Programatically select a 3D building

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martin....@googlemail.com

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Feb 19, 2020, 5:50:02 AM2/19/20
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On initialisation and loading of a layer which has 3D buildings I want to select one or more buildings programatically. 

Basically achieving the same result as single or double clicking a building 

Is this possible?

thanks for any help! 



Omar Shehata

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Feb 19, 2020, 10:58:45 AM2/19/20
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Do you have some ID for the building you want to highlight? If so, the easiest way would be to use the 3D Tiles styling language, to highlight the building:


If you want to do a post processing feature like here: https://sandcastle.cesium.com/index.html?src=3D%20Tiles%20Feature%20Picking.html

You would need some way to get access to the Cesium3DTileFeature, which would involve iterating over all the tiles in view as discussed here:


Let me know which approach works for you.

martin....@googlemail.com

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Feb 20, 2020, 2:22:13 AM2/20/20
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Hi 

thank you for useful links I think it might help solve my requirement. However I have no reference to a Tileset as I am using the 3dCityDB code to initialise a CitydbKmlLayer.

I can't find a way to get the tilesets.  Do you know how to to get a reference to them?

thanks again.



On Wednesday, 19 February 2020 22:58:45 UTC+7, Omar Shehata wrote:
Do you have some ID for the building you want to highlight? If so, the easiest way would be to use the 3D Tiles styling language, to highlight the building:


If you want to do a post processing feature like here: https://sandcastle.cesium.com/index.html?src=3D%20Tiles%20Feature%20Picking.html

You would need some way to get access to the Cesium3DTileFeature, which would involve iterating over all the tiles in view as discussed here:


Let me know which approach works for you.

Omar Shehata

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Feb 20, 2020, 12:43:16 PM2/20/20
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Have you tried uploading your CityGML buildings to Cesium ion (https://cesium.com/ion/) ? That will create a 3D Tileset of buildings. 
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