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Changing PIE Chart Legend Color


vivekmehtani
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  • 4 months later...

 There is a difference between the legend box shown in a Pie chart and in a Bar chart (for instance). In a Bar chart (and most other types of charts) each item in the legend box represents a Series, while in a Pie chart each item represents a Point. To change the color of a slice in a Pie and have your change be reflected in the legend box, try the following sample.

 

ChartServer chart1 = new ChartServer(pageContext,request,response);chart1.getData().setSeries(1);chart1.getData().setPoints(4);java.util.Random r = new java.util.Random(1);for (int i = 0; i < chart1.getData().getPoints(); i++){   for (int j = 0; j < chart1.getData().getSeries(); j++)   {     chart1.getData().set(j, i,r.nextDouble()* 80);   }}chart1.setGallery(Gallery.PIE);chart1.getPoints().get(0).setColor(java.awt.Color.LIGHT_GRAY);chart1.renderControl();

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  • 4 months later...

 chart1.Data.Series = 1;chart1.Data.Points = 4;Random r = new Random();for (int i = 0; i < chart1.Data.Points; i++){   for (int j = 0; j < chart1.Data.Series; j++)   {   chart1.Data[j, i] = r.Next() * 80;   }}chart1.Gallery = Gallery.Pie;chart1.Points[0].Color = Color.LightGray;

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