Figure 1: We propose a new model for designing VR, AR and MR applications independently of any device. Our model allows the user to visualize a virtual world and to interact with it on any kind of device. These pictures shows a user interacting with the same virtual object on a desktop, on a touchscreen and on an Oculus Rift HMD.

UMI3D is a recent model which allows the generic description of 3D environments through a network. These generic environments can run outside of any device, on a server or on a separate computer. A unique dedicated application that we have named UMI3D client allows a VR, AR or MR device to interact with all the existing UMI3D environments. Moreover, the client-server architecture allows these environments to be collaborative.In this paper, we introduce a toolbox which allows the creation and running of UMI3D collaborative environments using Unity 3D. It contains tools to address the main concerns of computer-supported cooperative work (CSCW) systems in UMI3D environments. After introducing the contribution of this toolbox to the design of 3D CSCW systems, we present a user evaluation of an environment designed with this toolbox. Finally, we discuss the limits of the UMI3D model and the improvements that could be made to this model.

In this paper we present an interaction analytics system we are working on. With this system we intend to simplify the evaluation and classification of eXtented Reality devices and interaction techniques. Our final objective is to release it as an open Cloud platform that will allow researchers to compare their respective results in the field of Human-Computer Interaction with ease. To achieve this, we use the UMI3D exchange protocol to design device-independent 3D environments, and a Cloud analytics platform which stores experimental raw data from these environments as well as from the different devices. Finally, we present our first results using the platform to compute statistical analyzes and create dashboards comparing a set of devices and interaction techniques.

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