part of architectural design work. The Space Pen system supports annotation and drawing on (and inside) 3D VRML/Java models using a regular Web browser to exchange text and sketched annotations for review.