I would like to display an annotation above specific data points on my Highchart. Currently, the annotation appears at the location of the data, but it is not centered directly over the point. I want the annotation to be perfectly centered on the data point. Examples can be seen in the images and Plnkr linked below.
Current Annotation https://i.sstatic.net/ZfEtB.png
Desired Annotation https://i.sstatic.net/dZGN3.png
Typically, the starting point of the black line is centered around the value provided, in this instance "1547442017000". However, to ensure that the black line surpasses the yellow line, adjustments must be made. Simply pulling it back by an arbitrary number won't suffice due to screen size considerations.
To tackle this issue differently, we opt for a unique approach by increasing the stroke size indicated below. This adjustment allows the value to remain focused on '1547442017000' as we boost the thickness of the stroke.
Relevant code snippet:
annotations: [
{
shapes: [{
point: {
xAxis: 0,
yAxis: 0,
x: 1547442017000, y: 1
},
type: 'rect',
height: 355,
width: 0.01,
fill: 'rgba(0, 0, 0, 0.75)',
stroke: 'rgba(0, 0, 0, 0.75)',
strokeWidth: 20
}]
}]
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