# how to use the Spatial mapping of HoloLens

**URL:** <https://discourse.threejs.org/t/how-to-use-the-spatial-mapping-of-hololens/37016>\
**Category:** Questions\
**Tags:** webxr\
**Created:** [April 13, 2022, 7:51am UTC](https://discourse.threejs.org/t/how-to-use-the-spatial-mapping-of-hololens/37016 "2022-04-13T07:51:53Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![DLGL99GL](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.threejs.org/dlgl99gl/32/24578_2.png) [@DLGL99GL](https://discourse.threejs.org/u/DLGL99GL)\
**Post date:** [April 13, 2022, 9:50am UTC](https://discourse.threejs.org/t/how-to-use-the-spatial-mapping-of-hololens/37016/2 "2022-04-13T09:50:41Z")

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i found the same question [Raycast in a WebXR AR Session](https://discourse.threejs.org/t/raycast-in-a-webxr-ar-session/32527/2);Can this function be implemented on the three.js？

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