Computer Graphics and Interactive Systems

Computer Graphics and
Interactive Systems Laboratory

Annotation on 3D Objects by eTrace eLearning System

Year: 2008
Type of Publication: In Proceedings
Keywords: annotation, eLearning system, annotation assessment
Authors: Ştefănuţ, Teodor; Gorgan, Dorian
The paper presents the concept of 3D annotation used in eLearning environments. The experiments and examples have been taken in an eLearning environment named eTrace that uses the annotation as the main user interaction technique. The user could make 3D annotations by drawing directly on the surface of the object or by placing the annotation in 3D space. In both cases the annotation becomes a 3D object into the scene but is separately encoded, stored and managed into the system, being independent from the file type (.obj, .3ds) or display technology (OpenGl, DirectX).