Introduction

Use this script to customize the data labels and markers in line charts. You can use this to simply improve the aesthetics of the line chart or even tweak it to conditionally color the markers.

Edit the Widget Choose the Edit Script option from the options menu. Copy Paste the following script

Note: You can modify the variable values in the script to set marker and label properties.

widget.on('processresult', function(e, args) {
 
 var markerRadius = 18;
 var markerColor = '#FF0000';
 var markerHoverColor = '#C0C0C0';
 var labelSize = '9px';
 var labelColor = '#FFFFFF';
 var lineStyle = 'shortdash';
 var lineWidth = 2;
 
 var chartS = args.result.series;
 
 for(var s = 0; s < chartS.length; s++ ) {
 var dd;
 
 chartS[s].dashStyle = lineStyle;
 chartS[s].lineWidth = lineWidth;
 
 chartS[s].marker = {
 symbol: 'circle'
 }
 
 
 for(var d = 0; d < chartS[s].data.length; d++) {
 dd = chartS[s].data[d];
 
 var dataLabelsTemplate = {
 enabled : true,
 y : (markerRadius /2),
 style: {
 color: labelColor,
 textOutline: 'none',
 fontSize : labelSize, 
 fontWeight : "bold"
 }
 };
 
 dd.dataLabels = dataLabelsTemplate;
 
 dd.marker.radius = markerRadius;
 dd.marker.enabled = true;
 dd.marker.fillColor = chartS[s].color;
 dd.marker.states.hover.fillColor = chartS[s].color;
 dd.marker.states.hover.radius = markerRadius;
 dd.marker.states.hover.enabled = true; 
 
 }
 }
 

});