398 questions with HoloLens-related tags

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Help with migration to MRTK2

So I'm working on migration project that was used Holotool kit 2017, I got project to work updating interfaces, openxr and other things on Unity 2021 LTS and MRTK 2.8 But there's one interface that not worked properly: this works on Holotool Kit, public…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-08-14T21:33:21.6166667+00:00
Pedro Zanardi 10 Reputation points
commented 2023-08-17T01:07:16.3533333+00:00
Nathan Manis - MSFT 481 Reputation points Microsoft Employee
1 answer

Flickering problem on Hololens 2

I edited the main post because now I have better details, I already updated for Unity 2021 and mrtk 2.8, OpenXR installed but when I build still got that: (it doesn't happen on editor). The pixels on holograms are actually flickering.

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-07-17T16:22:40.9766667+00:00
Pedro Zanardi 10 Reputation points
answered 2023-08-14T21:20:28.48+00:00
Pedro Zanardi 10 Reputation points
1 answer

Can Android devices access and track their own location inside a point cloud created by a HoloLens device?

So I have a HoloLens 2 application which creates spatial anchors in an indoor area, and then uses that for indoor navigation. For anchor authoring, we use the HoloLens. But I was thinking if it would be possible for an Android device to be able to access…

Azure Spatial Anchors
Azure Spatial Anchors
An Azure service that is used to build immersive three-dimensional applications and experiences that map, persist, and restore content or points of interest at real-world scale.
88 questions
HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-08-10T05:31:41.8333333+00:00
Future Tech 0 Reputation points
answered 2023-08-11T02:08:56.4833333+00:00
Zuocheng Wang - MSFT 3,091 Reputation points Microsoft Vendor
1 answer

Question about whether QR code recognition and Spaital Anchor functions are supported in HoloLens 2 holographic remote rendering using Unity

I am trying to use QR code recognition and Spaital Anchors functions for HoloLens 2 hologram remote rendering using Unity, but I have the following questions. Does the function called hologram remote for play mode in the Unity editor support the same…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-07-24T01:34:02.9833333+00:00
grimsk 26 Reputation points
commented 2023-08-08T09:06:50.45+00:00
WL.TSAI 85 Reputation points
1 answer

Sharing anchors over a local network.

I've been scouring the Internet for info on sharing anchors over a local network but haven't had much luck. I'm using Unity 2020.3.25f1 LTS and read about using the WorldAnchor component and a WorldAnchorTransferBatch to share the data. I didn't have any…

Azure Spatial Anchors
Azure Spatial Anchors
An Azure service that is used to build immersive three-dimensional applications and experiences that map, persist, and restore content or points of interest at real-world scale.
88 questions
HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-04-14T05:11:55.89+00:00
Kyle 0 Reputation points
commented 2023-07-26T18:36:03.0366667+00:00
r brown 0 Reputation points
1 answer

Can character actor be used for HoloLens in UE5?

https://docs.unrealengine.com/4.27/en-US/SharingAndReleasing/XRDevelopment/OpenXR/XRSharedExperiences/ARPins/SettingUpANewARProject/ When setting up AR project, The Pawn actor is used for that. I have two questions. First, Is it possible to use…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-07-25T00:31:55.16+00:00
혜진 서 91 Reputation points
answered 2023-07-25T08:02:00+00:00
Zuocheng Wang - MSFT 3,091 Reputation points Microsoft Vendor
1 answer

[HoloLens 2] [WPA] Windows Performance Analyzer showing n/a stacks for memory inspection

Hi, I am trying to inspect memoty usage on my HoloLens2 by a specific app, so I chose to save the etl trace with the developer portal (Memory profile) and open it in the WPA. Problem is, every stack in my memory allocation table is n/a (except for my…

Windows Performance Toolkit
Windows Performance Toolkit
A collection of Microsoft performance monitoring tools that produce in-depth performance profiles of Windows operating systems and applications.
102 questions
HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-07-11T13:50:07.6733333+00:00
AmlieBORDIN-3273 5 Reputation points
answered 2023-07-19T09:53:51.1466667+00:00
AmlieBORDIN-3273 5 Reputation points
0 answers

StorageFolder.CreateFolderAsyncMethod is too slow on external storage

Hi, I develop an application for HoloLens which can record frames I'm getting from the camera. Since I don't have too much space on the device I plug in external storage and from the application I try to create folder and store the frames there. The…

Universal Windows Platform (UWP)
HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-07-17T15:19:51.7+00:00
Idan Cohen 0 Reputation points
commented 2023-07-18T09:52:05.6866667+00:00
Zuocheng Wang - MSFT 3,091 Reputation points Microsoft Vendor
0 answers

Dictation keeps failing on Hololens 2

There have recently been issues with a legacy component of Windows Online Speech Recognition Services meaning transcription failed on Windows 10 and UWP. The service has been said to be fully restored but I am still experiencing frequent issues on…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-04-24T16:13:11.2533333+00:00
William Tripp 20 Reputation points
edited the question 2023-07-18T02:17:52.5633333+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
1 answer

when remote play on hololens, the niagara fluid does not fill up..

