Hololens 2 Multiple user tutorial

Question

Hello, I'm a student studying through the hololens2 tutorial. I'm studying information about multi-users right now, and I'm leaving a question because I'm curious. If the direction in which the hololens wearer looks at when executing the program is different, are the objects they see differently? The movement or rotation of the object is normally applied, but the positions of the objects shown in holens2 are different and confusing.

Answer 1

Hello, Welcome to Microsoft Q&A,

In your scenario, each HoloLens device has a unique perspective of the environment, resulting in distinct spatial anchors and coordinate systems. Consequently, objects appear in different physical locations from each user’s viewpoint. The movement and rotation of these objects are separately synchronized across all users’ views according to their individual origins.

For a better understanding of coordinate system and spatial anchor, you can refer to the following links - Coordinate systems - Mixed Reality | Microsoft Learn and Spatial anchors - Mixed Reality | Microsoft Learn.

To make holograms appear in the same place for all users, you can use the Azure Spatial Anchors to share anchors to align coordinates across multiple devices in a common local space.

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