3D Virtual Environments (3DVE) come up as a good solution to transmit knowledge in a museum exhibit. In such contexts, providing easy to learn and to use interaction techniques which facilitate the handling inside a 3DVE is crucial to maximize the knowledge transfer. We took the opportunity to design and implement a software platform for explaining the behavior of the Telescope Bernard-Lyot to museum visitors on top of the Pic du Midi. Beyond the popularization of a complex scientific equipment, this platform constitutes an open software environment to easily plug different 3D interaction techniques. Recently, popular use of a smartphones as personal handled computer lets us envision the use of a mobile device as an interaction support with these 3DVE. Accordingly, we design and propose how to use the smartphone as a tangible object to navigate inside a 3DVE. In order to prove the interest in the use of smartphones, we compare our solution with available solutions: keyboard-mouse and 3D mouse. User experiments confirmed our hypothesis and particularly emphasizes that visitors find our solution more attractive and stimulating. Finally, we illustrate the benefits of our software framework by plugging alternative interaction techniques for supporting selection and manipulation task in 3D.
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机译：3D虚拟环境（3DVE）是在博物馆展览中传播知识的一种很好的解决方案。在这种情况下，提供易于学习和使用的交互技术（有助于在3DVE内部进行处理）对于最大化知识转移至关重要。我们借此机会设计并实现了一个软件平台，用于在Mid du Pic顶部向博物馆参观者解释Bernard-Lyot望远镜的行为。除了复杂的科学设备的普及之外，该平台还构成了一个开放的软件环境，可以轻松地插入不同的3D交互技术。近来，智能手机作为个人处理计算机的广泛使用使我们设想将移动设备用作这些3DVE的交互支持。因此，我们设计并提出了如何将智能手机用作在3DVE内部导航的有形对象。为了证明对使用智能手机的兴趣，我们将我们的解决方案与可用的解决方案进行了比较：键盘鼠标和3D鼠标。用户实验证实了我们的假设，并特别强调访问者发现我们的解决方案更具吸引力和刺激性。最后，我们通过插入替代交互技术来支持3D选择和操纵任务来说明软件框架的优势。
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