Enabling terrain causes abnormal display of symbol type layers, especially when the 'examination' parameter is particularly large
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- Dominant language
- TypeScript
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Description
### mapbox-gl-js version
v3.15.0
### Browser and version
Microsoft Edge 140.0.3485.81
### Expected behavior
The expected situation is to keep the text layer at the top level
### Actual behavior
Enabling terrain will overwrite the text layer
### Link to the demonstration
_No response_
### Steps to trigger the unexpected behavior
This is the obscured text layer
Enabling terrain will cause occlusion
### Relevant log output
```shell
```
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the issue in mapbox-gl-js v3.15.0 with terrain enabled and a large “examination” parameter, using the supplied screenshot as the expected visual reference. Trace the symbol/text layer rendering path to determine why terrain occludes the text layer; done means the text layer remains at the top level when terrain is enabled.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- computer-graphics, frontend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 32/100