I want to replace the road assets from Google Photorealistic 3D Tiles with my own assets. I tried adding a Polygon Raster Overlay according to the documentation , but this causes Unity to always force close without any error message and consumes a huge amount of RAM. This also happens after building …

Hi @t_dae , welcome to the community! Can you tell us more about your polygons and how you’re using them to populate a CesiumPolygonRasterOverlay? In particular, are there a very large number of polygons, or are they very complicated?

Hello, thank you for your response. I’m trying to replace the Google Photorealistic road assets with my own so the roads appear clean without extra objects. This works fine with Bing Maps Aerial, but with Google Photorealistic (both in Unity Editor and the built .exe), Unity closes after a few seco…

Google Photorealistic 3D Tiles and Polygon Raster Overlay

Cesium for Unity

janine August 25, 2025, 3:23pm 3

Sorry I don’t have a solution, but I wonder if this is related to Google Photorealistic 3D Tiles Cause Crashing with CesiumPolygonRasterOverlay polygons populated ?

Topic		Replies	Views
CesiumPolygonRasterOverlay crash in native code after Remove + tile refinement (Google Photorealistic 3D Tiles, Unity) Cesium for Unity	0	37	April 3, 2026
Cine camera render not showing Google 3D tiles when using polygon overlay Cesium for Unreal	1	43	November 12, 2025
Google Photorealistic 3D Tiles Cause Crashing with CesiumPolygonRasterOverlay polygons populated Cesium for Unreal	8	341	October 15, 2025
Crash when Raster Overlay Polygon exists and associated tile unloads during view update (updateView) Cesium for Unreal	2	106	June 1, 2025
CesiumPolygonRasterOverlay only works when close to 3DTiles Cesium for Unreal	6	316	May 26, 2023

Google Photorealistic 3D Tiles and Polygon Raster Overlay

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