# \#anchors

**URL:** https://forum.magicleap.cloud/tag/anchors/37.md

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## [Spatial Anchor Storage System Not Working](https://forum.magicleap.cloud/t/spatial-anchor-storage-system-not-working/6368)

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**Author:** [@luke](https://forum.magicleap.cloud/u/luke)\
**Replies:** 4\
**Last updated:** [October 2, 2025, 10:36pm UTC](https://forum.magicleap.cloud/t/spatial-anchor-storage-system-not-working/6368 "2025-10-02T22:36:51Z")

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Hello! I am working on a magic leap 2 app that is contingent on the ability to create and store spatial anchors for a very long time. Anchors that can be restored in the space months or even years after creation. I have…

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## ["XrCreateSpatialAnchorsAsync in the Magic Leap API failed. Reason: PoseInvalid"](https://forum.magicleap.cloud/t/xrcreatespatialanchorsasync-in-the-magic-leap-api-failed-reason-poseinvalid/5909)

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**Author:** [@localjoost](https://forum.magicleap.cloud/u/localjoost)\
**Replies:** 2\
**Last updated:** [June 23, 2025, 8:13pm UTC](https://forum.magicleap.cloud/t/xrcreatespatialanchorsasync-in-the-magic-leap-api-failed-reason-poseinvalid/5909 "2025-06-23T20:13:38Z")

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The main object in our app gets an anchor after two seconds of not being manipulated. For most objects this goes without a problem. Some objects completely disappear after getting an anchor. After logging some stuff, I …

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## [Stored anchors destroyed at device restart](https://forum.magicleap.cloud/t/stored-anchors-destroyed-at-device-restart/4687)

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**Author:** [@kevinmascitti](https://forum.magicleap.cloud/u/kevinmascitti)\
**Replies:** 2\
**Last updated:** [December 1, 2024, 7:55pm UTC](https://forum.magicleap.cloud/t/stored-anchors-destroyed-at-device-restart/4687 "2024-12-01T19:55:59Z")

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Hi, I am developing an application that shows some objects within the space I am located in, every time I launch the app. I would like to use persistent anchors to use their position in space as reference and instantiate…

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## [Tracking Quality Regression Noticed in Unity App on OS 1.10.0](https://forum.magicleap.cloud/t/tracking-quality-regression-noticed-in-unity-app-on-os-1-10-0/4607)

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**Author:** [@steve.rooney](https://forum.magicleap.cloud/u/steve.rooney)\
**Replies:** 5\
**Last updated:** [November 14, 2024, 8:15pm UTC](https://forum.magicleap.cloud/t/tracking-quality-regression-noticed-in-unity-app-on-os-1-10-0/4607 "2024-11-14T20:15:21Z")

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Hello, I'm working on developing an app in Unity, and we have noticed that the virtual environment will jitter when walking around the space. By jitter, I mean that the virtual content will briefly become unanchored, mo…

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## [Anchoring Dynamic fire objects optimization](https://forum.magicleap.cloud/t/anchoring-dynamic-fire-objects-optimization/4491)

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**Author:** [@abhiazadz](https://forum.magicleap.cloud/u/abhiazadz)\
**Replies:** 1\
**Last updated:** [October 21, 2024, 8:16pm UTC](https://forum.magicleap.cloud/t/anchoring-dynamic-fire-objects-optimization/4491 "2024-10-21T20:16:50Z")

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I built this sample spatial-anchors example project on my ML2 using the Unity example(GitHub - magicleap/SpatialAnchorsExample), I wanted to simulate a fire hazard environment and I am able to anchor the fire objects usi…

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## [Saving spatial anchors and using on another app](https://forum.magicleap.cloud/t/saving-spatial-anchors-and-using-on-another-app/4468)

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**Author:** [@abhiazadz](https://forum.magicleap.cloud/u/abhiazadz)\
**Replies:** 4\
**Last updated:** [October 21, 2024, 4:39pm UTC](https://forum.magicleap.cloud/t/saving-spatial-anchors-and-using-on-another-app/4468 "2024-10-21T16:39:43Z")

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I want to create spatial anchors as use them IDs. I want to use these IDs as inpiut in another app to position multiple set of objects. Whenever I open this App, it should locatet the designated objects by looking for th…

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## [Spatial Anchors not working in Unreal Engine Examples project](https://forum.magicleap.cloud/t/spatial-anchors-not-working-in-unreal-engine-examples-project/4199)

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**Author:** [@AlexisEspejel](https://forum.magicleap.cloud/u/AlexisEspejel)\
**Replies:** 5\
**Last updated:** [September 17, 2024, 7:22pm UTC](https://forum.magicleap.cloud/t/spatial-anchors-not-working-in-unreal-engine-examples-project/4199 "2024-09-17T19:22:21Z")

