CesiumGS / CesiumGS/cesium

MVT loading in CesiumJS bug

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#13,696 1 comment 0 reactions 0 assignees View on GitHub
category - vector data type - bug
Dominant language
JavaScript
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Description

### What happened?

Image
"https://demotiles.maplibre.org/tiles/{z}/{x}/{y}.pbf"
"https://vector.openstreetmap.org/shortbread_v1/{z}/{x}/{y}.mvt",

These specific test cases looks wrong in cesiumJS

### Reproduction steps

1. [sandcastle](https://sandcastle.cesium.com/#c=bVFdSysxEP0rIT64lWVSUUHqtgj6qCjo9UHyku7O2sF8LEm6tZb975dku6DgS5I5c87MyQyZzvnIzpgK7A4DbQ1rvTNM8jpHkt9IK23tbIisJ9yhZ0tmcXdkw1vGiol/52xUZNFLPvuh7LzrqclatVMUJ/Xj2+u9iur5mIbU+5/XhbSMSb6JsQsLIRo0LpLGAEZ1mtYewfkPkSFx+B7E4WsQh/0A3bqVvEziQzoYM2TfnTMLNi+PgPoagasMDKW0o8/xbxBqtAidJ0ORegygmqaY3I/MKYLcHyOEuNf4eyrjdXH/ShpfUrrIhmqnnV+k4aZHcXoyV9eXbXtasjlczbL1YXbDS17lmqukuaVxRVuvCwAR0XRaRQxiva0/MUIdQvJViUlSNdQzapZ/rITVWoWwlLzdav1C3yj5qhIN9b9k2qmG7MdTj16rfaJszlcPIwgAldic/6GKzum18j8q/gc)
2.
3.
...

### Sandcastle example
[sandcastle](https://sandcastle.cesium.com/#c=bVFdSysxEP0rIT64lWVSUUHqtgj6qCjo9UHyku7O2sF8LEm6tZb975dku6DgS5I5c87MyQyZzvnIzpgK7A4DbQ1rvTNM8jpHkt9IK23tbIisJ9yhZ0tmcXdkw1vGiol/52xUZNFLPvuh7LzrqclatVMUJ/Xj2+u9iur5mIbU+5/XhbSMSb6JsQsLIRo0LpLGAEZ1mtYewfkPkSFx+B7E4WsQh/0A3bqVvEziQzoYM2TfnTMLNi+PgPoagasMDKW0o8/xbxBqtAidJ0ORegygmqaY3I/MKYLcHyOEuNf4eyrjdXH/ShpfUrrIhmqnnV+k4aZHcXoyV9eXbXtasjlczbL1YXbDS17lmqukuaVxRVuvCwAR0XRaRQxiva0/MUIdQvJViUlSNdQzapZ/rITVWoWwlLzdav1C3yj5qhIN9b9k2qmG7MdTj16rfaJszlcPIwgAldic/6GKzum18j8q/gc)
_No response_

### Environment

Browser:
CesiumJS Version: 1.144
Operating System:

### AI acknowledgment

- [ ] I used AI to generate this issue report.
- [ ] (If the above is checked) I have reviewed the AI-generated content before submitting.

Contributor guide

Open the contributing guide

Research direction

Start with the linked Sandcastle example and reproduce the rendering for the MapLibre PBF and OpenStreetMap MVT URLs in CesiumJS 1.144. Compare the displayed results with the expected vector-tile content; done means both specific test cases load and render correctly.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
frontend, web-dev
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

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