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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.
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Mapping videos onto real object surfaces beyond plane
CurvSurf
✭✭
in Discussion
HoloLens demos showed placing (mapping) virtual screens onto real planar walls or floor.
What if we can wrap them onto real cylindrical walls or spherical surfaces. Then, we have to let the object cylinders and spheres be automatically recognized and measured.
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Unity allows for video textures!
the video should be OGG Theora format
there are many converters available, and i guess Unity will do it if you have Quicktime installed, i have tried but Unity always freezes, i just used a converter i found on the web .. dunno which one, they should be easy to find,
and of course make sure the 3d mesh is appropriately unwrapped
The meshes are usually rough because the depth data are noisy. So, HoloLens projects a video not onto the meshed wall but onto a planar virtual screen. The plane parameters must be obtained through a plane fitting to the depth data or to the cached meshes.
If we like to project a video onto a real cylindrical wall, we have to know the cylinder parameters of the wall, which are estimated through a cylinder fitting to the depth data of the wall.
ooh yeah Real Life cylindrical walls yeah, somehow i thought you meant you wanted a virtual mesh object with a video on it, thats what i mentioned
We are now just there.
Cylinder fitting to a round wall corner.
https://www.youtube.com/watch?v=bhp-uZASd_k