# Draping geometry on Terrain

**URL:** <https://community.cesium.com/t/draping-geometry-on-terrain/1486>\
**Category:** CesiumJS\
**Created:** [September 11, 2014, 3:50pm UTC](https://community.cesium.com/t/draping-geometry-on-terrain/1486 "2014-09-11T15:50:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![11121](https://avatars.discourse-cdn.com/v4/letter/1/b38774/32.png) [@11121](https://community.cesium.com/u/11121)\
**Post date:** [September 11, 2014, 3:50pm UTC](https://community.cesium.com/t/draping-geometry-on-terrain/1486/1 "2014-09-11T15:50:40Z")

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Hi，Is there a specific way that I need to draw a polygon or polyline on terrain.  
Like following diagram  
[![](http://vterrain.org/Misc/drape2.jpg)](http://vterrain.org/Misc/drape2.jpg)

Thank.

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**Author:** ![patrick](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/patrick/32/2045_2.png) [@patrick](https://community.cesium.com/u/patrick)\
**Post date:** [September 11, 2014, 3:59pm UTC](https://community.cesium.com/t/draping-geometry-on-terrain/1486/2 "2014-09-11T15:59:56Z")

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Hi - see this discussion: [https://groups.google.com/forum/#!topic/cesium-dev/fbJoxzUmKfI](https://groups.google.com/forum/#!topic/cesium-dev/fbJoxzUmKfI)

Patrick