Better API for Gall-Peters and other cylindrical equal-area projections
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api :memo:
feature :green_apple:
- Dominant language
- TypeScript
- Stars
- 12.4k
- Forks
- 2.4k
- PR merge metrics
- No merged PRs in 30d
Description
Currently there are only 2 rectangular projections: Mercator and Equirectangular. Gall-Peters is pretty popular for showing countries at true scale.
I'm not particular knowledgeable on projections, but it was the one I expected to be able to use, and was a bit surprised to find it wasn't implemented.
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 reviewing the existing Mercator and Equirectangular projection APIs and how rectangular projections are exposed in mapbox-gl-js. Define the API scope for Gall-Peters and other cylindrical equal-area projections, then verify that the requested projections can be used to render maps at true scale.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- computer-graphics, frontend
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100