Hello Fellow devs I want to report some weird issues that I am having with Cesium for Unreal Version 2.13.3 I am getting these weird black spots when Cutting the geometry using a CesiumCartographicPolygon. The issue doesn’t exist on the Windows version of the project. [Captura de pantalla 2025-0…

Hi @Midgarq , welcome to the community! I am getting these weird black spots when Cutting the geometry using a CesiumCartographicPolygon. The issue doesn’t exist on the Windows version of the project. I don’t think you have said what platform you’re running on for these screenshots. I’m guessing …

@Kevin_Ring Thanks for your reply! Blockquote I don’t think you have said what platform you’re running on for these screenshots. I’m guessing macOS? What sort of Mac is this? We’re aware of some rendering problems on Intel Macs, but generally the Apple Silicon ones seem to work well. Yes, I got …

Hello @Kevin_Ring I hope you are doing fine :slight_smile: After modifying the BuildConfigurator.xml with <?xml version="1.0" encoding="utf-8" ?> <Configuration xmlns="https://www.unrealengine.com/BuildConfiguration"> <BuildConfiguration> <bAllowUBAExecutor>false</bAllowUBAExecutor> <bAllowUB…

After modifying the BuildConfigurator.xml with The filename is BuildConfiguration.xml. If it’s in the right location and named correctly, you should see a message from UBT in the log saying that it’s using it, so look for that. My specs are: Apple M4 Max 36gb Ram MacOS 15.3.1 I have a near…

Sure! Thanks for your Reply! What I do to recreate this issue is: Open the project and do the basic config of Cesium (Connect, Generate token, etc…) Add Google Photorealistic 3D Tiles to scene and config the CesiumGeoreference coordinates and height. In this case I’m using 20,655084 -105,231998 f…

Hello @Kevin_Ring I did a clean install of Unreal and every plugin and finally could test the project on my iPhone 16 pro :smiley: But that comes with new issues because it seems that CesiumPolygonRasterOverlay is not working :frowning: and some tiles won’t load. Any clue on what could be causing…

Hi @Midgarq , There is the black textures when zoom is near the overlay area. After a zoom out the black spot/texture disappears. Thanks for the instructions! I can definitely confirm that clipping is broken on my MBP in UE 5.5, at least. It doesn’t look quite the same as yours, but I suspect it’…

Hello @Kevin_Ring If you get a chance, I think it’s worth opening up the CesiumSelectTexCoords material function within the plugin and changing the code in the Custom node in there to look like this: float2 texCoords1[4] = {TexCoord0, TexCoord1, TexCoord2, TexCoord3}; float2 texCoords2[4] = {TexC…

Thanks Jose! I’ve just opened a PR with this fix, so it should be in the next release (early April): Fix broken polygon clipping on macOS main ← macos-clipping-fix opened 03:26AM - 24 Mar 25 UTC (U…

Awesome @Kevin_Ring Thanks for your support and glad this thread could help to improve Cesium! Regards Jose

[Issue] Problems with Cesium and UE 5.5.3 on MacOS/iOS

Cesium for Unreal

Kevin_Ring March 27, 2025, 2:35am 13

I believe this is an Unreal Engine bug. I’ve reported it to Epic and it should be fixed in the next release. In the meantime, there’s a workaround here:

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[Issue] Problems with Cesium and UE 5.5.3 on MacOS/iOS

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