# Cartographic Polygon problem

**URL:** <https://community.cesium.com/t/cartographic-polygon-problem/27115>\
**Category:** Cesium for Unreal\
**Created:** [October 3, 2023, 8:43am UTC](https://community.cesium.com/t/cartographic-polygon-problem/27115 "2023-10-03T08:43:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![SimonLation](https://avatars.discourse-cdn.com/v4/letter/s/8e8cbc/32.png) [@SimonLation](https://community.cesium.com/u/SimonLation)\
**Post date:** [October 3, 2023, 8:43am UTC](https://community.cesium.com/t/cartographic-polygon-problem/27115/1 "2023-10-03T08:43:33Z")

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I may be doing something completely wrong here, but I did follow your tutorial here:  
[Clipping Tilesets – Cesium](https://www.cesium.com/learn/unreal/unreal-clipping/)

But when I try to clip out a section of a tile that is of any shape, it will remove the whole section of the tile.

 ![clipping.PNG](https://global.discourse-cdn.com/cesium/original/3X/a/0/a049f720de0a297a787a0d4efa632c65276df63f.jpeg)

My settings appear to be correct, unless this is the part I am misunderstanding.

 ![settings](https://global.discourse-cdn.com/cesium/original/3X/4/0/40581581a323cf041a0a509d850db156bb17ba71.png)

Am I being stupid and missing something obvious here?

I’m using Cesium for Unreal v1.31.0 downloaded from GitHub with version 5.2.1 of Unreal Engine.

Thanks

(Edited to use correct settings image.)

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<div class="post-metadata">

**Author:** ![Kevin\_Ring](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/kevin_ring/32/2003_2.png) [@Kevin\_Ring](https://community.cesium.com/u/Kevin_Ring)\
**Post date:** [October 4, 2023, 1:08am UTC](https://community.cesium.com/t/cartographic-polygon-problem/27115/2 "2023-10-04T01:08:50Z")

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It’s hard to tell what’s going on from your screenshot. Does this happen in [Level 8](https://github.com/CesiumGS/cesium-unreal-samples#eight-level-8---clipping--cartographic-polygons) of the Cesium for Unreal Samples project, too?

Can you provide us with detailed instructions for reproducing the problem? Preferably starting with the Cesium for Unreal Samples project.
