# if you'd like to clamp your polylines to terrain, that will come out soon, probably around June.

**URL:** <https://community.cesium.com/t/if-youd-like-to-clamp-your-polylines-to-terrain-that-will-come-out-soon-probably-around-june/6942>\
**Category:** CesiumJS\
**Created:** [May 20, 2018, 12:54pm UTC](https://community.cesium.com/t/if-youd-like-to-clamp-your-polylines-to-terrain-that-will-come-out-soon-probably-around-june/6942 "2018-05-20T12:54:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jonathan\_Hall](https://avatars.discourse-cdn.com/v4/letter/j/7bcc69/32.png) [@Jonathan\_Hall](https://community.cesium.com/u/Jonathan_Hall)\
**Post date:** [May 20, 2018, 12:54pm UTC](https://community.cesium.com/t/if-youd-like-to-clamp-your-polylines-to-terrain-that-will-come-out-soon-probably-around-june/6942/1 "2018-05-20T12:54:19Z")

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What is the status of that development?

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**Author:** ![gary](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/gary/32/2224_2.png) [@gary](https://community.cesium.com/u/gary)\
**Post date:** [May 22, 2018, 2:41pm UTC](https://community.cesium.com/t/if-youd-like-to-clamp-your-polylines-to-terrain-that-will-come-out-soon-probably-around-june/6942/2 "2018-05-22T14:41:00Z")

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WIP here: [https://github.com/likangning93/cesium/tree/polylinesOnTerrain](https://github.com/likangning93/cesium/tree/polylinesOnTerrain)

Expect a trackable pull request very soon!