observablehq / observablehq/plot
stackR transform?
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Description
I could see a stackR transform which takes an r (radius) channel in and produces r1 and r2 output channels, which you would use in conjunction with an annulus type mark. Maybe the dot mark should allow r1 and r2 input channels and have similar behavior to barY’s y, y1, and y2 channels. The sqrt transform should ensure that the rings have area proportional to value.
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
No file, test, or entry point is identified in the issue. Start by locating the transform and annulus, dot, barY, and sqrt implementations, then clarify which proposed radial-channel behavior is wanted. Done requires an agreed API and tests for the resulting ring areas and channel behavior.
Written by the indexing model from the issue text.
Assessment
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100