locationtech / locationtech/proj4j
Support for projjson format?
Open
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feature
- Dominant language
- Java
- Stars
- 232
- Forks
- 86
- PR merge metrics
- No merged PRs in 30d
Description
Projjson format has been adopted into Parquet and Iceberg standard. Is there a way to support it via proj4j? I think this is the command used in pyproj for it: https://pyproj4.github.io/pyproj/stable/api/crs/coordinate_system.html#pyproj.crs.CoordinateSystem.to_json
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 proj4j's existing CRS input and output APIs, then compare their capabilities with the referenced pyproj CoordinateSystem.to_json behavior. Done means defining and implementing projjson support in proj4j with coverage for the supported format's expected cases.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- backend
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100