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VisualizaçõesHow to get xyz values at mouse position without showing the ResultTable popup in lightning chart js
When moving the mouse over a heatmap in a ChartXY, you can get the xyz values of the mouse position by setting up the AutoCursor and displaying the ResultTable. But how can you get those values as an event for instance or at least by calling a method in the chart component?
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Santiago Gelvez
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You can solve the nearest heatmap data point relative to a location on screen using series.solveNearestFromScreen method.
Please refer to this example for usage reference. While it is using a LineSeries, this methods usage is almost identical for heatmaps.
Something that is unfortunately missing from the documentation (as well as typings) is the property for the data point intensity in case of heatmaps. This you can access via location.cellValue property.
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Santiago Gelvez
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