# Creating Ellipse entity

**URL:** <https://community.cesium.com/t/creating-ellipse-entity/5091>\
**Category:** CesiumJS\
**Created:** [January 31, 2017, 7:00am UTC](https://community.cesium.com/t/creating-ellipse-entity/5091 "2017-01-31T07:00:46Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![eladcool0](https://avatars.discourse-cdn.com/v4/letter/e/8dc957/32.png) [@eladcool0](https://community.cesium.com/u/eladcool0)\
**Post date:** [January 31, 2017, 7:00am UTC](https://community.cesium.com/t/creating-ellipse-entity/5091/1 "2017-01-31T07:00:46Z")

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I try to create an ellipse entity , when i create the entity object i use the ellipse property which construct a new Cesium.EllipseGraphic which takes semiMajoraxis and semiMinoraxis and center point as options . now i dont understand what are the unit of measure used there meters / miles ?

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**Author:** ![hannah](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/hannah/32/4509_2.png) [@hannah](https://community.cesium.com/u/hannah)\
**Post date:** [January 31, 2017, 2:08pm UTC](https://community.cesium.com/t/creating-ellipse-entity/5091/2 "2017-01-31T14:08:32Z")

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All distance measurements in Cesium use meters

-Hannah