Abstract

In the last few years, Multitouch and Tangible User Interfaces have emerged as a powerful tool to integrate interactive surfaces and responsive spaces that embody digital information. Besides providing a natural interaction with digital contents, they allow the interaction of multiple users at the same time, thus promoting collaborative activities and information sharing. In particular, these characteristics have opened new exploration possibilities in the edutainment context, as witnessed by the many applications successfully developed in different areas, from children’s collaborative learning to interactive storytelling, cultural heritage and medical therapy support. However, due to the availability of different multitouch and tangible interaction technologies and of different target computing platforms, the development and deployment of such applications can be challenging. To this end, in this paper we present GAINE (tanGible Augmented INteraction for Edutainment), a software framework that enables rapid prototyping and development of tangible augmented applications for edutainment purposes. GAINE has two main features. First, it offers developers high-level context specific constructs that significantly reduces the implementation burden. Second, the framework is portable on different operating systems and offers independence from the underlying hardware and tracking technology. In this paper, we also discuss several case studies to show the effectiveness of GAINE in simplifying the development of entertainment and edutainment applications based on multitouch and tangible interaction.

Highlights

  • The integration of Multitouch and Tangible User Interfaces is a powerful approach to improve the way users interact with digital information

  • - we extended the range of tangibles that can be used by the framework by designing an extensible lowlevel interaction layer capable of managing Multitouch Interfaces (MTIs) and Tangible User Interfaces (TUIs) data acquired with different technologies;

  • In this paper we presented GAINE, a flexible framework for the rapid prototyping and development of edutainment and entertainment applications based on multitouch and tangible interaction

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Summary

INTRODUCTION

The integration of Multitouch and Tangible User Interfaces is a powerful approach to improve the way users interact with digital information. Since different target platforms offer different input methods and TUI data can be acquired with a plethora of technologies, from optical to capacitive or magnetic-based systems, the EventManager module has been designed to provide an abstraction of the hardware level This objective has been achieved by implementing the basic event management functionalities into an abstract superclass, named EventManager, and the actual management of the tangible interaction into a set of subclasses each interfacing with a specific setup. 2) Interfacing Tablets (CapacitiveEventManager) In order to enable tangible interaction with tablets or devices equipped used with commercial capacitive touch screens, we developed custom markers following an approach similar to [46][47][48], i.e. exploiting passive markers characterized by unique patterns of conductive touch points that encode both their position and ID. In the Appendix, we report a detailed example showing how these elements can be combined in the implementation of a GAINE based interactive game

CASE STUDIES AND DISCUSSION
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CONCLUSIONS
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