Supporting Focus and Context Awareness in 3D Modelling Tasks Using Multi-Layered Displays

M. Masoodian*, A. B.Mohd Yusof, B. Rogers

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Abstract

Most 3D modelling software have been developed for conventional 2D displays, and as such, lack support for true depth perception. This contributes to making polygonal 3D modelling tasks challenging, particularly when models are complex and consist of a large number of overlapping components (e.g. vertices, edges) and objects (i.e. parts). Research has shown that users of 3D modelling software often encounter a range of difficulties, which collectively can be defined as focus and context awareness problems. These include maintaining position and orientation awarenesses, as well as recognizing distance between individual components and objects in 3D spaces. In this paper, we present five visualization and interaction techniques we have developed for multi-layered displays, to better support focus and context awareness in 3D modelling tasks. The results of a user study we conducted shows that three of these five techniques improve users' 3D modelling task performance. Most 3D modelling software have been developed for conventional 2D displays, and as such, lack support for true depth perception. This contributes to making polygonal 3D modelling tasks challenging, particularly when models are complex and consist of a large number of overlapping components (e.g. vertices, edges) and objects (i.e. parts). Research has shown that users of 3D modelling software often encounter a range of difficulties, which collectively can be defined as focus and context awareness problems. These include maintaining position and orientation awarenesses, as well as recognizing distance between individual components and objects in 3D spaces. In this paper, we present five visualization and interaction techniques we have developed for multi-layered displays, to better support focus and context awareness in 3D modelling tasks. The results of a user study we conducted shows that three of these five techniques improve users' 3D modelling task performance.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalComputer Graphics Forum
Volume34
Issue number6
DOIs
Publication statusPublished - 1 Sep 2015
MoE publication typeA1 Journal article-refereed

Keywords

  • I.3.6 [Computer Graphics]: Methodology and Techniques - Interaction techniques H.1.2 [Information Systems]: User/Machine Systems - Human factors
  • information visualization
  • modeling
  • modling interfaces
  • ploygonal modeling
  • visualization

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