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Thank you for your support.

This time, I’d like to know
– how to get the position data on cursor in the heatmap.
– how to draw or remove the horizontal and vertical line on cursor point in the heatmap.

Thank you.

Version
5.4
Images
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Hi Yutaka,

Thanks for your inquiry.

You can use our Hit-Test API to get the data value at a certain point. Please take a look at the corresponding documentation:
https://www.scichart.com/documentation/v5.x/webframe.html#RenderableSeries%20Hit-Test%20API.html

And “Hit-Test API” example:
https://www.scichart.com/example/wpf-chart-example-hit-test-api/

You can also use VerticalLineAnnotation and HorizontalLineAnnotation to draw vertical and horizontal lines on the SciChartSurface. Please take a look:
https://www.scichart.com/documentation/v5.x/webframe.html#The%20VerticalLineAnnotation%20Type.html
https://www.scichart.com/documentation/v5.x/webframe.html#The%20HorizontalLineAnnotation%20Type.html

Please let me know if this helps.

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