observablehq / observablehq/plot
ensure an axis has at least two ticks
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Description
In most conditions a continuous axis (temporal or quantitative) should always show at least 2 ticks, so we get an idea of its domain. I believe that this should even be a default.
What we want to avoid is this situation which sometimes happens with responsive charts, and is hard to control.
instead we want
And if there isn't enough space, it's better to have min and max, even if they are a bit crammed into each other, than just a non-informative 0.
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
Review the continuous temporal and quantitative axis tick-generation behavior described in this issue, including responsive charts. Done means the default produces at least two informative ticks, preferably min and max when space is tight, rather than a lone 0; verify both axis types and constrained layouts.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- d3
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100