MixedRealityToolkit.Sharing

Description

The MixedRealityToolkit.Sharing library allows applications to span multiple devices, and enables holographic collaboration.

Originally developed for OnSight, a collaboration between SOTA (a Microsoft studio) and NASA to enhance their existing Mars rover planning tool with HoloLens, MixedRealityToolkit.Sharing enables users to use multiple devices for a task by allowing the apps running on each device communicate and stay in sync seamlessly in real time.

Users can also collaborate with other users (who are also using multiple devices) who may be in the same room or working remotely.

First: Environment and Dependencies

Follow the required steps for Setting up the Build Environment and Building the Sharing Library outlined here: Getting Started

Features

Multi-Platform, Multi-language

Enhance any app, on any device, written in any programming language

Portable C++ code
Auto-Generated bindings to most languages (SWIG)

Supported Languages, Platforms and Chip Architectures:

Win32, UWP, OSX
C++, C#, Java
x86, x64, ARM

Lobby & Session system

Discover available sessions or create your own
Permanent or ‘until empty’ session lifetime
See user status: current session, mute state
Easy to discover and hop between sessions

Anchor Sharing

Users in a session can be in the same or different physical rooms
Users can share the location of Holographic 'anchors' they place in their room with other users in the same room
Users joining late can download all anchors in the session
Allows multiple users to see shared holograms

Synchronization System

Synchronize data across all participants in session

Everyone in session guaranteed to see the same thing
Automatic conflict resolution for simultaneous conflicting remote changes
Real-time: See remote changes as they happen
Shared data sets automatically merged when new users join a session
Responsive: no delay in your own changes
Ownership: your data leaves session when you do

Visual Pairing

Connect devices just by looking at them

One device displays a QR code with connection info and security code
Other device sees QR code, connects, and validates with security code
Can also detect location in 3D space using built-in fiducial marker support

Profiler

Profiling and debugging an experience that spans multiple devices is challenging. So MixedRealityToolkit.Sharing provides an app that can connect to multiple devices at once and aggregates their timings and debug output in a single place

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