Used inside Plot Plot.ruleX(today, { stroke: "red" }) Today defined with new Date() - DOES NOT WORK today = [new Date()]; Today defined with new Date(2022,2,21) - WORKS today = [new Date(2022,2,21)]; Reference code: [image] Plot now

It resets because Plot.cell implies that both x and y are ordinal scales, so you’re back to where you started. :grimacing: (If you specify x: {type: "utc"} you’ll see an error when you try to use Plot.cell.) You want a Plot.barX, not a Plot.cell here, because x is continuous (representing a time i…

The issue is that you’re implicitly defining an ordinal (point) scale because you’ve specified a domain with more than two values. Since the domain doesn’t include the rule’s date (today), the plot is invalid. I suspect that you want to define the domain as domain: [start, end] instead so that you g…

Thanks a lot for the analysis. It means a lot coming from you. When I switch the domain to domain: [start, end], the scale shows only months Jan, Feb, Mar. What would be the right way to display every day always on x-axis?

@mbostock I tried this let start = new Date(2022, 0, 1); let end = new Date(2022, 2, 1); let rangeCount = d3.timeDay.count(start, end); Plot.plot({ ..... grid: true, x: { axis: "top", domain: [start, end], range: [0, rangeCount], …

[image] kadale: What would be the right way to display every day always on x-axis? Using the ticks option. Something like x: { axis: "top", domain: [start, end], ticks: d3.utcDay, tickSize: 0, tickFormat: formatDay …

[image] mbostock: Using the ticks option. Something like x: { axis: "top", domain: [start, end], ticks: d3.utcDay, tickSize: 0, tickFormat: formatDay }, It worked! But When I add data Plot.cell(data, { …

Plot.ruleX not accepting "new Date()"

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kadale February 23, 2022, 4:25am 8

Thanks again.
I learnt lot more about ordinal scales, utc, choosing right plot type. Highly valued feedback.

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Plot.ruleX not accepting "new Date()"

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