Hello everyone.

We have decided to phase out the Mixed Reality Forums over the next few months in favor of other ways to connect with us.

The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.

The plan between now and the beginning of May is to clean up old, unanswered questions that are no longer relevant. The forums will remain open and usable.

On May 1st we will be locking the forums to new posts and replies. They will remain available for another three months for the purposes of searching them, and then they will be closed altogether on August 1st.

So, where does that leave our awesome community to ask questions? Well, there are a few places we want to engage with you. For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality. If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers. And always feel free to hit us up on Twitter @MxdRealityDev.

How does Hololens decide real world location of Camera object?

I'm developing an app which uses distance between the user and a hologram with a fair degree of precision, related to the user's position in the real world. However, I'm unsure how the HoloLens decides where the origin of the camera object is in relation to the actual headset for these calculations. For example, at the front of the headset, or a few inches back to simulate the center of the user's head. Does anyone know what the HoloLens uses as its real-world object center? If so, it would be greatly appreciated. Thank you.

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