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How to add HorizontalLineAnnotation to polar graph

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It is unable to add a horizontal line to the polar graph, but I need to make a circle, which in essence will be a horizontal line, is it possible to add it somehow or draw this circle in some other way.
The picture shows how it should look (here the circle was made with FastLineRenderableSeries)

Version
8.6.0
Images
  • Lex
    • Lex
    • 5 months ago
    Hi Alex, Thanks for your inquiry. Polar Chart requires specific approaches for some SciChart elements. I’ll discuss your question with our team and will get back to you as soon as I have an update. Kind regards, Lex, SciChart Technical Support Engineer
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Hi Alex,

Hope you are doing well.
We discussed your inquiry.

For the current SciChart implementation using your approach would be the best.
Using RenderableSeries API you have ultimate flexibility of drawing.

The only possibility with Annotations is creating either a new Annotation type (which is quite laborious), or using CustomAnnotation with a WPF Ellipse. But it will be totally disconnected from the chart, having its radius and placement in screen coordinates, etc.

Kind regards,
Lex,
SciChart Technical Support Engineer

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