# How can I tell if a line and an ellipse intersect in cesium?

**URL:** <https://community.cesium.com/t/how-can-i-tell-if-a-line-and-an-ellipse-intersect-in-cesium/29159>\
**Category:** CesiumJS\
**Created:** [January 9, 2024, 8:15am UTC](https://community.cesium.com/t/how-can-i-tell-if-a-line-and-an-ellipse-intersect-in-cesium/29159 "2024-01-09T08:15:12Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Onurhan](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/onurhan/32/14000_2.png) [@Onurhan](https://community.cesium.com/u/Onurhan)\
**Post date:** [January 9, 2024, 8:15am UTC](https://community.cesium.com/t/how-can-i-tell-if-a-line-and-an-ellipse-intersect-in-cesium/29159/1 "2024-01-09T08:15:13Z")

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As in the picture, I have an ellipse, a polygon and a line. Polygon and line have corner point coordinates, ellipse has center coordinates and radius. How can I tell if these objects intersect with the ellipse?

![IMG_5215](https://global.discourse-cdn.com/cesium/original/3X/6/0/60f12c70dc86d6112c32dddb3e27259645360968.png)