Map may flicker when crossing anti-meridians with Albers projection
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bug :lady_beetle:
- Dominant language
- TypeScript
- Stars
- 12.4k
- Forks
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Description
mapbox-gl-js version: 2.6.0-beta.2
browser:Any
Steps to Trigger Behavior
- Use
http://localhost:9966/debug/projections.html - Set the albers projections with parallels to 90/90
handleWrapJumpmay need to be updated to support this case
Behavior
https://user-images.githubusercontent.com/7061573/140564693-cf4bc142-edaf-4fde-bdf1-34ad785d91a1.mov
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 with debug/projections.html and reproduce the flicker using the Albers projection with parallels set to 90/90. Read the wrap-jump handling, including handleWrapJump, to trace behavior when crossing the anti-meridian. Done means the map no longer flickers in this case and the relevant projection behavior is covered by an appropriate check.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- computer-graphics, frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100