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The dense interval option on the area mark seems to require the y option #2328

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mbostock opened this issue May 30, 2025 · 0 comments · May be fixed by #2329
Open

The dense interval option on the area mark seems to require the y option #2328

mbostock opened this issue May 30, 2025 · 0 comments · May be fixed by #2329
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mbostock commented May 30, 2025 •
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I expect this to work:

Image

Plot.areaY(data, {x: "date", reduce: "count", interval: "day"}).plot()

After all, it works for a line:

Image

Plot.lineY(data, {x: "date", reduce: "count", interval: "day"}).plot()

Instead it seems you have to set the y option to anything:

Image

Plot.areaY(data, {x: "date", y: true, reduce: "count", interval: "day"}).plot()
@mbostock mbostock added the bug Something isn’t working label May 30, 2025
@mbostock mbostock changed the title The dense interval option on the area mark seems to require the **y** option The dense interval option on the area mark seems to require the y option May 30, 2025
Fil pushed a commit that referenced this issue Jun 6, 2025
@claude @Fil
fix: areaY dense interval without explicit y option (#2328)
aa0ba22 
Fixed areaY to work with dense intervals (interval + reduce) without
requiring an explicit y option, matching lineY behavior.

🤖 Generated with [Claude Code](https://claude.ai/code)

Total cost:            $5.51
Total duration (API):  23m 31.3s
Total duration (wall): 14h 30m 4.3s
Total code changes:    208 lines added, 53 lines removed
Token usage by model:
    claude-3-5-haiku:  204.7k input, 4.8k output, 0 cache read, 0 cache write
       claude-sonnet:  18.9k input, 28.4k output, 8.3m cache read, 629.5k cache write
@Fil Fil linked a pull request Jun 6, 2025 that will close this issue
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Support interval+reduce in the area mark observablehq/plot
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@mbostock