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Drawing user defined annotation on heatmap (3d) chart

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Hi, I’m looking for some pointers on how to implement the following:

  • User draws a selection on the chart (similar to rubber band modifier)
  • Annotation is drawn on the chart conforming to the users selection
  • Annotation is fixed relative to the data point (e.g. will scroll is the chart is panned etc)

Many thanks

Version
1.4.1575
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Hi Henrique,
In order to draw a selection on a Heatmap chart and select data points you need to create a custom chart modifier.
Here you can find a Heatmap chart selection modifier example it selects datapoints and outputs min and max indexes into the browser console.

Moreover we have another custom modifier example for LineRenderableSeries.

Best regards,
Michael

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