# How to Add contour lines To terrain

**URL:** <https://discourse.threejs.org/t/how-to-add-contour-lines-to-terrain/58484>\
**Category:** Questions\
**Tags:** gltf-loader, loaders, camera, textures, materials, animation, geometry\
**Created:** [November 23, 2023, 10:40am UTC](https://discourse.threejs.org/t/how-to-add-contour-lines-to-terrain/58484 "2023-11-23T10:40:03Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![prisoner849](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.threejs.org/prisoner849/32/535_2.png) [@prisoner849](https://discourse.threejs.org/u/prisoner849)\
**Post date:** [November 23, 2023, 11:53am UTC](https://discourse.threejs.org/t/how-to-add-contour-lines-to-terrain/58484/6 "2023-11-23T11:53:20Z")

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Maybe it’s worth to search the forum.  
For example: [Draw a horizontal line around object on Mouse Hover - #5 by prisoner849](https://discourse.threejs.org/t/draw-a-horizontal-line-around-object-on-mouse-hover/31766/5)  
Direct link (adapted to the latest revision): [GPU raycast - JSFiddle - Code Playground](https://jsfiddle.net/prisoner849/ag09r4pL/)

 ![изображение](https://canada1.discourse-cdn.com/flex035/uploads/threejs/original/3X/8/4/842e347ae1f8b54779a65a08a3740ea66c166d59.jpeg)

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_[View the full topic](https://discourse.threejs.org/t/how-to-add-contour-lines-to-terrain/58484)._