The Mixed Reality Forums here are no longer being used or maintained.
There are a few other places we would like to direct you to for support, both from Microsoft and from the community.
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.
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, or in our Microsoft Tech Communities forums at https://techcommunity.microsoft.com/t5/mixed-reality/ct-p/MicrosoftMixedReality.
And always feel free to hit us up on Twitter @MxdRealityDev.
Put holograms over real world objects
I have 3D drawing of some big industrial equipment with pipes spanning several rooms and floors. I have imported these drawings into Unity and am able highlight single pipes.
Now I would like to overlay the real pipes on the industrial site with the holograms of the pipes, so that I can follow the pipe from room to room and floor to floor using the hololens.
I could of course align the hologram with the physical pipe by moving and rotating the hologram manually, but I believe it would not be very precise.
The alignment process I had in mind was to ask the user to gaze and tap at pre-defined reference points on the physical pipe at one end of the pipe and then use these reference points to overlay the holographic pipe over the physical pipe. I guess I will need three reference points to get correct alignment.
Is my alignment process doable? Can I anchor a pipe hologram to three anchor points (I have managed to use one)? Do I need to use one anchor and then calculate rotation vectors using the other two get the alignment correct? How can I calculate this?