RadCartesianChart ScatterPointseries: Tooltip only showing in XamlRenderOptions mode

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ToolTip
David
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David asked on 13 Dec 2021, 10:07 AM

Hi, trying to speed up the points-plot (around 1000-5000 points)

I can so far conclude that we can only get a tooltip for XamlRenderOptions DefaultVisualsRenderMode="Separate" otw, no tooltip is visible.

I have tried a few options (see below)  - but maybe the behavior changes once I change the render mode ?

 

- XamlRenderOptions DefaultVisualsRenderMode="Batch"  -> no tooltip
- (geometrytype not supported by scatterpointseries)
- BitmapRenderOptions -> no tooltip
- Direct2DRenderOptions -> not tooltip

David
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commented on 13 Dec 2021, 10:38 AM

Btw, the tooltip template is something like:

            <telerik:RadCartesianChart.TooltipTemplate>
                <DataTemplate>
...

                </DataTemplate>
            </telerik:RadCartesianChart.TooltipTemplate>

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Martin Ivanov
Telerik team
answered on 15 Dec 2021, 03:06 PM

Hello David,

Currently, the chart's tooltip behavior doesn't work with the lightweight render options (including the Separate render mode of the XamlRenderOptions). There is an item logged in the UI for WPF feedback portal to enable this. In the meantime, you can use a custom tooltip implementation. I've attached a project showing one way to do this. I hope that helps.

Regards,
Martin Ivanov
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Martin Ivanov
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