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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.
空间映射中的地板和墙壁的识别问题
in Projects
在虚拟现实中，一个物体在真实的空间中它是如何识别地板，是如何识别墙壁的？我在做的过程中，物体在虚拟环境中移动时，它会掉到地下，也会穿到墙壁中去。识别墙壁和地面是如何实现的啊？
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Matt_Xu
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微软的holotoolkit软件包中专门有一个sample project叫spatial understanding，你可以去看一看那个project是怎么写的；运行那个spatial understanding你会发现那个app完美的实现了识别天花板、墙壁、地板的功能
但是实际上呢，我也没觉得这玩意有多难，我自己完全可以写一个类似的程序识别
这是我前几天的一个demo，我也是新手，不过每天都在进步
https://www.youtube.com/watch?v=JAhUcyrVeRg5
Answers
Translation via bing:
In virtual reality, how does an object in real space recognize the floor and how does it recognize the wall? In the course of my work, when an object moves in a virtual environment, it falls to the ground and goes through the walls. How do you recognize walls and ground?
微软的holotoolkit软件包中专门有一个sample project叫spatial understanding，你可以去看一看那个project是怎么写的；运行那个spatial understanding你会发现那个app完美的实现了识别天花板、墙壁、地板的功能
但是实际上呢，我也没觉得这玩意有多难，我自己完全可以写一个类似的程序识别
这是我前几天的一个demo，我也是新手，不过每天都在进步
https://www.youtube.com/watch?v=JAhUcyrVeRg
@DiegoV 确实HoloLens只能识别网格，谢谢！
@Matt_Xu你这个做的很好
@haifeng123 @Matt_Xu Hi, Do you know how to place objects on the floor automatically--not using tap to place? 我想做一个app当用户带上hololens的时候地板上已经有设计好的object， 请问您知道怎么做吗？谢谢