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Adding label to ExtJs Pie Chart other than legend


I do run into a problem where i have to show label on pie chart other than captions on legend. Some what like below

My Team lead researched and found a way to do so

label: {
field: ‘name’,
display: ‘rotate’,
contrast: true,
renderer: function (label)
{
// this will change the text displayed on the pie
var cmp = Ext.getCmp(‘chartCmpRedemption’); // id of the chart
var index = cmp.store.findExact(‘name’, label); // the field containing the current label
var data = cmp.store.getAt(index).data;
return data.data1; // the field containing the label to display on the chart
}
}

 

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