Hi Dear Community,
I need a Line of Sight analysis tool like in ArcGIS Earth. Is it available in CesiumJS or Cesium ion?
Thank you!
not available.
you should make your own code.
Welcome to the community! 
While this functionality is not part of our CesiumJS API, a line of sight analysis tool is included with Cesium ion SDK. For more information on Cesium ion SDK, please check out the following website.
Here is a screenshot of our line of sight implementation taken from one of our common operating picture demos.
You can also check out our Cesium ion SDK API for more technical details.
https://cesium.com/learn/ion-sdk/ref-doc/
Please let me know if you have any other questions! I am happy to provide more information on Cesium ion SDK.
-Sam
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Hi, where can I find a code example for using this feature in cesium-ion?
Have you find an example ?