When playing the HoloLens remote in Unreal, the water in Niagara Fluid does not fill up, but when playing in the editor it fills up just fine. It's the same condition, but I don't know why. I want to show the video for you to understand but how?

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-04-26T11:57:56.6866667+00:00
혜진 서 91 Reputation points
edited the question 2023-07-18T02:17:39.05+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
0 answers

Unity Timeline Animations on Hololens 2

Greetings! I have a story on Unity made from the timeline and blending animations through there, however when I try to deploy the project to the HoloLens I am presented with a white window with an x in the middle. I have tried only keeping one of the…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-04-27T11:35:41.85+00:00
B. Eliades 0 Reputation points
edited the question 2023-07-18T02:17:26.69+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
1 answer

Hololens gaze input results false in UE 5.1

After I try something with Vive xr elite and steam vr, suddenly hololens gaze input results false.. before that, there was no problem..

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-05-24T07:11:56.3266667+00:00
혜진 서 91 Reputation points
edited the question 2023-07-18T02:17:14.74+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
1 answer

About hololens2 window tracking functionality

I would like to use HoloLens2 while walking. I am using it with the default tracking feature. However, when walking forward, the window does not track correctly and feels like it is bumping into me. Please let me know if there is a way to make the window…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-05-26T10:38:38.7966667+00:00
空太 村松 0 Reputation points
edited the question 2023-07-18T02:16:32.3433333+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
1 answer One of the answers was accepted by the question author.

Fail to export system Map & Spatial Mapping Database on HoloLens2

It is still error, when or how can I use that? I want to use it when sharing a device anchor. Strangely, when only the map and anchor are shared, the anchor does not appear even in the same environment on a new device.

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-05-29T11:54:18.3866667+00:00
혜진 서 91 Reputation points
edited the question 2023-07-18T02:16:19.62+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
1 answer

Shared hololens anchors doesn't loaded.

When sharing an hololens anchor to other device, there are cases where the anchor is not loaded on the shared device. Why is that? First of all, when sharing an anchor, Is that right sharing three things in the portal: system anchor, mapping database,…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-05-30T09:04:03.9966667+00:00
혜진 서 91 Reputation points
edited the question 2023-07-18T02:15:57.2166667+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
1 answer

How to call or load the .srdbxd file saved in the HoloLens2 device in UE4/5?

Hello, I'm working on a product using HoloLens2 which involves spatial mapping. Can I import the spatial mapping file (.srdbx format file) downloaded by HoloLens in Windows Device Portal to UE? As shown below. In addition, can I use or load the spatial…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-06-20T13:12:50.32+00:00
Chaos 60 Reputation points
edited the question 2023-07-18T02:08:54.0666667+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
1 answer

HoloLens2 Anchor are Loaded in Origin after installed the Window Mixed Reality OpenXR App on HoloLens2

I will tell you the process of the problem. Please follow me. hololens2 streaming suddenly stopped working. I'm using this command for streaming from a packaged Windows…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-06-18T01:32:27.4066667+00:00
혜진 서 1 Reputation point
edited the question 2023-07-18T02:05:53.3033333+00:00
Jay Zuo - MSFT 166 Reputation points Microsoft Employee
1 answer

MRTK Spatial Awareness System

We are currently building an environment for HoloLens2 using MRTK and have made the Spatial Awareness System available by cloning MRTK. However, the Spatial Awareness System is not selected in the "tap to place" setting for the magnetic surface…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-07-15T03:16:56.61+00:00
空太 村松 0 Reputation points
answered 2023-07-17T07:28:18.0833333+00:00
Zuocheng Wang - MSFT 3,091 Reputation points Microsoft Vendor
0 answers

Disabling/Changing "Select" voice command in a MRTK Unity HoloLens 2 Application

I'm developing a HoloLens 2 application in Unity that uses MRTK. I would like to use the "Select" keyword for a custom voice command register. However, if I use the keyword "Select", it is overridden by the default HoloLens 2 voice…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-04-04T17:20:27.4433333+00:00
Benjamin Jordan 76 Reputation points
commented 2023-07-14T07:07:52.46+00:00
KM 0 Reputation points
1 answer

the camera remains switched on during use, if you try to use the camera again, it is unavailable

We have developed an app that allows you to take photos, but lately randomly when a photo is taken the webcam stays on and doesn't allow the next shot. See OS 10.0.22621.1113

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
397 questions
asked 2023-07-06T20:10:27.2266667+00:00
Davide Coletti 0 Reputation points
answered 2023-07-13T02:33:28.94+00:00
Zuocheng Wang - MSFT 3,091 Reputation points Microsoft Vendor