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Hey guys,

i’m evaluating some wpf chart frameworks for our company.

Our goal is to get a heatmap with a custom image as background (e.g. a sports ground). Is there any possibility to achive this goal with scichart?

thx
Daniel

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Hi there,

Interesting requirement you have there! Yes I think you can do this. Try using a Custom Annotation. The Create Annotations Dynamically example shows how to insert an image inside a CustomAnnotation type.

  • You will need to set CoordinateMode = CoordinateMode.Relative, AnnotationCanvas = AnnotationCanvas.BelowChart and X1, Y1 = 0.
  • You will also need to listen to SizeChanged events of the parent SciChartSurface and resize the CustomAnnotation (width, height) to fit.
  • Ensure your CustomAnnotation.Width matches the SciChartSurface.ModifierSurface.Width and CustomAnnotation.Height matches the SciChartSurface.ModifierSurface.Height.

Thanks!

Andrew

  • schulz.d
    Thanks for your fast reply. I will have a try and let you know how it works.
  • schulz.d
    Hey Andrew,thanks for the help. the suggested way works well and is easy to implement.I still have another question on the topic. Is there any way to get the zero values in the heatmap as transparent cells.Thx
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