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dhtmlxchart

## Labels

You may define labels for objects those a chart will represent. Line and Bar charts show labels above elements, pie charts – outside sectors.

Labels are defined by templates:

    var chart =  new dhtmlXChart({
                 …
    	label:"#sales#"
    })

Pie chart allows to define labels inside its sectors as well - pieInnerText property:

    var chart =  new dhtmlXChart({
    	…
            label:"#year#",
    	pieInnerText:function(obj){
    		var sum = chart.sum("#sales#");
    		return Math.round(obj.sales/sum*100) +"%"
    	}
    });