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Exercise - Create a Holographic Remoting PC application

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In this tutorial, you'll learn how to create a PC app for Holographic Remoting. That lets you connect to HoloLens 2 at any time, providing a way to visualize 3D content in Mixed Reality.

Configure the capabilities

In the Project Settings window, expand the Publishing Settings, then scroll down to the Capabilities section and then select the following:

• Internet Clint server
• Private Network Client Server

Unity 2020 + OpenXR

In this section, you'll configure your project to stream your Mixed Reality experience to your HoloLens 2 device from your PC in real-time over a Wi-Fi connection.

Configuring your scene for holographic remoting

• In the Project window, navigate to the Assets > MRTK.Tutorials.PCHolograhicRemoting > Prefabs folder, and click and drag HolographicRemoting prefab into your scene.

  

Legacy WSA

In this section, you'll configure your project to stream your Mixed Reality experience to your HoloLens 2 device from your PC in real-time over a Wi-Fi connection.

Configuring your scene For holographic remoting

• In the Project window, navigate to the Assets > MRTK.Tutorials.PCHolograhicRemoting > Prefabs folder, and click and drag HolographicRemoting prefab into your scene.

  

Build your application to pc

Unity 2020 + OpenXR

Your Holographic Remoting app is now ready to build on your PC. Follow the below steps and make these changes to build this application on to your PC.

1. Switch build platform

In the menu bar, select File > Build Settings.

1. In the Build Settings window, select PC, Mac & Linux Standalone Platform and click the Switch Platform button to change the Build Platform:

   

2. Set the project settings

1. In the menu bar, select Edit > Project Settings > XR Plug-in Management. Ensure that you're in the Windows Standalone tab and then select OpenXR and Windows Mixed Reality feature.

   

2. In the Project Settings window, select OpenXR. Ensure that you're in the Windows Standalone tab, and then change the Depth submission mode from None to Depth 16 Bit.

3. Add Eye Gaze Interaction Profile and Microsoft Hand Interaction Profile by clicking on the plus sign ("+") button in the Interaction Profiles tab.

   

4. Under Open XR feature groups > All features, select Holographic App Remoting.

   

5. Select Windows Mixed Reality and then under the Windows Mixed Reality group, select Holographic App Remoting.

   

3. Build the Unity project

In the menu bar, select File > Build Settings.

1. Click Add Open Scenes to add your current scene to the Scenes list in the Build Settings window. Then, in the Build list, click the Build button:

   

2. Choose a suitable location to store your build--for example, Documents\MixedRealityLearning. Create a new folder and give it a proper name--for example, PCHolographicRemoting--and then click the Select Folder button to start the build process:

   

3. Wait for Unity to finish the build process.

   

   Double-click the Executable file to open the PC Holographic Remoting Application on your PC.

   Note

   Due to some known issues in building the Holographic Remoting app for UWP, we're building as Windows Standalone for OpenXR.

Legacy WSA

Your Holographic Remoting app is now ready to build on your PC. Follow the below steps and make these changes to build this application on to your PC.

1. Set the player settings

1. In the XR Settings section, select WSA Holographic Remoting Supported to enable Holographic Remoting.

   

2. Build the Unity project

1. In the menu bar, select File > Build Settings, In the Build Settings window, click the Add Open Scenes button to add your current scene to the Scenes. In the Build list, then click the Build button to open the Build Universal Windows Platform window:

   

2. In the Build Universal Windows Platform window, choose a suitable location to store your build--for example, Documents\MixedRealityLearning. Next, create a new folder and give it a proper name--for example, PCHolographicRemoting--and then click the Select Folder button to start the build process:

   

3. Wait for Unity to finish the build process.

   

3. Build and deploy the application

1. After the build process has finished, Unity will prompt Windows File Explorer to open where you stored the build. Navigate to the folder and then double-click the .sln file to open it in Visual Studio:

   

   Note

   If Visual Studio asks you to install new components, take a moment to ensure that all prerequisite components are installed as specified in the Install the Tools documentation.

2. Configure Visual Studio for PC by selecting the Release configuration, the x64 architecture, and Local Machine as target:

   

   Click the button that says Local Machine. This begins the process of building the application and deploys it to your PC. The application is installed on your PC by default.

Test holographic remoting remote application

Note

Building and testing on HoloLens 2 is not mandatory. Alternatively, you can test on the HoloLens 2 Emulator if you don't have a device. Devices can be purchased at HoloLens.com.

To connect your PC application to your HoloLens 2, do the following:

1. Install the remoting player application on HoloLens 2 device

1. On your HoloLens 2, visit the Store app and search for "Remoting Player."
2. Select the Remoting Player app.
3. Tap Install to download and install the app.

2. Connect the holographic remoting pc app to the remoting player

1. Start the Remoting Player on your HoloLens.
2. Take note of the HoloLens IP address. It will be displayed as a hologram by the Remoting Player as soon as it launches.
3. Open the Holographic Remoting PC application on your PC.
4. Once the application is launched, enter the IP address and click the Connect button to connect.

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