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Goal: I would like to add vertical annotations on charts in Retool on specific dates (using Retool's chart component). Is there a way to do this?
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Steps: I didn't see this in the docs, so wanted to check here to see if I'm missing something and if this is possible.
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Details: My base query has all bookings and dates. I use a toggle to pick the date grouping -- to let my end user toggle between week/month/year (formulas in screenshot below).
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Here's an example of what I mean from a Google Trends graph -- where you can see the vertical line at a certain date, and see the note when you hover over it. I'm looking to do something like that, where the source data is a list of dates and annotations.
There is no out-of-the-box way to do this, but it's possible to add a new series to your chart that is bar chart, with a single data point on the X axis corresponding to which date you would like to highlight, and a height of your max data point. You can wire up that X value to be anything; in the gif I linked I wired up the X value to be my range slider value (and also added a single scatter plot to show a dot with a label).