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Hi, I am trying to run the example for Spatial Anchors in Unreal Engine but it isn't working, I am following what I believe is the proper procedure in the example to add a spatial anchor or to try to query them but I'm n…

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## [Holograms and scene shifting](https://forum.magicleap.cloud/t/holograms-and-scene-shifting/3837)

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**Author:** [@zabirm](https://forum.magicleap.cloud/u/zabirm)\
**Replies:** 7\
**Last updated:** [August 19, 2024, 5:03pm UTC](https://forum.magicleap.cloud/t/holograms-and-scene-shifting/3837 "2024-08-19T17:03:36Z")

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Whenever I move, the holograms I set in place with spatial anchors start to shift as well. The whole scene typically shifts toward me, and as I make my way back to the spatial anchors the scene goes back in place. How do…

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## [Spacial anchor positioning](https://forum.magicleap.cloud/t/spacial-anchor-positioning/3706)

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**Author:** [@kritig](https://forum.magicleap.cloud/u/kritig)\
**Replies:** 14\
**Last updated:** [July 8, 2024, 7:14pm UTC](https://forum.magicleap.cloud/t/spacial-anchor-positioning/3706 "2024-07-08T19:14:18Z")

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I had a few questions on what is possible with spatial anchors/mapping. I had wanted very accurate placement of certain objects in my space, but because I am not using AR cloud, the anchors don't persist. I thought that …

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## [Can a device determine the position of other devices in the same physical space?](https://forum.magicleap.cloud/t/can-a-device-determine-the-position-of-other-devices-in-the-same-physical-space/3745)

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**Author:** [@ewokthegreat](https://forum.magicleap.cloud/u/ewokthegreat)\
**Replies:** 2\
**Last updated:** [July 5, 2024, 10:26pm UTC](https://forum.magicleap.cloud/t/can-a-device-determine-the-position-of-other-devices-in-the-same-physical-space/3745 "2024-07-05T22:26:33Z")

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We have a multi-user classroom application, and we'd like to display a name tag above each user. Can the ML2 determine the position of other ML2s in the same physical space? I'm sure we could technically just use a QR co…

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## [Spatial Anchors Not Tracking](https://forum.magicleap.cloud/t/spatial-anchors-not-tracking/3614)

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**Author:** [@dilmer](https://forum.magicleap.cloud/u/dilmer)\
**Replies:** 6\
**Last updated:** [June 7, 2024, 10:44pm UTC](https://forum.magicleap.cloud/t/spatial-anchors-not-tracking/3614 "2024-06-07T22:44:02Z")

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Guys good day to you! For some reason the Spatial Anchors do not seem to be tracking at all. I'm using the code in the link below & without the storage piece since I want to explain how they work before adding the persi…

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## [Spatial Mapping Persistance ? (OpenXR)](https://forum.magicleap.cloud/t/spatial-mapping-persistance-openxr/3561)

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**Author:** [@shijin](https://forum.magicleap.cloud/u/shijin)\
**Replies:** 18\
**Last updated:** [May 31, 2024, 1:01am UTC](https://forum.magicleap.cloud/t/spatial-mapping-persistance-openxr/3561 "2024-05-31T01:01:12Z")

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In my application I have set up spatial mapping and everything works fine. I can process on the retrieved map to build out the things I need for my application. But how do I go about making the mapping persistent (OpenXR…

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## [Seeking Guidance for Virtual Item Placement in a Magic Leap Project](https://forum.magicleap.cloud/t/seeking-guidance-for-virtual-item-placement-in-a-magic-leap-project/3532)

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**Author:** [@calici](https://forum.magicleap.cloud/u/calici)\
**Replies:** 1\
**Last updated:** [May 16, 2024, 6:34am UTC](https://forum.magicleap.cloud/t/seeking-guidance-for-virtual-item-placement-in-a-magic-leap-project/3532 "2024-05-16T06:34:28Z")

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Dear Community, I’m new to Magic Leap development and would appreciate any guidance you can offer. Thank you in advance for your help! I’m currently working on a project where I aim to plan the placement of items in a …

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## [ML Spatial Anchors Bug](https://forum.magicleap.cloud/t/ml-spatial-anchors-bug/3033)

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**Author:** [@maks](https://forum.magicleap.cloud/u/maks)\
**Replies:** 4\
**Last updated:** [February 12, 2024, 9:19pm UTC](https://forum.magicleap.cloud/t/ml-spatial-anchors-bug/3033 "2024-02-12T21:19:14Z")

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Unity Editor version: 2022.3.10f1 ML2 OS version: latest MLSDK version: latest Host OS: (Windows/MacOS) MacOS Hi, I have an issue where when 100% being localized to a saved "Spaces" map the Spatial Anch…
