Double Click Event Returns X & Y position of click?

[pipedreams]

Oh,

It looks like this might be the solution I am looking for:

How to make 'shape' track mouse motion?

I have a requirement to provide a selection mechanism in one chart that will prompt a change in the data displayed in a related chart. The first chart is a smoothed x-y plot, let’s say covering an x range of 0 to 20, displayed in an element 800px wide. I have added an array of two rectangular shapes to the layout object of that chart. One of those should track the mouse motion, but snapping to integer values (i.e. when the mouse is at 4.87, the highlight will cover the interval from 4 to 5). A s…