Offscreen Markers clustering on map horizon when tilted
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- Dominant language
- TypeScript
- Stars
- 12.4k
- Forks
- 2.4k
- PR merge metrics
- No merged PRs in 30d
Description
When I zoom into my 3D elevated map so that some markers are offscreen, those that should simply be no longer visible are instead jumping and clustering to a single position on the edge of the map, most notably when tilting the viewpoint to see the horizon.
Might this be a known bug with any solution?

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 with an elevated 3D map, offscreen markers, zooming, and a tilted viewpoint. Trace the marker positioning and clustering behavior for markers beyond the visible horizon; done means offscreen markers are hidden instead of jumping to or clustering at the map edge.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, typescript
- Domain
- computer-graphics, frontend, web-dev
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 32/100