Axis labels for "bucket" or "bin" axes: custom function, esp for bucket range labels about plotly.js HOT 4 CLOSED

You can do this statically using ticktext

I don't want to include javascript in the plot definition - makes it either not portable, or a security risk.

What I'd prefer to do is make smarter hover text for histograms. So the axis labels (which may or may not correspond to bins) can stay as they are, unless you use ticktext, but the hover text will be smarter - perhaps even showing the actual range of data aggregated in the bin, which would provide more useful information than just what the precise edges of the bin are.

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thanks, will look into ticktext. in case it is helpful to know, in my experience documenting ranges for financial services transactions, being able to show the ranges in the form of "x.00 - y.99" (to however many zeros and nines the creator wants/needs) is the most useful, because it shows not only the exact range, but also conveys the rounding approach that was used (e.g. "first round to two decimal places, then put in the corresponding bin"). I'm not saying that is what this library should default to, but it would be great if it was able to support a way to achieve that. Maybe ticktext already does-- I will find out now...

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+1, this would be a great improvement for histograms. The axis labels can remain as they are, but the label on each bin should display the range, rather than a single value.

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Closing in favor of #2086

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