Abstract
Abstract. A problem with 3D models is that devices used to display them are typically two-dimensional, i.e., computer monitors or printed maps. User interfaces of computer software are based on mouse, touchscreen, keyboards, etc. and are optimized for this dimensionality. However, this causes problems when working with 3D models and the user must adapt her actions by interpreting the missing third dimension. While this might not necessarily pose a problem for frequent users, infrequent users may find this quite challenging. Holographic models, on the other hand, float in front of the user, providing a 3D perspective. Interaction with this kind of models may thus be more intuitive than traditional interaction. In the paper we present the results from a first user test. 15 participants tested interaction with a holographic model visualized using Augmented Reality (AR) technology. The results were compared to those of 15 participants using a traditional 3D-CAD. It was found that the holographic approach is more intuitive leading to a lower frustration level although it is still restricted by technical limitations.
Highlights
Creating and working with 3D computer models is a rather old topic
In the paper we present the results of an experiment on user experience
The systems compared in the experiment were a Building Information Models (BIM) product using a standard 3D CAD interface and a solution based on Augmented Reality (AR)-technology
Summary
Creating and working with 3D computer models is a rather old topic. Research in the area of Human-Computer Interaction (HCI) often addresses the challenges that have to be overcome in order to enable effective interaction dialogues. Already in 1999, Zheng et al pointed out that “Virtual Reality systems can offer a novel way for users to interact”. They were using CyberGlove, a wearable system that measures the position and movement of the user's fingers. The tested channel itself is innovative, the test environment still used the standard computer screen to provide visual feedback. This could be changed by adopting holographic visualizations provided by AR technology. To address the question of efficiency of interaction, a first experiment was conducted comparing a traditional screen-based approach for the visualization of a 3D model with an AR-based approach.
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