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Pie chart fixed color based on value


rudi
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I need to fix the colors of a piechart. For example 1 is always green, 2 is always red etc. At the moment the colors of the first slice is always blue, no mather whether its value is 1 or 2.

I'm not sure to what would be the best way of achieving this. Do I need to modify the template where I can take the Styling Pie example in your installation as a sample? Is it better to use the Conditional attributes? Is there a third way that would be the best?

Could you please let me know what would be the best way of achieving this?

 

Thanks,

Rudi.

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Hi,

I'm afraid I'll need some more help with this. The value of 1 should be green and 3 red.

When I use only 1 condition that has From value of 1 and BindingPath set to Y the pies are always green, which seems to make sense. If I however add the second condition everythings gets the first color of the pallet (blue in my case). Could you help me find out what I do wrong?

The code I have is:

<ChartFX:Chart.ConditionalAttributes>

  <ChartFX:ConditionalAttributes Fill="Green">

  <ChartFX:ConditionalAttributes.Condition>

  <ChartFX:RangeCondition From="1" To="1" FromOpen="True" BindingPath="Y"/>

  </ChartFX:ConditionalAttributes.Condition>

  </ChartFX:ConditionalAttributes>

  <ChartFX:ConditionalAttributes Fill="Red">

  <ChartFX:ConditionalAttributes.Condition>

  <ChartFX:RangeCondition From="3" To="3" FromOpen="True" BindingPath="Y"/>

  </ChartFX:ConditionalAttributes.Condition>

  </ChartFX:ConditionalAttributes>

</ChartFX:Chart.ConditionalAttributes>

AnnotationView.txt

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To fix this issue please remove the FromOpen="True" from both RangeCondition elements. When FromOpen is true we do a greater than comparison, instead of a greather than or equal comparison.

The default for BindingPath is the value being plotted so you can remove BindingPath="Y" as well.

Regards,

JuanC

post-5571-13922409547184_thumb.jpg

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Works great. Thanks!

As a reference to others:

<ChartFX:Chart Gallery="Pie" ItemsSource="{Binding Source={StaticResource TaskViewSource}, Path=CurrentItem.RunStatistics}">

<ChartFX:Chart.DataTransforms>

<ChartFXData:CrosstabTransform RowPath="RunStatusCode" Sorted="False"/>

</ChartFX:Chart.DataTransforms>

<ChartFX:Chart.Titles>

<ChartFX:Title>Run Status</ChartFX:Title>

</ChartFX:Chart.Titles>

<ChartFX:Chart.ConditionalAttributes>

<ChartFX:ConditionalAttributes Fill="Green">

<ChartFX:ConditionalAttributes.Condition>

<ChartFX:RangeCondition From="1" To="1" BindingPath="RunStatusCode"/>

</ChartFX:ConditionalAttributes.Condition>

</ChartFX:ConditionalAttributes>

<ChartFX:ConditionalAttributes Fill="WhiteSmoke">

<ChartFX:ConditionalAttributes.Condition>

<ChartFX:RangeCondition From="2" To="2" BindingPath="RunStatusCode"/>

</ChartFX:ConditionalAttributes.Condition>

</ChartFX:ConditionalAttributes>

</ChartFX:Chart.ConditionalAttributes>

</ChartFX:Chart>
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