Timeline plot, is it possible to highlight bar on hover

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Hi @Peilin I don’t think there is a way to do so in plotly, if you are open to use dash, there might be an solution.

Maybe helpful:

Select whole column(bar) in stacked bar chart

Hi @Hikari, actually what you are asking for should be an easy task. Because of that, my solution feels wrong: can it really be that complicated to achieve what you want to do? Anyways, a complicated solution might be preferable over no sloution at all, so here it comes: I use the click event to get the information, which column has been clicked (clicked_point) and use this information for “selecting” all traces at the clicked point. The code: from dash import Dash, html, dcc, Input, Output,…