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Line chart: Highlighting part of the chart (not a series)


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I have a fairly standard line chart with 2 or 3 series of data, showing process data over a time domain.

What I wish to do is highlight a subsection of this data. For example, the event of interest is from 12:00 noon to 1:30pm, but for the sake of analysis, I am showing data from 10:00AM to 3:00PM. I want to draw a different color on the background of the chart from noon to 1:30, and leave the rest white.

After a review of the API, I found no good way to do this built-in, so I reserted to drawing a custom background image. My problem now is that I cannot get the area of the actual plot, which I need to accurately place the highlight.

Is there any way to do this with ChartFX 7?

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