Chart: [Android] Donut/PieSeries SelectedPointOffset not working properly

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Unplanned

Last Updated: 18 Oct 2023 14:26 by ADMIN

Rafael

Created on: 17 Oct 2023 14:24

Category: Chart

Type: Bug Report

Chart: [Android] Donut/PieSeries SelectedPointOffset not working properly

I have the following chart

      <telerik:RadPieChart Grid.Row="1">
        <telerik:RadPieChart.Series>
          <telerik:DonutSeries ItemsSource="{Binding CurrencyAllocation}" x:Name="CurrSeries"
                               LabelBinding="Item1"
                               ValueBinding="Item2"
                               ShowLabels="True"
                               AllowSelect="True"
                               SelectedPointOffset="0.1"/>
        </telerik:RadPieChart.Series>
        <telerik:RadPieChart.ChartBehaviors>
          <telerik:ChartSelectionBehavior DataPointSelectionMode="Single"
                                          SeriesSelectionMode="None"
                                          SelectionChanged="Chart_SelectionChanged" />
        </telerik:RadPieChart.ChartBehaviors>
      </telerik:RadPieChart>

As soon as I set the SelectedDataPointOffset to a lowish value, no matter whether it's 0.5, 0.1, 0.01, 0.001 or even 0.0000001, the offset when selecting the data point is always the same and it's so large that it's unusable, as you can see in the following screenshot.

As an additional issue, if i set the offset to 0.9, i get an exception

'RelativeOffsetFromCenter is not valid! The possible values are in the [0, 1] interval.'

as soon as I select a segment. 0.9 obviously is in the [0, 1] interval.

1 comment

ADMIN

Didi

Posted on: 18 Oct 2023 14:26

Hello Rafael,

Thank you for the provided details.

I confirm this is an issue in the Pie/Donut series. I have changed the status of the item to Unplanned.

For now, I cannot suggest a workaround for this behavior.

Regards,
Didi
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