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[Bug] Tile3DLayer misalignment/offset issue #9789

@joedjc

Description

@joedjc

Description

I have a 3D tileset produced in Cesium ION. The tiles look correct when I view them in Cesium.

When I view them in Deck GL, I see certain geometry is offset causing gaps and misalignment.

I think the issue occurs when there are multiple GLB files in the tile. If I export a very small part I don't notice the offset.

Below are some screenshots comparing the same tiles in cesium and deck GL.

Image

Flavors

  • Script tag
  • React
  • Python/Jupyter notebook
  • MapboxOverlay
  • GoogleMapsOverlay
  • CARTO
  • ArcGIS

Expected Behavior

Model alignment should appear as it does in cesium

Steps to Reproduce

I have attached a sample dataset of some roads where the alignment issue occurs

v12_roads.zip

Environment

  • Framework version: 9.1.14
  • Browser: Chrome Version 140.0.7339.186
  • OS: MacOS 26

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