matplotlib / matplotlib/mpl-altair
Distinguish between mark_point, mark_circle, and mark_square
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- Dominant language
- Python
- Stars
- 18
- Forks
- 7
- PR merge metrics
- No merged PRs in 30d
Description
mpl-altair does not distinguish between `mark_point()`, `mark_circle()`, and `mark_square()`. All three marks produce a scatter plot.
**Implementation Notes**
- Marks should be handled in _marks.py
- `mark_point()` should draw open circles by default
- `mark_circle()` should draw closed circles by default
- `mark_square()` should draw squares by default
**For more information**
- Altair [user_guide](https://altair-viz.github.io/user_guide/marks.html)
Contributor guide
No contributing guide indexed for this repository
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 in _marks.py and consult the linked Altair user guide for the intended mark behavior. Check how mark_point(), mark_circle(), and mark_square() currently produce scatter plots. Done means point marks default to open circles, circle marks to closed circles, and square marks to squares.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 45/100